Products Description
ASTM pressure vessel steel plates are steel plates conforming to the standards and specifications of the American Society for Testing and Materials, specifically designed for manufacturing pressure vessels such as boilers, storage tanks, reactors, and heat exchangers. They are high-strength, high-toughness steel plates. The most commonly used series is ASTM A516. ASTM A516 Grade 70 is a carbon steel plate for medium- and low-temperature pressure vessels conforming to ASTM A516/A516M standards. This steel plate is widely used in industries such as petrochemicals, liquefied natural gas (LNG) storage tanks, boilers, and pressure vessel manufacturing. Specific applications include liquefied gas storage tanks, desulfurization towers, boiler drums, and cryogenic heat exchangers.
The main business of Yuxin company is: medium and thick plates, ductile cast iron pipe, seamless pipes, deformed bars, etc. of Angang, Hangang, Wugang, Nangang, Shagang and other steel plants, as well as a variety of steel related products. Please contact us for more product information.
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Comparison of ASME SA516 Grade 70 with Similar Steel Plates
| Feature | ASME SA516 Grade 70 | EN 10028 P355GH | GB 713 Q345R | JIS G3115 SPV355 |
|---|---|---|---|---|
| Standard / Region | ASME / ASTM (USA) | European Norm (Europe) | Chinese National Standard (China) | Japanese Industrial Standard (Japan) |
| Steel Type | Carbon steel plate for pressure vessels, primarily for moderate and lower temperature service . | Non-alloy steel for pressure purposes with specified elevated temperature properties . | Carbon steel plate for pressure equipment with specified elevated temperature properties . | Carbon steel plate for pressure vessels for intermediate and moderate temperature service . |
| Yield Strength (Min) | ≥ 260 MPa | ≥ 235 MPa (for thickness ≤ 16 mm) | ≥ 345 MPa (for thickness ≤ 16 mm) | ≥ 355 MPa |
| Tensile Strength | 485 - 620 MPa | 460 - 640 MPa | 510 - 640 MPa | 520 - 640 MPa |
| Impact Test Temperature | -46 °C . This is a key feature, emphasizing low-temperature toughness. | -20 °C . Standard impact test temperature is higher. | -20 °C . Standard impact test temperature is higher. | 0 °C . Standard impact test temperature is significantly higher. |
| Key Characteristics | - Excellent low-temperature notch toughness . - Widely used in international projects . |
- Optimized for high-temperature performance up to 500°C . - Direct European equivalent. |
- Higher yield strength than SA516 Gr70 . - Widely used in domestic Chinese petrochemical and nuclear projects . - Often seen as a close, but not exact, match to SA516Gr70 . |
- Designed for moderate temperature environments . - Suitable for applications like petroleum storage tanks and reactors . |
| Typical Applications | Low-temperature pressure vessels, oil & gas equipment, storage tanks (e.g., LNG), heat exchangers . | High-temperature boilers, chemical equipment, power station components . | Petrochemical pressure vessels, nuclear power components, steam drums . | Medium-temperature storage tanks (e.g., petroleum), reactors . |
| Heat Treatment | Typically normalized, especially for thicker plates or when impact testing is required (e.g., > 40mm) . | Normalized . | Hot-rolled or normalized, depending on thickness and performance requirements . | Hot-rolled or normalized . |
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why choose our products
Excellent Low-Temperature Toughness: A516 Grade 70 maintains toughness at -45°C, with impact energy ≥20 J, and some steel mill products can achieve ≥40 J, making it suitable for low-temperature pressure vessels.
Good Weldability: With a low carbon equivalent, it is suitable for various welding methods such as SMAW, SAW, and TIG, and the post-weld microstructure remains stable.
Cost-effective: Compared to some low-alloy steels, A516 Gr70 offers a higher cost-performance ratio.
High-temperature performance: Generally, when temperatures exceed 345°C, other materials such as Cr-Mo steel (e.g., SA387) should be selected.
Corrosion resistance: It has limited corrosion resistance and typically requires coating or the use of stainless steel composite plates to enhance corrosion resistance.
Our Certificates
who choose us?
1.Quality Assurance and Traceability
Factory Warranty: Each piece of steel plate (such as A516GR70) we provide comes with a factory warranty issued by the steel mill, ensuring that the chemical composition and mechanical properties comply with international standards such as ASME, ASTM, EN or GB.
Third-party testing: We support third-party testing institutions such as SGS and BV for pre-loading inspections, or we can accept the testing standards specified by the customers to ensure that the materials are 100% qualified.
Full-process traceability: From steelmaking, rolling to heat treatment (such as normalizing), we have complete production process records to ensure the stability and traceability of material performance.
2. Professional Material Selection and Technical Support
Precise Material Selection: Many purchasing mistakes occur because the wrong grade of material is chosen. We not only sell materials but also offer material selection advice. If you are unsure whether to use A516GR70 or P355GH, our technical team can recommend the most suitable and cost-effective material for you based on the design temperature, medium, and pressure of your equipment.
Alternative solution optimization: If a certain brand is out of stock or has an excessively high price, we can leverage our expertise to provide an alternative brand with similar performance (such as replacing the American standard A516GR70 with the European standard P355GH), and analyze the impact of the substitution to help you avoid risks.
3. Flexible Inventory and Short Delivery Period
Spot Advantage: We have ample stock in stock for commonly used specifications (such as container plates with thickness ranging from 6mm to 150mm), and can deliver within 7 to 15 days, which is significantly shorter than the direct production cycle of the steel mills.
Tension Rolling Service: For special dimensions (such as fixed width, fixed length) or special requirements (such as -50℃ low-temperature impact, flaw detection), we can leverage our close partnership with the steel mill to achieve rapid tension rolling. Even for small order quantities, we can also accept orders.
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FAQ
Q: What is the standard steel for pressure vessels?
A: While there are multiple grades of PVQ steel, ASTM A516 and ASTM A537 are most commonly used for pressure vessel applications due to their balance of strength and ductility.
Q: How thick is pressure vessel steel plate?
A: We stock pressure vessel steel plate up to 250mm thick, which is certified to all leading European, American, and British grades. The sulphur and phosphorus contents are low, the steel is vacuum degassed, and calcium treated.
Q: What is the plate material used in pressure vessels?
A: ASTM A516 / SA516 plate material is the standard specification for pressure vessel fabrication. ASTM A537 / SA537 plate material is heat-treated, carbon-manganese silicon steel.
Q: Why is steel used in pressure vessels?
A: Pressure vessel steel is versatile in its nature, depending on the selected grade, the material can inherit properties that make it better suited to different applications that may require enhanced resistance to chemical corrosion, temperature variations or greater tensile strength.
Q: What is the material of pressure vessel steel?
A: Carbon steel is frequently used as a material for pressure vessels, and for good reason. It is resistant to melting, cracking, and other forms of damage. Carbon steel resists shock and vibrations and has high tensile strength.
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