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ASTM a537 class 2 chemical composition，mechanical properties

ASTM a537 class 2 chemical composition，mechanical properties

ASTM A537 Class 2 is a specification for pressure vessel steel plate, primarily used in the construction of welded pressure vessels where improved notch toughness is required. Here are the chemical composition and mechanical properties of ASTM A537 Class 2:

Chemical Composition of ASTM A537 Class 2

   
C 0.24
Si 0.15/0.50
Mn
< 40mm		 0.70/1.35
Mn
> 40mm		 1.00/1.60
P 0.035
S 0.035
Cr 0.25
Mo 0.80
Ni 0.25
Cu 0.35

Mechanical Properties of ASTM A537 Class 2

YIELD (MPA) TENSILE (MPA) ELONGATION A50MM ELONGATION A200MM THICKNESS
415 550/690 22% - < 65
380 515/655 22% - > 65 < 100
315 485/620 20% - > 100 < 150

(Minimum values unless stated otherwise)

Please note that these values are minimum requirements specified by the ASTM A537 Class 2 standard, and actual values may vary depending on the specific manufacturing and testing processes employed. It is recommended to refer to the latest version of the ASTM A537 Class 2 standard or consult the manufacturer for precise and up-to-date information regarding the chemical composition and mechanical properties of the material.

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