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ASTM A537
ASTM A537
ASTM A537
ASTM A537

ASTM A537 steel

The ASTM A537 specification covers heat treated carbon steel plates for pressure vessel applications.
Product introduction
The ASTM A537 specification covers heat treated carbon steel plates for pressure vessel applications.
ASTM A537 Class 1 plates are supplied in the normalised condition whilst Class 2 plates are quenched and tempered. ASTM A537 carbon steel plates promote greater tensile and yield strength than pressure vessel plates supplied under the ASTM A516 standard.
Gnee Steel specialise in the supply of pressure vessel plates which are commonly required by the Oil, Gas and petrochemical industry. We offer material to the ASTM A537 specification in a number of sizes and thicknesses to suit your requirements.
ASTM A537 Class 1
ASTM A537 Class 1 carbon steel plates are engineered to be used in pressure vessel applications.
The material is a normalised steel which is heat treated and as a consequence displays greater yield and tensile strength than the more standard ASTM A516 grades. The steel is ideal for use in pressurised service both in boilers and pressure vessels and Gnee Steel supplies A537 Class 1 plates to the world’s leading fabricators who in turn serve the Oil, Gas and Petrochemical industry.
We can supply ASTM A537 Class 1 plates from stock or directly from the mill. We also offer an in house profiling service where the material can be cut to the size or shape you require.
Technical Data
Table 2: Mechanical Properties of ASTM A537 Class 1
Yield (MPa) Tensile (MPa) Elongation A50mm Elongation A200mm Thickness
345 485-620 22% 18% < 65
310 450/585 22% 18% > 65 < 100
(Minimum values unless stated otherwise)
(Please note: the technical information above is for guidance only – for exact specifications please check with our Sales Team)

Table 1: Chemical Composition of ASTM A537 Class 1
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
(Maximum values unless stated otherwise)

ASTM A537 Class 2
ASTM A537 Class 2 steel is a higher yield and tensile strength material used in the fabrication of pressurised vessels and steel boilers.
The steel includes the alloying of carbon, manganese and silicon and is heat treated using the quenched and tempered method which gives the material its residual strength. Sourced by the world’s leading fabricators, ASTM A537 Class 2 is a material used extensively by the oil, gas and petrochemical industry.
Gnee Steel will supply ASTM A537 Class 2 plates from stock or directly from the mill. We also offer steel cutting services including CAD based flame cutting to cut your steel into particular shapes.

Table 2: 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: the technical information above is for guidance only – for exact specifications please check with our Sales Team)

Table 1: 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
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