Pressure vessel grade steel ASTM A537 CL2 steel

Pressure vessel grade steel ASTM A537 CL2 steel

ASTM A537 CL2 steel is a pressure vessel grade steel extensively used in the fabrication and manufacture of pressurised tanks, boilers and heat exchangers. ASTM A537 CL2 steel plate needs to be done quenching and tempering heat treatment. The tempering temperature for ASTM A537 CL2 steel shall not be less than 595 centigree, and last at least 1/2 hour.

ASTM A537 CL2 steel chemical composition: Heat Analysis Max %

Thickness(mm) C Si Mn P S Cu Ni Cr Mo
T≤40 0.24 0.13-0.55 0.64-1.46 0.035 0.035 0.38 0.28 0.29 0.09
40<T 0.92-1.72

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

ASTM A537 CL2 steel mechanical property:

Grade Thickness Yield Tensile Elongation
A537 CL2 ≤65 415 550-690 22
>65≤100 380 515-655 20
>100≤150 315 485-620 -

BBN steel is professional manufacturer, supplier and exporter of ASTM A537 CL2 steel. BBN steel can meet additional technical requirements for ASTM A537 CL2 steel such as simulated post welded heat treatment of mechanical test coupons, charpy V-notch impact test and high temperature tension test.