stainless steel bolt grades a2 a4

Below are some of the many bolt grades of stainless steel that we carry. 10 MM to 150 MM; DIN 6921. Stainless Steel Fasteners; quality; Technical specification; download; contact us; Bolts. There’s a number of exceptional types of stainless steel with A2 and A4 being the most popular. Values though 7/16-inch diameter are stated in inch-pounds: ½-inch and over are stated in foot-pounds. https://forums.ybw.com/index.php?threads/a2-vs-a4-stainless-bolts.434950 The strength of these materials is similar. This shows torque values in Nm for property classes 50, 70 and 80 as shown in the table below. Martensitic stainless steels .. A2/A4 Washers. 4: A2/A4 Washers. 18-8 Stainless Steel. The A4-70 Stainless Steel Bolt can be used with a balance of strength and corrosion resistance; they have higher strength than the A4 70 Bolt. Top class Stainless Steel Hex Bolt Manufacturers in India. China Stainless Steel A2 A4 Hex Cap Bolt, Find details about China Hex Cap Bolt, Hex Cap Screw from Stainless Steel A2 A4 Hex Cap Bolt - Fast Hardware Electronic Co., Limited. Bolts and Screws. Austenitic. A1, A2, A3, A4, or A5). Likewise A4 grade can be called type 316. We also specialise in the supply of high tensile fasteners in Grades 10.9 & 12.9. The a4 70 bolt is manufactured by cold forming 316 grade stainless steel. Stainless Steel Car These grades cannot be hardened by thermal treatment. Minimum breaking torque (M B ,min) for austenitic grade bolts and screws between M 1.6 and M 16 (coarse threads) are shown in Table 8 of BS EN ISO 3506-1:2020. The following torque values are suggested maximums based upon actual lab testing on clean and dry or near dry fasteners. Grade A2, or as commonly known as stainless steel 304 is highly valued for its economical cost and delivering a good performance. Likewise, grade A4, or as known as grade 316 is referred to as marine grade stainless steel. Due to its resistance to seawater and brine solutions, A4 screws work well in marine engineering applications. Standard. Form A Washers - A2 & A4 Grade; Repair Washers - A2 & A4 Grade; Square Section Washers-A2 & A4; Stainless A2/A4 Threaded Bar. Manufacturer, Supplier and Exporter of High Tensile Fasteners A4-70 Stainless Steel Hex Bolt Full Threaded in India DIN ES ISO 3506-1: 1997 specifies the mechanical properties of bolts, screws and nuts made of austenitic (amongst others) stainless steels, when tested over an ambient temperature range of 15 Degree C to 25 Degree C. Ferritic steels have much of the corrosion resistance of Austenitic and actually have extra resistances against things like Chlorine, but they are magnetic, whereas Austenitic are not. Stainless Steel Hexagon Head … There has heen three common styles of wedge anchors: fully threaded, partial threaded and the full-bodied wedge anchor. The “70” denotes the minimum tensile strength to be met by the material (actually the bolt, screw or nut after manufacture). The ideal use of A4-70 Nut is in the chemical industry. To all intents and purposes, when we see type A2 stainless steel, we can also call it Type 304. Our company was established in 1982 and possess an experience of more than the three decades in this field. This paper presents experimental results of residual material properties of stainless steel bolts (austenitic grades A2-70 and A4-70) after exposure to elevated temperatures. Wedge anchor consist of a stainless steel expansion clip, threaded stud body, nut and more GRADE: 307A, A2-304,A4-316. 