What is the difference between A2 and A2-70? [Solved] (2022)

What is the difference between A2 and A2-70?

DIN/ISO A2 Stainless Steel Is A Corrosion Resistant Steel; It Is Also Known As ASTM-304. A2 / ASTM-304 Is An 18/8 Stainless Steel : This Designates A Metallurgical Content Of 18% Chromium & 8% Nickel. A Bolt Marked A2-70 Is A 304 Stainless Steel Bolt With A 700 N/mm2 Tensile Strength (See Below Table).... read more ›

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What is the difference between A2-70 and A2 80?

The A2-70 has 700MPa minimum tensile strength and the A4-80 has 800MPa minimum tensile strength as well.... view details ›

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What does A2-70 on a bolt mean?

The “70” denotes the minimum tensile strength to be met by the material (actually the bolt, screw or nut after manufacture). 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/mm² (MPa).... continue reading ›

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What does A2 mean on bolts?

A2 stainless steel fixings are made from an alloy containing a mixture of two or more metals. 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.... see more ›

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What size is an A2 washer?

Size - Inside Di x Outside Di x Thickness:

M6 - 6.4mm x 12.5mm x 0.8mm.... continue reading ›

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What size is an A2-70 bolt?

Manufacturer of A2 70 Bolt Material according to standard, Check A2-70 Bolt Size Chart
Product nameA2-70 Stainless Steel Bolts
Surface treatmentPassivation /plain
A2-70 Stainless Steel Bolts SizeM2 - M100
A2-70 Stainless Steel Bolts DiameterM3-M60
A2-70 Stainless Steel Bolts Length6mm-500mm
25 more rows

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What is the difference between A4 70 and A4 80?

The difference in a4-70 vs a4-80 is the minimum tensile strength. The A4-70 grade has 700MPa tensile strength and A4-80 has 800MPa minimum tensile strength.... continue reading ›

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Is A2-70 strong?

A2-70 Stainless Steel Fastener is recognized by 2 ways, A2 which describe it as being from SS 304 family and 70 which classifies its strength. 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.... see details ›

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Is A2-70 stainless steel magnetic?

Both A2 and A4 grades are classed as Austenitic stainless steel (sometimes called the 300 series). This means that they have high chemical resistance but cannot be hardened by heat treatment. They can be hardened by cold working. Both A2 and A4 stainless steels are mostly non-magnetic.... continue reading ›

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Is A2 70 bolt metric?

A2-70 Stainless Steel Metric Hex Cap Screws Bolts, Nuts, & Washers Assortment Kit - 575 Pieces!... see more ›

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What is the strongest grade of stainless steel bolt?

BUMAX® Ultra – the world's strongest bolt

Since its launch in 2014, the BUMAX® Ultra range has proven that it is capable of exceeding tensile strengths of between 1 500 to 1 700 MPa on various applications, with good corrosion resistance and an operating range of between -50 and 400°C.... see details ›

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Does A2 stainless steel rust?

To put it simply, an A2 stainless steel does not rust, but must not come into direct contact with salt. On a boat, it will therefore be used for all the fittings screws or mechanical fasteners. On the other hand, an A4 stainless steel may be in direct contact with the salt and will be used on deck.... see more ›

What is the difference between A2 and A2-70? [Solved] (2022)

Is A2 the same as 316?

A2 is also known as 304, whereas A4 is also known as 316.... see more ›

What grade is A2 steel?

A2 is a 5% Chromium steel which provides high hardness after heat treatment with good dimensional stability. It is heat treatable and will offer a hardness in the range 57-62 HRC.... continue reading ›

What size is an A2 screw?

A2-70 Stainless Hexagon Socket Screw, Type : Cap Head, Thread Size : M4, Bolt Length : 20mm, Thread Length : 20mm [per Pk/50]... read more ›

What is stronger A2 or A4?

A2 vs A4 stainless steel strength

Whereas grade A4 is stronger than grade A2, and its tensile properties are almost similar to alloy steel grade 8.8.... see details ›

What's the difference between A2 & A4 stainless steel?

A4 stainless is often used in marine or chemical environments as it has greater corrosion resistance than A2. The chemical composition of both A2 and A4 stainless steel are almost identical with the most notable differences being the higher nickel content and the addition of Molybdenum in A4.... continue reading ›

Is A4 70 the same as 316?

Therefore, A4-70 is an austenitic, acid proof stainless grade (usually 316 material – 316 or 316L) which has been cold worked to provide a nimimum tensile strength of 700N/mm² (MPa).... read more ›

What does A4 70 mean on a bolt?

The “70” denotes the minimum tensile strength to be met by the material (actually the bolt, screw or nut after manufacture). Therefore, A4-70 is an austenitic, acid proof stainless grade (usually 316 material – 316 or 316L) which has been cold worked to provide a nimimum tensile strength of 700N/mm² (MPa).... read more ›

What size is A2 screw?

A2-70 Stainless Hexagon Socket Screw, Type : Cap Head, Thread Size : M4, Bolt Length : 20mm, Thread Length : 20mm [per Pk/50]... see details ›

What does 8.8 mean on the head of a bolt?

So, in English, a Property Class 8.8 bolt is a bolt with a nominal tensile strength of 800 MPa and a nominal yield strength that is 80% of that nominal tensile strength, so 640 MPa.... see details ›

Is a 10.9 bolt stronger than Grade 8?

Class 10.9 is stronger than class 8.8. It is commonly found in high strength automotive applications.... read more ›

What is stronger A2 or A4?

A2 vs A4 stainless steel strength

Whereas grade A4 is stronger than grade A2, and its tensile properties are almost similar to alloy steel grade 8.8.... read more ›

What is A2 material?

A2 tool steel is an air hardening, cold work steel. A2 is a 5% Chromium steel which provides high hardness after heat treatment with good dimensional stability. It is heat treatable and will offer a hardness in the range 57-62 HRC.... view details ›

Is A2 stainless?

Stainless steel is available in many 'grades', each of which has different properties and so is used in different applications. A particularly common grade, popular for its versatility, is A2.... read more ›

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