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Grade A537
Corresponding Standard ASTM A537/A537M-2013(R2019)
Standard Specification for Pressure Vessel Plates, Heat-Treated, Carbon-Manganese- Silicon Steel
Classification Alloy Steel
A537 Chemical Element Composition Content (%)
  Component C Si Mn P S Cr Ni Cu Mo
厚度≤1-1/2in.(40mm) Minimum Value - 0.15 0.7 - - - - - -
Maximum Value 0.24 0.5 1.35 0.025 0.025 0.25 0.25 0.35 0.08
  Component C Si Mn P S Cr Ni Cu Mo
厚度>1-1/2in.(40mm) Minimum Value - 0.15 1 - - - - - -
Maximum Value 0.24 0.5 1.6 0.025 0.025 0.25 0.25 0.35 0.08
A537 Mechanical Properties
thickness
t
mm		 Mark
Heat Treatment or Condition
Tensile Strength
σb
Mpa 		Yield Point
σs
Mpa 		Elongation or Extension Rate
δ
%
t≤65 A537 Class1 Normalizing 485~620 ≥345 ≥22
65<t≤100 A537 Class1 Normalizing 450~585 ≥310 ≥22
t≤65 A537 Class2 Quenching + Tempering 550~690 ≥415 ≥22
65<t≤100 A537 Class2 Quenching + Tempering 515~655 ≥380 ≥22
100<t≤150 A537 Class2 Quenching + Tempering 485~620 ≥315 ≥20
t≤65 A537 Class3 Quenching + Tempering 550~690 ≥380 ≥22
65<t≤100 A537 Class3 Quenching + Tempering 515~655 ≥345 ≥22
100<t≤150 A537 Class3 Quenching + Tempering 485~620 ≥275 ≥20
A537 Corresponding Standards(Same grade name, different standards)
1 ASTM A537/A537M-2013(R2019)
A537
2 ASTM A537/A537M-2020
A537

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