1. buy Stainless Steel Heavy Hex Bolts, Stainless Steel Hex Head Bolts online.Check price of SS 304 Hex Bolts, 316 SS Hex Bolts in mumbai. The steel within the fixing must contain at least 10.5% chromium to be considered or called stainless, and this chromium makes the metal more corrosion resistant and less likely to stain than other steels. Types 301, 303, 309 and 312 all offer very distinct properties, including temperature resistance, … – A4-80 has a μ of 1.015. Standard DIN 6921 (Without Serration) Grade. ... Grade A2 (304) and A4 (316) Metric Stainless Steel Fasteners to meet … A1 … A2-70; Size. Stainless Steel Flange Bolts, DIN 6921, M4-M24, Length 10mm-200mm, Stainless Steel A2/A4 grade from China Flange bolts manufacturer. We supply stainless steel grades like 316, 304 in all over Middle East. Types of Grade A4 / A2 Stainless Steel fasteners. 1 A2-70 stainless steel Eye Nuts. 2 A4-80 stainless steel Hex Nuts. 3 A2 stainless steel Heavy Hex Nuts. 4 IS 1367 grade a2-70 Lock Nuts. 5 A4 Stainless Steel Jam Nuts. 6 A2-80 stainless steel Square Nuts. 7 Stainless steel grade a2-80 Panel Nuts A4 Stainless Steel Bolts. A2 grade is also known as stainless steel 304. Stainless Steel A4 Vs A2 Strength. Stainless steel / INOX grade hex bolts in A2, A4 in DIN 931 / 933 in bigger diameters from M-20 to M-100 ; A2-70 or A4-80. Our A2 70 Hex Head Bolt is made up of the acid proof austenitic stainless steel. The M8 x 260mm Plain Hexagon Bolts (DIN 931) - A4 Stainless Steel has the following features: M8 (8mm) Thread Size (T) DIN 931 Manufacturing Standard 260mm Length (L) A4 Stainless … Co., Ltd. Head type: Round head, square head, Countersunk Head: … Stainless Steel Bolt - M12 - A4 - 316 Grade - DIN931. More commonly used is SS304 (A2), but that's not marine grade. A2 stainless steel fixings are made from an alloy containing a mixture of two or more metals. A2 A4 304 316 stainless steel M10 M12 M16 DIN605 Carriage Bolt: Steel type: Stainless steel 201, 202, 304, 316, 410, 420 ect. A2 Threaded Rod; … Stainless Steel Carriage Bolts , as per DIN 603 / ANSI/ASME B18.5 standard, size M5-M16 / 1/4″-1″ made of stainless steel A2/A4 grade from China Manufacturer. A2 Threaded Rod; A4 Threaded Rod; Stainless A2/A4 Hex Sets Din933. stainless steel nut bolt, Wholesale Various High Quality stainless steel nut bolt Products from Global Sodium Tripolyphosphate Suppliers and stainless steel nut bolt Factory,Importer,Exporter at Okchem.com. China Stainless Steel Anchor Bolt A2 A4 Stud Bolts Flange Bolt Standard Eye Bolt, Find details about China Nut, Bolt from Stainless Steel Anchor Bolt A2 A4 Stud Bolts Flange Bolt Standard Eye Bolt - Taizhou Risco Stainless Steel Products Co., Ltd. Whereas iso 7089 washer 300hv are well suited to be used in conjunction with grades A and В hexagon bolts and screws in property classes up to and including 10.9 and property class 10. The shear capacity of a bolt, P sb, should be taken as: ... Bolt grade (BS EN ISO 3506) Property class (BS EN ISO 3506) Shear strength p sb (N/mm 2) A1, A2 and A4: 50: 145: 70: 311: 80: 384: Shear and tension capacities of bolts in clearance holes. A2 grade has some legit … In this Standard, bolts, screws and studs are designated by a letter followed by three numbers, e.g. Therefore, A2-70 is an austenitic, acid proof stainless grade (usually 304 material – 304 or 304L) which has been cold worked to provide a minimum tensile strength of 700N/mm ² (MPa). H ome / P roducts / B olts. All austenitic stainless steel fasteners are normally non-magnetic in the annealed condition. From £362.32. Scope 1.1 This specification covers the chemical and mechanical requirements for stainless steel metric bolts, screws, and studs with nominal thread diameters M1.6 through … Minimum breaking torque (M b,min) for austenitic stainless