ASTM A537 Class 2 is a premium quenched and tempered carbon-manganese pressure vessel steel. Compared with A537 Class 1 and A537 Class 3, A537 Class 2 features higher yield strength and tensile strength, delivering superior mechanical performance. The steel is alloyed with carbon, manganese and silicon, and optimized via professional quenching and tempering heat treatment, which greatly improves structural stability and residual strength for harsh industrial service conditions.
Basic Product Parameters
|
Item |
Specification |
|
Executive Standard |
ASTM A537 |
|
Steel Grade |
A537 Class 2 |
|
Thickness |
5mm‑150mm |
|
Width |
1000mm‑4500mm |
|
Length |
3000mm‑18000mm |
|
Manufacturing Process |
Hot-Rolled (HR) |
|
Heat Treatment |
Quenched & Tempered |
|
MOQ |
1 PC |
|
Delivery Time |
Promptly (Stock) Custom production:10‑40 working days |
|
Stock Status |
Available |
|
Certification |
MTC Available, Third-party inspection supported |
|
Payment Terms |
T/T, L/C At Sight |
STM A537 CL2 steel 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 |
STM A537 CL2 steel Mechanical Property:
|
Thickness(mm) |
Yield strength (≥Mpa) |
Tensile strength (Mpa) |
Elongation in ≥,% |
|
200mm |
50mm |
|
T≤65 |
415 |
550-690 |
... |
22 |
|
65<T≤100 |
380 |
515-655 |
... |
22 |
|
100<T |
315 |
485-620 |
... |
20 |
Main Applications
ASTM A537 Class 2 steel is widely used in the oil, gas and petrochemical industries. With optimized quenched and tempered heat treatment, the material retains excellent residual strength and structural stability. It is the ideal material for manufacturing high-pressure vessels, storage tanks and critical pressure-bearing equipment for energy and chemical engineering projects.
We supply full-specification ASTM A537 Class 2 quenched and tempered steel plates with complete official MTC certificates. We support customized heat treatment, cutting processing and third-party quality inspection. With sufficient stock and flexible delivery cycle, we provide stable and reliable steel supply for oil, gas and petrochemical engineering projects worldwide.
