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ASTM A537 Class 1 steel plate for boilers and pressure vessels applications steel plate

ASTM A537 Class 1 steel plate is heat-treated steel and in normalized state. As a consequence, ASTM A537 Class 1 steel plate displays greater yield and tensile strength than the more standard ASTM A516 steel. ASTM A537 Class 1 steel plate is ideal for both boilers and pressure vessels applications, and is widely used in the oil, gas and petrochemical industry.

ASTM A537 Class 1 steel plate Chemical Composition:

C Mn P S Si Cr Cu Ni Mo
≤ 40 mm > 40 mm
0.24 max 0.70/1.35 1.00/1.60 0.035 0.035 0.15/0.50 0.025 0.35 0.25 0.080

ASTM A537 Class 1 steel plate Mechanical Properties :

Heat Treatment Yield (MPa) Tensile (MPa) Elongation Thickness
A50mm A200mm
Normalized 345 485/620 22% 18% ≤ 65
310 450/585 22% 18% > 65 ≤ 100

ASTM A537 Class 1 steel plate shows good cold forming performance. For A537 Class 1 steel plate welding, special consumables and welding methods are needed for avoiding harmful effects of metal structure. The typical applications of ASTM A537 Class 1 steel plates are API 650 and API 620 storage tanks, pressure vessels designed for moderate and lower-temperature service, requiring excellent notch toughness.

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