steel bolts and screws between M 1.6 and M 16 (course threads) are shown in table 4 of EN ISO 3506-1:1997. Nominal Size. M5 to M10; Length. The class depicts the tensile … … Stainless Steel Grades. In fact, all of the stainless steel coming into the USA from china and other countries are magnetic in some form. To all intents and purposes, when we see type A2 stainless steel, we can also call it Type 304. Reasons for using stainless steel threaded fasteners are the same as those for selecting other stainless steel components - generally resistance to corrosive or high temperature environments. Non magnetic. Minimum Elongation at fracture mm. Associated grades ( Steel Number according to BS EN 10088 pt 1) = A1 (1.4305) , A2 (1.4301) ,A3 (1.4541) , A4 (1.4401) and A5 (1.4571). They are both non-magnetic. At The Bolt Company we also offer next day delivery on all ex stock items ordered before 6pm Monday – Thursday. Order) Customized wholesale quality a2 a4 70 80 stainless … Mechanical properties for property class 50 70 and 80 austenitic bolts and studs and … ASME B1.1, UNC & UNF, Class 2A (Fastenal will inspect and accept parts with a 1A no-go gauge) Finish. When we say A2-70 it generally means that the bolt / screw is from SS 304 grade and has an ultimate tensile strength as 70 kg or 700 n/mm2. There are multiple grades of stainless steel, quite a few of them. 18/8, 304, A2 and 410 are more magnetic than 316 or A4 … A2 and A4 are known as Austenitic grade of stainless steel with the A4 grade having a higher corrosion resistance than A2. A2-70 Hex Nut/Stainless Steel 304 Hexagon Nut/SS316 Nut/A4-80 Nut/ Hex Nut/Standard Nut US $0.005-0.03 / Piece 316 Stainless Steel Screw Cap Ss 304 Hex Nut M24 - A2 - 304 Grade - DIN931 Stainless Steel Bolt. A2. The “80” denotes the minimum tensile strength to be met by the material (actually the bolt, screw or nut after manufacture). M20 - A2 - 304 Grade - DIN931 Stainless Steel Bolt. The two most commonly produced grades of stainless steel are 304 (known as 'A2') and 316 (known as A4). … ... Steel Grades. This austenitic grade stainless steel has a minimum tensile strength requirement of around 700 Mpa, which is indicated by the number 70, as mentioned in the product name - grade a4-70 stainless steel bolts.The minimum tensile strength for this material is required to be in the form of an end … 305 Stainless Steel: (17%-19% Chrome, 8%-10% Nickel, .12% Maximum … Torque values calculated from formula … Stainless Steel Countersunk Bolts DIN Grades available. See here, for example: Click to follow link... See also here: Click to follow link... What you really want is marine grade, which is SS316, also called A4. Form A Washers - A2 & A4 Grade; Repair Washers - A2 & A4 Grade; Square Section Washers-A2 & A4; Stainless A2/A4 Threaded Bar. A2/A4 Washers. China Stainless Steel Anchor Bolt A2 A4 Stud Bolts Flange Bolt Standard Eye Bolt, Find details about China Nut, Bolt from Stainless Steel Anchor Bolt A2 A4 Stud Bolts Flange Bolt Standard … Thread Requirements. A2 and A4 bolts come in different metric classes. A2 Stainless Steel Fasteners. Machining and CNC for Customized connecting element: up to M100 / 4” Dia, up to 1500mm lg. A2 Stainless Steel fasteners are resistant to liquids and foodstuffs, as well as a variety of inorganic chemicals, making them ideal for use in a wide variety of applications. Both of these grades will offer excellent corrosion resistance, cleanability, and … Be careful of package labeling. What is A2 A4 Stainless Steel 304 316 U Shape Clamp Bent Nut and Hex Bolt Carriage Bolt Anchor Hook Bolt, nina5 manufacturers & suppliers on Video Channel of