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Home > products> ASTM A537 Class 1, 2, 3 Steel Plate

ASTM A537 Class 1, 2, 3 Steel Plate

Heat-treated pressure vessel quality steel plate to increase yield and tensile strength, especially when compared to A516 grades.

Available in three classes: 1, 2 and 3.

Classes 2 and 3 are quenched and tempered, whereas class 1 is normalized.

Ideal for boilers and pressure vessels.

Used in the oil, gas and petrochemical industry.

ASTM A537 Class 12 3 Pressure Vessel Steel Plate Price ASTM A537 CL1 2 3 Plates Supplier ASTM A537 carbon steel plates ASTM A537 specification

Introduction
Parameters
Service

ASTM A537 Class 1, 2, 3 Steel Plate Boiler and Pressure Vessel Steel Plate Supplier

ASTM A537 steel plate is a specification for pressure vessel plates that are heat-treated to improve their mechanical properties. This type of steel is commonly used in the fabrication of pressure vessels and industrial tanks, especially in environments where high strength and improved toughness are required.

Based on different strength and heat treatment, it ranges to ASTM A537 Class 1, 2 and 3.

ASTM A537 standard refers to pressure vessel plates, material in heat-treated, carbon-manganese silicon steel. Based on different strength and heat treatment, it ranges to Class 1, 2 and 3. ASTM A537 Class 1 plates are supplied in the normalised condition whilst Class 2 plates are quenched and tempered.

ASTM A537 Cl 1, Cl 2, and Cl 3 Steel Specification

Description: Carbon Steel ASTM A537 Class 1, 2, 3
Manufacturing Types: Hot Rolled
Thickness: 2mm to 150 mm
Width: 0.6m to 3m
Length: 6m, 12m, customized
Surface: Natural, Painted
Packing: Standard sea packing, bundled with steel strip.

ASTM A537 steel plate applications:

ASTM A537 steel plates are commonly used in:

Construction of pressure vessels for the oil and gas industry.
Manufacturing of industrial storage tanks and equipment.
Structural applications where high strength and toughness are required, particularly in severe environments.

Overall, ASTM A537 steel plates offer a combination of high strength and excellent toughness, making them suitable for demanding applications in various industrial sectors.

Specification Parameters

Basic Information

ASTM A537 Class 1, 2 and 3 Steel Plates Mechanical Properties

ASTM A537		Class 1	Class 2	Class 3
*T.S. ksi [MPa]	t≤2-1/2″	70-90 [485-620]	80-100 [550-690]	80-100 [550-690]
	2-1/2″＜t≤4″	65-85 [450-585]	75-95 [515-655]	75-95 [515-655]
	4″＜t≤6″	A	70-90 [485-620]	70-90 [485-620]
*Y.S. ksi [MPa]	t≤2-1/2″	≥50 [≥345]	≥60 [≥415]	≥55 [≥380]
	2-1/2″＜t≤4″	≥45 [≥310]	≥55 [≥380]	≥50 [≥345]
	4″＜t≤6″	A	≥46 [≥315]	≥40 [≥275]
*EL. 2″ min. %	2″	–	–	–
	4″≤t＜2″	22	22	22
	t＞4″	A	20	20
*EL. 8″ min. %	[200mm]	18	C	C

*T.S.: tensile strength; *Y.S.: yield strength; *EL. 8″: elongation in 8″; *EL. 2″: elongation in 2″; *A: Product is not available in this size range; *C: There is no requirement for elongation in 8 in.

ASTM A537 Chemical Composition Requirements

ASTM A537 Heat-Treated Plates
Element		Composition
C	max	0.24
Mn	*H.A. t≤1-1/2″	0.70-1.35
	*P.A. t≤1-1/2″	0.64-1.46
	*H.A. t>1-1/2″	1.00-1.60
	*P.A. t>1-1/2″	0.92-1.72
P	max	0.025
S	max	0.025
Si	*H.A.	0.15–0.50
Si	*P.A.	0.13–0.55
Cu	*H.A. max	0.35
Cu	*P.A. max	0.38
Ni	*H.A. max	0.25
Ni	*P.A. max	0.28
Cr	*H.A. max	0.25
Cr	*P.A. max	0.29
Mo	*H.A. max	0.08
Mo	*P.A. max	0.09