Quenched and tempered ASTM A537 Class 2 and A537 Class 3 steel is a higher yield and tensile strength material used in the fabrication of pressurised vessels and steel boilers.
Other mainuse: Heat exchangers, gas turbines, compressors, storage tanks and spheres and a variety of skid mounted equipment for the oil and gas industry.
YUSHENG STEEL will supply ASTM A537 Class 1,A537 Class 2 and A537 Class 3 alloy steel plates from stock or directly rolling from the mill. We also offer steel cutting services including CAD based flame cutting to cut your steel into particular shapes and welding services.
Referenced specifications: ASTM A 20/A 20M,A 537/A 537M,A 435/A 435M,A 577/A 577M,A 578/A 578M.
Obligatory and additional technical requirements:
I.Heat Treatment: A537 Class 1 Normalized,A537 Class 2 and A537 Class 3 QT
II.Ultrasonic Test: A 435/A 435M or A 578/A 578M.
III.Simulated Post-Weld Heat Treatment of Mechanical Test Coupons (S3).
Chemical Requirements Table:(Heat Analysis)
Mechanical Property:
|
Steel Grade |
Chemical Composition % |
|
|
C |
Mn |
Si |
P |
S |
|
A537 Class 2 |
0.24 |
0.70-1.35 |
0.15-1.50 |
0.035 |
0.035 |
|
|
Cu |
Ni |
Cr |
Mo |
|
A537 Class 2 |
0.35 |
0.25 |
0.25 |
0.08 |
For the thickness ¡Ü65mm, Yield Strength above 415 Mpa,Tensile Strength above 550 Mpa.
For the thickness between 65-100mm, Yield Strength above 380 Mpa,Tensile Strength above 515 Mpa.
For the thickness ¡Ý100mm, Yield Strength above 315 Mpa,Tensile Strength above 485 Mpa.
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