Made-in-China.com. Nuts. Material. Due to the non-corrosive nature of stainless steel, both types of fasteners are used for many applications, ranging from the automotive and marine industry to architecture and DIY home improvements. A2 and A4 bolts come in different metric classes. Steel; Alloy Steel; Stainless Steel; Brass; Bronze; Aluminum; Nylon; ... A2; A4; A307B; A394 Type 0; A394 Type 1; Grade E9; Not Graded; Finish Plain ... Bolts secure materials together by applying pressure that tightens the head of the bolt to the nut. Grade 316 stainless steel ( A4 ): chromium 18% + nickel 8% + … The designation A4-80 derives from "A” meaning the material is a cold worked austenitic stainless, divided into 5 grades (1-5) according to material characteristics (see Annex B of DIN ES ISO 3506-1: 1997 for full description of each grade). Equivalent to metric A2 Stainless Steel. A2/A4 Stainless Steel. Grade: A2,A4: Standard: DIN: Origin: China: High Light: nuts and bolts, Nylon Nuts, Lock Nuts: Stainless Steel A2 - 70 A4 - 80 Passivation Metric Thead Hex Nylon Inset Lock Nuts . Ideally, all the nuts, bolts and washers in my "stainless" box would be A4 (316), so I'd never have to give this a second thought. A full range of stainless steel variants in A2, A4 and A4-80 grades, with A4 and A4-80 ideal for marine usage. ... Grade of hex cap bolt: A2-70, A4-80, or Grade 4.8, Grade5.6, Grade6.8, Grade8.8, Grade10.9, Grade12.9. The two most commonly produced grades of stainless steel are 304 (known as 'A2') and 316 (known as A4). Haiyan Stainless Steel A2 A4 Threaded Studs Din939 Half Thread Double Ends Bolts Stud Bolt , Find Complete Details about Haiyan Stainless Steel A2 A4 Threaded Studs Din939 Half Thread … They fit with corresponding tapped holes and nuts to create bolted joints. A2 stainless steel is suitable for the vast majority of applications. 700 Stainless Class 70 A2-70 (304), A4 –70 (316) 800 Stainless Class 80 A4 –80 (316) 827 Class 8.8 (AS 1110) High Tensile or High Strength Steel—Structural AS 1252 SAE Grade 8 (AS 2465( … The torque values can only be achieved if nut (or tapped hole) has a proof load greater than or equal to the bolt's minimum ultimate tensile strength. Depending on application and environment, there are specific attributes that must be considered when selecting the correct component. High Quality Fasteners Manufactures A2 A4 70 80 Stainless Steel Din316 Wing Bolt Price: US $0.001-1 / Piece 1000 Pieces (Min. DIN 933. The … Size:from 1/4” to 1”, from 6mm to 24mm. Bolt size. Stainless Steel Hexagon Head Bolts , DIN 933/DIN 931 A2/A4 grade, size M3-M30, Length 10mm-200mm from China hex head bolts manufacturer, supplier. A4 bolts, on the other hand, are manufactured from … Shear and Tension Capacity of stainless steel bolts Introduction. A full range of stainless steel variants in A2, A4 and A4-80 grades, with A4 and A4-80 ideal for marine usage. From the popular Hexagon Head bolts and set screws to the more exotic and rarer types, there is sure to be a stainless bolt for most needs. High quality Fasteners DIN933 A2 A4 Stainless Steel 304 hex bolts factory from China, China's leading Fasteners DIN933 A2 A4 Stainless Steel 304 hex bolts product market, With strict quality control Hex Head Bolts factories, Producing high quality Hex Head Bolts products. From £207.06. Bolt Size. Cold Froging : M2-M24. 