A537CL2,A537 Class 2

ASTM A537 specification A537CL2,A537 Class 2,A537CL2 steel plate have to be done Quenched and tempered heat treatment comparing with A537CL1 steel plate.The tempering temperature for A537CL2 steel plate shall not be less than 595 centigree,and last at least 1/2 hour.Tensile strength for boiler steel plate A537CL2 shall be within 550-690 Mpa,and yield strength above 415 Mpa.The additional technical requirements as Simulated post welded heat treatment of mechanical test coupons,charpy V-notch impact test and high temperature tension test can be choosed by purchasers when ordering.

Technical Requirements & Additional Services for A537CL2 steel plate:
♦ High tension test
♦ Low temperature impacting test
♦ Simulated post-welded heat treatment (PWHT)
♦ Rolling under standard NACE MR-0175 (HIC+SSCC)
♦ Issued Orginal Mill test certificate under EN 10204 FORMAT 3.1/3.2
♦ Shot blasting and Painting,Cutting and welding as per end user’s demands
 

►Mechnical property for A537CL2 steel plate:

Thickness(mm)	Yield strength (≥Mpa)	Tensile strength (Mpa)	Elongation in ≥,%
			200mm	50mm
T≤65	415	550-690	...	22
65<T≤100	380	515-655	...	22
100<T	315	485-620	...	20

►Chemical composition for A537CL2 steel plate (Heat Analysis Max%)

Main chemical elements composition of A537CL2 steel plate
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