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Property Class A4-70 Material Datasheet

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Material Description

Material Number Material Name Standard Scope Standard Status Country Successor VDA 231-106 classification Application temperature [°C]
A4-70 (DIN EN ISO 3506-2 : 2010-04) Property Class A4-70 DIN EN ISO 3506-2 : 2010-04 DIN EN ISO 3506-2 : 2010-04 replaced by DIN EN ISO 3506-2 : 2020-08 Replaced Germany Property Class A4-70 1.1.2 ≥ -60 1)
1) Remark: Non-stabilized austenitic steels of grade A4 are "acid proof steels", which are Mo alloyed and give a considerably better resistance to corrosion (boiling sulfuric acid, to a certain extent to chloride containing environment). Application: cellulose industry, food industry, shipbuilding, bolts and nuts acc. to DIN 267-13

Chemical Composition

C [%] Cr [%] Cu [%] Mn [%] Mo [%] Ni [%] P [%] S [%] Si [%] Remainder
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Mechanical Properties

Condition Temperature [°C] Tensile Strength [MPa] Yield Strength (0.2% offset) [MPa]
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Cross Reference

Material Name Country Standard
A4-70 Europe EN ISO 3506-2
A4-70 International ISO 3506-2
A4-70 Germany AD 2000 W 2
A4-70 Germany DIN 267-13

Producer/Supplier/Trade names

Tradename Supplier
A4-70 Bossard Deutschland GmbH, Illerrieden
A4-70 KAMAX Automotive GmbH, Homberg (Ohm)
A4-70 Nedschroef Fasteners B.V, Helmond

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