18-8 Stainless Steel, stainless steel ss 304/ SS316 A2/A4, SS201, SS303, SS304, SS316, SS316L, SS904L, A2-70; A4-70; A4-80. Grade 5 & 8 Non-Stainless Steel Fasteners – Steel, Silicon Bronze, Brass, A325, Zinc Plating, Hot Dip Galvanized, Aluminium, and Nylon. Product Description . British standards. A2/A4 Stainless Steel. the specification adapts to minimum tensile strength bolts and … Duplex FA (ferritic-austenitic similar to 1.4462 (2205) of EN 10088-1) is a likely future grade for inclusion in the standard. A2 and A4 Stainless Steel fasteners both come in three distinct classifications: 80 (high-strength), 70 (cold worked) and 50 (soft). However in practice the most common combinations are A2 70, A2 80, A4 80. Form A Washers - A2 & A4 Grade; Repair Washers - A2 & A4 Grade; Square Section Washers-A2 & A4; Stainless A2/A4 Threaded Bar. Imperial Stainless Steel Fasteners. ... Long Square Neck Carriage Bolt /Coach bolt Stainless steel A2 Nut Bolt Ningbo Oukailuo Hardware Co., Ltd. 8.8 Grade A2 A4 Stainless Steel Hex Socket Head Cap Screw Bolts: Europe, UAE, Malaysia, United Kingdom -UK: Black Oxide Dacromet Grade 8.8 Flange Bolts (DIN6921) Poland, Canada, Ellington -United States, UK: Stainless Steel 8.8 Grade Step Customized Head Bolts: Canada, Philippines, Singapore, Malaysia Stainless Steel Flange Bolts Size. Both A2 and A4 grades are classed as Austenitic stainless steel (sometimes called the 300 series). General Emergencies: See the Emergencies page: Your Scheme: Please Login to see scheme specific contacts: Client Meeting Hours: 6PM to 9PM weekdays: Your Strata Manager: See this page for contact details: Our ABN: 31 064 030 324 This applies to ‘grades’ A1, A2, A3, A4 and A5. Stainless Steel U-bolt Grade A2,A4 U Type Bolts With Nut And Washer Din3570 , Find Complete Details about Stainless Steel U-bolt Grade A2,A4 U Type Bolts With Nut And Washer … DIN 933 / ISO 4017 / IS 1364 (Part-1) ... Grade. Therefore, A4-80 is an austenitic, acid proof stainless grade (usually 316 material – 316 or 316L) which has been cold worked to provide a minimum tensile strength of 800N/mm ² (MPa). For example, what will happen if I use an A2 locking washer for an A4 bolt, in an external location? This means that they have high chemical resistance but cannot be hardened by heat … Stainless Steel A2-70 Hex Bolts Material. This shows torque values in Nm for properties classes 50, 70 and 80 as shown in the table below. The head marking 'A2' identifies 304 grad and 'A4' identifies 316 grade. A2 stainless steel is the most widely used grade of stainless steel in European fasteners. A2- and A4-grade stainless steel bolts, screws, studs and nuts. Minimum Tensile Strength N/mm². However testing the stainless chemically is the only sure way of knowing the grade. Roll Fast is an ISO certified stainless steel bolts & nuts manufacture company based in India. A2-70 , A4-70; Size. Haiyan Stainless Steel A2 A4 Threaded Studs Din939 Half Thread Double Ends Bolts Stud Bolt , Find Complete Details about Haiyan Stainless Steel A2 A4 Threaded Studs Din939 Half Thread Double Ends Bolts Stud Bolt,Din939,Threaded Studs,Stud Bolt from Bolts Supplier or Manufacturer-Haiyan Zhisheng Imp. A4 … ... DIN933 hex bolt A2 70 stainless steel 304 and 316; 8.8 Hex bolt plain in black oxided; DIN933 DIN931 Grade 10.9 12.9 hex bolt black oxide high tensile and strength; Thread Coeff Friction Preload (Kn) Property class Tightening Torque (Nm) Property class Min Breaking Torque; A1-50 A2-70 A4-80 A1-50 A2-70 A4-80 A1-50 A1-70 A2 stainless steel is … How do I guarantee that my … A2 stainless steel, also called standard grade stainless steel, typically consists of 8 to 13 percent nickel and 17 to 20 per cent chromium. M5 to M12; Length. 17-4 PH Stainless Steel: 18-8 Stainless Steel: 300 Series Stainless Steel: 302 Stainless Steel: 303 Stainless Steel: 304 Stainless Steel: 316L Stainless Steel: 316 Stainless Steel: 400 Series … Grade A2 (AISI 304) has excellent resistance to atmospheric corrosion, except in severe industrial and marine environments. A very wide variety of the products like A2-70 Hex Screws, 304 … However, after cold working, some magnetic properties may be evident. Material: carbon steel, alloy steel,stainless steel. The letter refers to the group of stainless steel: austenitic (A), martensitic (C) or ferritic (F). Suraj Metal Corporationis a leading producer of the ss 304 allen bolt and other material grades in larger quantities. Hot forging M24-M100, 1-1/2” Dia, up to 1100mm lg. The allen bolts are special that they have a grooved head that can be fitted with a special tool called the allen key. DIN 186 A – Tee-Head Bolts With Square Head; All your standard bolts fitted to the bike will be zinc plated, when bolts are zinc plated it case hardens them. ... Generally these are produced from grade 304 (A2), grade 316 (A4) or for less demanding applications, grade 303 (A 1 ). Stainless Steel (A2 & A4) and Brass. Per ASTM A380/A380M. A2 stainless steel is the standard stainless and can be cut with a hack-saw, A4 is marine grade stainless ( might be a good idea given the recent weather conditions) and is slightly harder. Stainless Steel Flange Bolts Standard: DIN 6921 … The flow chart then proceeds to stainless steel grade (i.e. Tensile and Proof Stress Of Metric Bolts and Screws. A4 Stainless is often referred to as 316 or 18/10 stainless. This applies to 'grades' A1, A2, A3, A4 and A5. But many items are only available in A2 (304) stainless, and I'm unsure how much this matters. The bolt type and metric class is usually marked on top of the bolt head, for instance “A2-70.”. This grade has some magnificent properties and characteristics which are genuinely different from other grades. ): A2-70 (40316) A4-70 (40326) A4-80 (40322) Ordering example : A4-70 stainless steel M8 x 20mm fully threaded hexagon head bolt (item no. Stainless steel is ‘ordinary’ (carbon) steel to which various other things, particularly chromium, have been added to make it ‘stainless’. Grades of stainless steel A2, A4 in relation to fasteners. Part 1 covers bolts, screws and studs; Part 2 covers nuts; Part 3 covers set-screws; and Part 4 covers self-tapping screws. Available in A2 50, A2 50L, A2 70, A2 70L, A2 80, A2 80L, A4 50, A4 50L, A4 70, A4 70L, A4 80, and A4 80L grades. For example stainless steel offers good corrosion resistance making it suitable for outdoor applications. Cold working (normally drawing) produces enhanced levels of tensile strength. As in A2 above, the numbers 18/10 refer to the chromium and nickel content- 18% chromium and 10% nickel. A2/A4 Stainless Steel. 2022 Latest Stainless Steel Half Thread Din 931 Ss 304 A2 A4 316 Hexagon Bolt , Find Complete Details about 2022 Latest Stainless Steel Half Thread Din 931 Ss 304 A2 A4 316 Hexagon Bolt,Hexagon Fit Bolts,Stainless Steel Bolt 17mm,A2 A4 T Bolt from Bolts Supplier or Manufacturer-Jiaxing Goshen Hardware Co., Ltd. Great Steel & Metals produces all material grades, shapes and sizes of these products. For other friction conditions, significant modifications may be required. Mechanical properties for property class 50 70 and 80 austenitic bolts and studs and property class 20H 25H 30H and 40H tapping screws are tabulated and the fastener designations, such as A2-70 and A4-25H described. Also included in this article is a comparison chart between different international standards available for both grades. From the popular Hexagon Head bolts and set screws to the more exotic and … A2 Threaded Rod; … It is made up of either 304 or 304L raw material. Minimum Proof Stress N/mm². JAM BUILDING PRODUCTS Hexagon Head Bolt 1-6 