ASTM A537 Class 2 Steel Plate
ASTM A537 Class 2 is a high-strength quenched and tempered (Q+T) steel plate offering 60 ksi yield strength and superior toughness for the most demanding high-pressure vessel projects.
| Material | Carbon Steel (Heat-Treated PVQ) |
|---|---|
| Grade / Standard | ASTM A537 Class 2 / ASME SA537 Class 2 |
| Thickness | 6mm - 300mm |
| Width | 1500mm - 4020mm |
| Length | 3000mm - 18000mm |
| Delivery Condition | hot_rolled / quenched_tempered / tmcp |
| Surface Treatment | bare / shot_blasting / painting / polished |
| MOQ | 1 Piece / 5 Tons |
| Delivery Time | 15-30 Days / In Stock |
| Loading Port | Tianjin / Shanghai / Qingdao |
Overview of ASTM A537 Class 2 Steel Plate
ASTM A537 Class 2 is a high-strength, heat-treated carbon-manganese-silicon steel plate designed specifically for the fabrication of welded pressure vessels and structural components. Unlike Class 1, which is normalized, ASTM A537 Class 2 is always supplied in the Quenched and Tempered (Q+T) condition. This advanced heat treatment process results in significantly higher yield and tensile strength while maintaining exceptional notch toughness, making it the premier choice for the most demanding high-pressure applications.
Shandong Tanglu Metal Material Co., Ltd. specializes in providing high-integrity ASTM A537 Class 2 plates that meet the stringent requirements of the ASME and ASTM standards. This grade is engineered to facilitate the design of lighter, higher-capacity pressure vessels that can operate safely under extreme internal pressures. For B2B buyers in the global petrochemical, energy, and offshore sectors, our A537 Class 2 plates offer an elite, heat-treated solution for critical infrastructure projects.
Key Features and Processing Advantages
The defining feature of ASTM A537 Class 2 is its superior mechanical performance derived from the Quenching and Tempering process. It offers a minimum yield strength of 60,000 psi (415 MPa), which is 20% higher than Class 1 and approximately 60% higher than standard ASTM A516 Grade 70. This exceptional strength-to-weight ratio allows for substantial reductions in plate thickness, which in turn reduces total vessel weight, shipping costs, and welding material consumption.
Despite its high strength, ASTM A537 Class 2 exhibits excellent processing characteristics. It is highly responsive to precision CNC plasma and flame cutting and provides reliable performance during heavy rolling and forming of vessel shells. The balanced chemical composition ensures that the material remains highly weldable, provided that appropriate high-strength welding consumables and procedures are utilized. For B2B procurement, the standardized quality and expert Q+T heat treatment of our A537 Class 2 plates ensure maximum safety and compliance with the most rigorous international pressure vessel codes.
Main Applications of ASTM A537 Class 2 Steel Plate
ASTM A537 Class 2 steel plate is a vital material for the most critical industrial containment systems. It is extensively used in the fabrication of high-pressure storage tanks, spherical LPG/LNG gas holders, and heavy-duty industrial boilers. In the oil and gas industry, it is a preferred material for high-pressure separator vessels, refinery columns, and petrochemical reactors that operate under extreme stress conditions.
Why Choose Us for ASTM A537 Class 2 Steel Plate
Shandong Tanglu Metal Material Co., Ltd. is your professional B2B partner for ASTM A537 Class 2 Q+T steel. We understand that in high-pressure engineering, there is no room for error, which is why we source our plates from top-tier mills equipped with advanced heat-treatment facilities. Every plate is supplied with original Mill Test Certificates (MTC) providing full traceability and verifying compliance with the ASTM A537 Class 2 specification.
📐 Dimension & Size Table
| Thickness (mm) | Width (mm) | Length (mm) | Weight (kg/m²) |
|---|---|---|---|
| 8 | 2000 | 6000-12000 | 62.8 |
| 10 | 2000 | 6000-12000 | 78.5 |
| 16 | 2500 | 6000-12000 | 125.6 |
| 20 | 2500 | 6000-12000 | 157.0 |
| 40 | 3000 | 6000-12000 | 314.0 |
| 50 | 3000 | 6000-12000 | 392.5 |
| 80 | 2500 | 6000 | 628.0 |
| 100 | 2000 | 6000 | 785.0 |
| 200 | 2000 | 4000 | 1570.0 |
* Custom sizes available upon request. Tolerances per relevant international standards.
