ASTM A537 cl3 Alloy Pressure Vessel steel plate

A537CL3 is tempered and quenched silicon carbon manganese steel plates that are intended for various purposes. The requirements are outlining testing as well as resistant method and procedures. It also includes variations in dimensions, repair of any defects, quantity, mass, loading, marking, packaging etc. Gnee is fully involved in offering the best possible quality of the product. The industry is guaranteeing in effectively fulfilling all the demands of the buyer. So they are manufacturing the plates by using top-notch quality of alloy addition to the latest technology and modern tools. Also, they are considering industry setup production guidelines and various raw material quality standards for the fabrication of the product.

A537 class 3 Chemical Composition
Grade	The Element Max (%)
	C	Mn	P	S	Si	Cu	Ni	Cr	Mo
A537 class 3	0.24	0.92-1.72	0.035	0.035	0.13-0.55	0.38	0.28	0.29	0.09

Grade	A537 class 3 Mechanical Property
	Thickness	Yield	Tensile	Elongation
A537 class 3	mm	Min Mpa	Mpa	Min  %
	-65	380	550-690	22
	65-100	345	515-655	20
	100-150	275	485-620	-

Referenced Documents

ASTM Standards:
A20/A20M: Specification for General Requirements for Pressure Vessel Plates
A435/A435: For Straight-Beam Ultrasonic Examination of Steel Plate
A577/A577M: For Ultrasonic Angle-Beam Examination of Steel Plates
A578/A578M: For Straight-Beam Ultrasonic Examination of Rolled Steel Plates for Special Applications

Manufacturing Notes:
Steel Plate under ASTM A537 Class 1, 2 and 3 shall be killed steel and comply with fine austenitic grain size requirement of Specification A20/A20M.

Heat Treatment Methods:
All plates under ASTM A537 shall be heat treated as follows:
ASTM A537 Class 1 plates shall be normalized.
Class 2 and Class 3 plates shall be quenched and tempered. The tempering temperature for Class 2 plates shall not be less than 1100°F [595°C] and not less than 1150°F [620°C] for Class 3 plates.