ASME SA516 Gr 70 (SA516GR70) Boiler Steel Plate supplier

ASME SA516 Gr 70 (SA516GR70) Boiler Steel Plate

ASME SA516 Gr 70 (SA516GR70) is a high-strength carbon steel plate engineered for pressure vessels and boilers, offering exceptional toughness and weldability for elevated temperature service.

As a leading supplier of ASME SA 516 GR 70 in China, Gangsteel exports premium quality plates compliant with ASME SA516/SA516M standards. This boiler quality steel plate for oil and gas excels in petrochemical, power generation, and chemical industries, delivering reliable performance in high-pressure environments. With optional HIC and NACE MR0175 compliance, ASME SA516 Gr 70 is ideal for sour gas applications. Gangsteel offers large stock, fast global delivery, and competitive pricing, making us your trusted partner for pressure vessel steel plate for sour gas environments.

1.What is ASME SA516 Gr 70 Boiler Steel Plate?

ASME SA516 Gr 70 (SA516GR70) is a normalized carbon steel plate designed for welded pressure vessels and boilers, known for its high tensile strength and excellent notch toughness. Equivalent to ASTM A 516 GR 70, it has a minimum yield strength of 260 MPa and tensile strength of 485-620 MPa. This grade is widely used in applications requiring resistance to low-temperature impacts and corrosion, such as oil and gas storage tanks and petrochemical reactors. Gangsteel’s ASME SA 516 GR 70 plates are manufactured to meet ASME, EN, JIS, and DIN standards, ensuring seamless integration into global projects like refineries and power plants.、

2.Chemical Composition of ASME SA516 Gr 70

The ASME SA516 Gr 70 chemical composition is optimized for strength, weldability, and corrosion resistance:

This composition, with low carbon and impurity levels, supports excellent weldability and HIC resistance for boiler quality steel plate for petrochemical applications.

3.Mechanical Properties of ASME SA516 Gr 70

The ASME SA516 Gr 70 mechanical properties ensure robust performance in high-pressure boiler systems:

These properties make ASME SA 516 GR 70 ideal for demanding pressure vessel applications, with optional low-temperature impact testing for added safety.

4. Equivalent Grades of ASME SA516 Gr 70

ASME SA516 Gr 70 has international equivalents for global compatibility:

These ASME SA516 Gr 70 equivalent grades ensure seamless substitution in boiler and pressure vessel designs worldwide.、

5. ASME SA516 Gr 70 vs ASTM A36 Steel

Comparing ASME SA516 Gr 70 vs A36 steel, SA516 Gr 70 is designed for pressure vessels with normalized condition for superior toughness and higher tensile strength (485-620 MPa vs A36's 400-550 MPa), while A36 is suited for general structural applications with a lower yield strength (250 MPa vs 260 MPa). SA516 Gr 70’s tighter impurity controls and optional HIC testing make it ideal for pressure vessel steel plate for oil refineries, whereas A36 is better for non-pressure structures. Choose SA516 Gr 70 for high-pressure, corrosive environments.

6. Applications of ASME SA516 Gr 70 Boiler Steel Plate

The ASME SA 516 GR 70 is used in:

• Oil and Gas: Storage tanks and pipelines, especially with HIC/NACE compliance for sour gas environments.
• Petrochemical: Reactors and heat exchangers handling corrosive chemicals.
• Power Generation: Boilers and steam drums for high-pressure operations.
• Chemical Industry: Vessels for aggressive media processing.

Gangsteel’s expertise in pressure vessel steel plate for sour gas environments ensures compliance for critical applications.

7. Specification of ASME SA516 Gr 70 Boiler Steel Plate

Gangsteel offers customizable dimensions for SA516 Gr 70:

These specifications support precise fabrication for boilers and pressure vessels, with tolerances per ASME SA20.

8. Available Sizes and Supply Conditions

Gangsteel maintains a large inventory of ASME SA516 Gr 70, with thicknesses from 6mm to 300mm, widths from 1500mm to 4050mm, and lengths up to 18000mm. Supply conditions include:

• As-Rolled: For plates ