Products Description
ASTM A516 GR70 steel plate is a high-strength, low-alloy carbon steel plate primarily used in pressure vessel manufacturing. It is the most widely used grade within the ASTM A516 standard, extensively applied in the petroleum, chemical, natural gas, and power industries for the fabrication of pressure vessels, boilers, storage tanks, and pipelines.
Trusted A516 GR70 supplier with global delivery.
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Product Specifications
| Specifications | Numerical Values |
| Carbon (C) | ≤ 0.27 |
| Manganese (Mn) | 0.85 – 1.20 |
| Phosphorus (P) | ≤ 0.035 |
| Sulfur (S) | ≤ 0.035 |
| Silicon (Si) | 0.15 – 0.40 |
| Tensile Strength | 485 – 620 MPa |
| Yield Strength (min) | 260 MPa |
| Elongation (in 200 mm) | ≥ 17% |
| Impact Tested | typically at -50°C for Grade 70 |
Applications
Advantages of ASTM A516 GR70 Carbon Steel Plate for Pressure Vessels
High Strength for Pressure Requirements
With a yield strength ≥260MPa and tensile strength of 485-620MPa, it withstands high internal pressures and resists plastic deformation during prolonged use, ensuring structural stability of equipment.
Superior Weldability
Low carbon content with trace additions of manganese, silicon, and other elements optimizes weldability, minimizing crack formation during welding. Even without preheating, welds maintain strength and toughness matching the base material, eliminating the need for complex post-weld heat treatment.
Full Process Quality Certification
Manufacturers must possess qualifications meeting ASTM A516 quality requirements, covering steelmaking, rolling, heat treatment, and non-destructive testing. Each batch of steel plates ensures traceable performance, preventing equipment failure due to production defects. Yuxin Steel possesses the relevant qualifications and production capacity to ensure stable supply.
High Industry Universality
As a globally recognized standard grade for pressure vessel steel, it offers a stable supply chain. Additionally, related welding materials (e.g., E7018 electrodes) and processing equipment (e.g., standard welding machines) are universally compatible. No special configurations are required for this steel grade, further reducing overall equipment manufacturing costs.
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Company Profile
Yuxin (Tianjin) International Trade Co., Ltd. is a steel agent. The main business of our 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. We can customize various specifications, sizes, materials of the plates and building materials for users with fast delivery time, reliable quality, and favorable prices.If you want to know more about our products, please feel free to send us an email!
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