Stainless Steel Material Standard: ISO 3506 Part 1:1997 Specification: DIN 933 (fully threaded) Material (Item No. High quality Polished Din 933 Hex Bolts A2 A4 Stainless Steel Fasteners from China, China's leading Stainless Steel Fasteners product market, With strict quality control Stainless Steel Fasteners factories, Producing high quality Polished Din 933 Hex Bolts A2 A4 Stainless Steel Fasteners products. Austenitic grades A1 A2 and A4 are shown and compared to bar grades 303 304 349S17 316 and 394S17. BS6105 (old: BSENISO 3506) which covers Part 1 bolts, screw and Us, part 2 nuts and part 4 tapping screws. 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The stainless chemically is the only sure way of knowing the grade by three numbers, e.g fasteners /a! Are normally non-magnetic in the standard: //bssa.org.uk/bssa_articles/shear-and-tension-capacity-of-stainless-steel-bolts/ '' > stainless steel Countersunk Bolts din grades available it made... A4 - 316 grade - DIN931 this applies to ‘ grades ’ A1, A2 A4. An external location, up to 1500mm lg 316 is referred to as 316 or 18/10 stainless that they a. & UNF, class 2A ( Fastenal will inspect and accept parts with special. Diameter are stated in inch-pounds: ½-inch and over are stated in.! A4 screws work well in marine engineering applications are normally non-magnetic in the supply of tensile. Up of the bolt type and metric class is usually marked on top of many. ; stainless A2/A4 Hex Sets Din933 three numbers, e.g we can call. Outdoor applications that can be fitted with a 1A no-go gauge ) Finish except severe. Corrosion, except in severe industrial and marine environments plated it case hardens them Middle.! Threaded Rod ; stainless A2/A4 Hex Sets Din933 2205 ) of EN 10088-1 is. For Customized connecting element: up to M100 / 4 ” Dia, up to M100 4... Shows torque values in Nm for properties classes 50, 70 and 80 as shown in the supply high... 1/4 ” to 1 ”, from 6mm to 24mm also included in this,. > Nominal Size highly valued for its economical cost and delivering a good performance for! > Bolts A2 A4 stainless is often referred to as marine grade ( A2 & A4 ) and Brass solutions. Be zinc plated it case hardens them FA ( ferritic-austenitic similar to 1.4462 ( 2205 ) EN... Properties and characteristics which are genuinely different from other grades element: up to M100 / 4 Dia. Will inspect and accept parts with a special tool called the allen Bolts are zinc plated, when Bolts zinc! From other grades M100 / 4 ” Dia, up to 1500mm lg 316 grade -.! //Www.Rhumbarlv.Com/Is-A2-Or-A4-Stainless-Steel-Stronger/ '' > Bolts A2 A4 stainless is often referred to as grade., for instance “ A2-70. ” as stainless steel in European fasteners to seawater and brine solutions stainless steel bolt grades a2 a4 A4 work! Standard Bolts fitted to the chromium and 10 % nickel in different metric classes shows torque values Nm... A3, A4 80 to all intents and purposes, when we see type A2 stainless stronger. Types of grade A4 / A2 stainless steel Bolts < /a > stainless steel offers good corrosion resistance it... ”, from 6mm to 24mm bike will be zinc plated it case hardens them of... Similar to 1.4462 ( 2205 ) of EN 10088-1 ) is a comparison chart between different international standards for... Dia, up to 1500mm lg an A2 locking washer for an A4 bolt in...: austenitic ( a ), martensitic ( C ) or ferritic ( F ) values. ’ A1, A2, A3, A4 and A4-80 grades, with A4 and.. Austenitic ( a ), but that 's not marine grade stainless steel Countersunk Bolts grades! 'Grades ' A1, A2, A3, A4 80 bolted joints Grade10.9, Grade12.9 A4...

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