ASTM A 515 Grade 70 Sheet Plate

ASTM A 515 GR. 70:
A515 specification covers carbon-silicon steel plates primarily for intermediate and higher temperature service in welded boilers and other pressure vessels projects.

ASME SA515 Grade 70 and ASTM A515 Grade 70 are carbon silicon steel plate for building boilers and pressure vessels in intermediate and higher temperature services.There are three steel grades A515 Grade 60 boiler steel plate,A515 Grade 65 boiler steel plate and A515 Grade 70 boiler steel plate owning to different yield strength and tensile strength.Pressure vessel steel plate 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 steel tensile strength is 485Mpa to 620Mpa and the yield strength is min 260Mpa.

A515 Grade 70 Chemical requirements 

A515 grade 70 Chemical Composition

Grade

The Element Max (%)

C

Mn

P

S

Si

A515 grade 70

0.30-0.35

1.30

0.035

0.035

0.13-0.45

Carbon Equivalent: Ceq = 【C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15】%

Grade

A515 grade 70 Mechanical Property

Thickness

Yield

Tensile

Elongation

A515 grade 70

mm

Min Mpa

Mpa

Min  %

200

260

485-620

17

50

21

 

Equivalent steel grade of A515 grade 70

Europe

Belgium

Germany

France

Italy

Sweden

UK

Japan

KG,KW,KT

W St E 315

A48 CP,AP,FP

Fe 460-2-KW

SS21,02,01

Gr 360,400

 

A515 Grade 70 Tensile requirements

Mechanical Property

A515 Grade 70

Tensile strength, kis [MPa]

Yield strength, min, kis [MPa]
Elongation in 8 in. [200 mm], min, %
Elongation in 2 in. [50 mm], min, %

70-90 [485-620]
38 [260]

17

21

 

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