🔬 Chemical Composition
| Element | Min | Max | Display Value | Note |
|---|---|---|---|---|
| C | - | 0.24 | ≤0.24 | Based on thickness |
| Mn | 0.70 | 1.60 | 0.70-1.60 | High load capacity |
| Si | 0.15 | 0.50 | 0.15-0.50 | - |
| P | - | 0.035 | ≤0.035 | - |
| S | - | 0.035 | ≤0.035 | - |
* Chemical composition may vary by heat, thickness and specification. Please refer to the actual mill test certificate.
⚙️ Mechanical Properties
| Property | Value | Unit | Test Condition |
|---|---|---|---|
| Yield Strength | ≥415 | MPa | 60 ksi minimum |
| Tensile Strength | 550 - 690 | MPa | 80-100 ksi |
| Elongation | ≥22 | % | in 200mm |
* Values shown are minimum requirements unless otherwise stated.
📦 Commercial Information
| Packaging | Standard seaworthy export packing, bundled with high-strength steel strips, angle iron protection, and waterproof identification tags for full traceability. |
|---|---|
| Payment Terms | tt lc dp western_union paypal |
| Price Term | FOB / CFR / CIF / EXW |
| Supply Capacity | 10,000 Tons/Month |
| Loading Port | Tianjin / Shanghai / Qingdao |
Why Choose Our ASTM A537 Class 2 Steel Plate?
Ultra-High Strength Q+T Steel
Offers a 60 ksi yield strength through advanced quenching and tempering, enabling maximum safety for extreme pressure vessels.
Optimized Weight-to-Strength Ratio
High strength allows for thinner wall designs, significantly reducing the total material weight and fabrication costs for large-scale vessels.
Superior Low-Temp Toughness
The Q+T process ensures a fine, tempered martensitic structure, resulting in exceptional impact resistance even in harsh environments.
Fully Traceable MTC Documentation
Supplied with comprehensive MTC documents providing full chemical analysis and heat-treatment verification for absolute project safety.
Heavy Plate Availability up to 300mm
We offer heavy-thickness plates with specialized Q+T treatments for the most demanding offshore and high-pressure petrochemical projects.
Professional CNC Cutting & Beveling
We provide precision CNC cutting and beveling services to deliver plates tailored exactly to your specific engineering drawings.
🏭 Applications of ASTM A537 Class 2 Steel Plate
ASTM A537 Class 2 is the premier choice for extreme high-pressure service. It is critical for spherical gas tanks, high-pressure boilers, refinery reactors, and subsea offshore structural components.
📋 Quality & Certification
Our Certifications
- ✅ ISO 9001:2015
- ✅ CE Marking
- ✅ ABS
- ✅ DNV GL
- ✅ Lloyd's Register (LR)
- ✅ Bureau Veritas (BV)
- ✅ SGS Certified
Mill Certificate Type
- 📋 EN 10204 3.1
- 📋 EN 10204 3.2
- 📋 Original Mill Certificate
❓ Frequently Asked Questions
What is the main difference between ASTM A537 Class 1 and Class 2?
Class 1 is Normalized (50 ksi yield), whereas Class 2 is Quenched and Tempered (60 ksi yield), offering higher strength for more critical applications.
When should I choose Class 2 over Class 1?
Choose Class 2 when your design requires maximum strength to reduce wall thickness or when operating under extremely high internal pressures.
Is A537 Class 2 suitable for low-temperature service?
Yes, the Quenched and Tempered process provides excellent notch toughness, making it highly suitable for moderate to low-temperature environments.
Do you offer additional ultrasonic testing (UT)?
Yes, we provide UT testing to Level S1, S2, or S3 to ensure internal soundness for high-stress industrial vessel applications.
What is the maximum thickness available for A537 Class 2?
We can supply A537 Class 2 plates up to 300mm thick, with specialized Q+T processing to ensure uniform properties through the entire thickness.
Get a Quote for
ASTM A537 Class 2 Steel Plate
Submit your requirements and receive a competitive price quote within 24 hours.
- ✓ Fast response within 24 hours
- ✓ Competitive factory-direct pricing
- ✓ Free technical consultation
- ✓ Mill test certificate provided
- ✓ Flexible payment terms available
⏱ Response within 24 hours
Send Your Inquiry
All fields marked with * are required