Product Overview
ASME SA537 CL.2 Boiler Pressure Vessel Steel Plate is a quenched and tempered carbon steel plate. It provides high strength, good toughness, and reliable pressure resistance for boilers, pressure vessels, reactors, heat exchangers, and petrochemical equipment.
Technical Specifications
|
Item |
Specification |
|
Product Grade |
ASME SA537 Class 2 |
|
Standard |
ASME SA537 / ASTM A537 |
|
Available Thickness |
6–150 mm |
|
Available Width |
1,500–4,000 mm |
|
Available Length |
3,000–18,000 mm |
|
Delivery Condition |
Quenched & Tempered (Q&T) |
|
Edge Type |
Mill Edge (ME), Trimmed Edge (TE) |
|
Surface Condition |
Hot Rolled, Shot Blasted, Painted or Natural Finish |
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 |
Mechanical Properties
|
Class |
Heat |
Thickness |
Yield |
Tensile |
|
Class 2 |
Quenched and tempered |
21/2 inch and under [65 mm and under] |
60 ksi |
80 ksi |
|
Over 21/2 to 4 inch |
55 ksi |
75 ksi |
||
|
Over 4 inch |
46 ksi |
70 ksi |
Key Benefits
Quenched and tempered structure provides high strength with reliable pressure-bearing performance.
Excellent low-temperature toughness helps improve equipment safety in demanding operating environments.
Stable mechanical properties support consistent fabrication and predictable performance.
Good weldability reduces fabrication time and overall processing costs.
Wide thickness availability enables flexible procurement for various pressure vessel projects.
Typical Applications
- Industrial boilers
- Heat exchangers
- Petrochemical reactors
- Pressure storage tanks
- Oil & gas separators
Processing Services
CNC Flame Cutting – Cut plates to customer drawings and required dimensions.
Plasma Cutting – Suitable for precision profiles and complex shapes.
Laser Cutting – Provides high dimensional accuracy for thinner plates.
Edge Milling & Beveling – Prepare weld edges according to fabrication requirements.
Drilling – Produce bolt holes and customized openings.
Surface Shot Blasting – Remove scale and improve coating adhesion.
Protective Painting – Apply shop primer or anti-rust coating before shipment.
Quality Assurance
Inspection & Testing
Raw Material Identification (PMI)
Chemical Composition Analysis
Tensile Strength Test
Yield Strength Test
Elongation Test
Charpy V-Notch Impact Test
Hardness Test
Ultrasonic Testing (UT)
Z-Direction Testing (Z15 / Z25 / Z35)
Hydrogen Induced Cracking (HIC) Resistance Testing
Visual & Dimensional Inspection
Surface Defect Examination
Certifications
|
Certification |
Meaning |
|
ISO 9001:2000 |
Quality Management System |
|
ISO 14001:2004 |
Environmental Management System |
|
EN 10204 3.1 |
Mill Test Certificate issued by manufacturer |
|
EN 10204 3.2 |
Independent third-party inspection certificate |
|
NACE MR0175 / ISO 15156 (when specified) |
Materials suitable for sour service applications |
|
SGS / BV / TUV / DNV / Lloyd's Inspection |
Optional third-party inspection before shipment |
Packaging & Shipping
Export Packing – Steel strips with steel tags and seaworthy export packing.
Rust Protection – Shop primer, anti-rust oil, or waterproof wrapping available upon request.
Loading Method – Bundled or loose loading by forklift and overhead crane.
Shipping Method – Container, break bulk vessel, or bulk carrier depending on plate size.
Marking – Grade, dimensions, heat number, PO number, and customer markings.
FAQ
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