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You are here: Home- Selling listA515 Grade 70 Carbon Steels,Grade 70 Carbon Steel

A515 Grade 70 Carbon Steels,Grade 70 Carbon Steel

Posted:2015/8/27 22:25:33

ASTM A515 Grade 70 is a kind of steel plates material used to fabric middle or high temperature pressure vessels. ASTM A515 has three levels : A515 GR 60 (415), A515 GR 65 (450), A515 GR 70 (485) .The alloy involved for the specification is basically similar to AISI 1330 steel.A515 specification covers carbon-silicon steel plates primarily for intermediate and higher temperature service in welded boilers and other pressure vessels projects.A515Gr70 owned tensile strength within 485-620 Mpa,and the minimum yield strength shall be above 260 Mpa.The steel grade A515 Grade 70 contains a higher carbon contains comparing with A515 Grade 60 and A515 Grade 65.

A515 Grade 70 Chemical requirements 

Carbon, max

%

Manganese, max

%

Silicon, max

%

25mm or under
25mm - 50mm
50mm- 100mm
100mm- 200mm
over 200mm

0.31
0.33
0.35
0.35
0.35

Heat Analysis

Product Analysis 

1.20
1.30

Heat Analysis

Product Analysis

0.15-0.40

0.13-0.45

Phosphorus max

%

Sulfur max

%

 

 

All thickness

0.035

All thickness

0.035

 

 

Typical Mechanical Values of ASTM A516 Grade 70 / ASME SA516 Grade 70

Properties

Value

Tensile Strength (N/mm2)

510/ 650

Yield stress/ min (N/mm2)

335

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