Product Overview
A537 Pressure Vessel Steel Plate is a heat-treated carbon steel plate manufactured to ASTM A537 Class 1, Class 2, and Class 3 standards. It provides high strength, excellent toughness, and reliable weldability for pressure vessels, boilers, storage tanks, and process equipment operating under moderate to high pressure.
Technical Specifications
|
Item |
Specification |
|
Standard |
ASTM A537 / ASME SA537 |
|
Heat Treatment |
Class 1: Normalized; Class 2 & 3: Quenched and Tempered (Q&T) |
|
Available Thickness |
6-150 mm |
|
Available Width |
1,000-4,000 mm |
|
Available Length |
3,000-18,000 mm |
|
Edge Type |
Mill Edge (ME), Trimmed Edge (TE) |
|
Surface Condition |
Hot Rolled, Shot Blasted, Painted upon request |
Chemical Composition
|
A537 |
|
|
Carbon Max |
0.24% |
|
Manganese |
0.70-1.60% |
|
Phosphorus Max |
0.025% |
|
Sulfur Max |
0.025% |
|
Silicon |
0.15-0.50% |
|
Copper Max |
0.35% |
|
Nickel Max |
0.25% |
|
Chromium Max |
0.25% |
|
Molybdenum Max |
0.08% |
Mechanical Properties
|
Class |
Yield Point (Ksi) |
Tensile Strength (Ksi) |
|
1 - 2.5 In. Thick And Under |
50 |
70 |
|
1 - Greater Than 2.5 In. Thick |
45 |
65 |
|
2 - 2.5 In. Thick And Under |
60 |
80 |
|
2 - Greater Than 2.5 In. Thick To 4 In. To 4 In. |
55 |
75 |
|
2 - Over 4 In. Thick To 6 In. |
46 |
70 |
|
3 - 2.5 In. Thick And Under |
55 |
80 |
|
3 - Greater Than 2.5 In. Thick |
50 |
75 |
|
3 - Over 4 In. Thick To 6 In. |
40 |
70 |
Key Benefits
Heat-treated microstructure provides excellent strength and impact toughness for pressure-containing equipment.
Good weldability helps reduce fabrication complexity and procurement costs.
Multiple strength classes allow engineers to optimize material selection for different design pressures.
Stable mechanical properties ensure reliable performance after fabrication and heat treatment.
Typical Applications
- Pressure vessels
- Industrial boilers
- Heat exchangers
- Pressure storage tanks
- Petrochemical reactors
- Oil & gas separators
Processing Services
- CNC flame cutting for custom plate profiles and heavy sections.
- Plasma cutting for high-precision component production.
- Laser cutting for thin and medium-thickness plates.
- Waterjet cutting for heat-free precision machining.
- Beveling for welding edge preparation.
- Drilling for flange and equipment assembly holes.
- Plate leveling to improve flatness before fabrication.
- Shot blasting and primer coating for temporary corrosion protection.
Quality Assurance
Inspection & Testing
Raw material identification (PMI)
Chemical composition analysis (Spectrometer)
Heat treatment process verification
Tensile strength testing
Yield strength testing
Elongation testing
Charpy V-notch impact testing (when specified)
Hardness testing
Dimensional inspection
Surface visual inspection
Ultrasonic Testing (UT)
Certifications
|
Certification |
Meaning |
|
ISO 9001:2015 |
Quality Management System |
|
ISO 14001:2015 |
Environmental Management System |
|
EN 10204 3.1 |
Mill Test Certificate issued by manufacturer |
|
EN 10204 3.2 |
Third-party witnessed inspection certificate |
|
PED 2014/68/EU (when required) |
Compliance for European pressure equipment |
|
ASTM A537 |
Standard specification for heat-treated carbon steel pressure vessel plates |
|
ASME SA537 |
ASME equivalent specification for boiler and pressure vessel applications |
Packaging & Shipping
Export Packing: Steel strips bundling with steel identification tags.
Rust Protection: Bare surface, anti-rust oil, or shop primer according to customer requirements.
Shipping Method: FCL, LCL, break bulk, or bulk vessel depending on order size.
Marking: Heat number, grade, dimensions, plate number, and customer PO marked on each plate.
FAQ
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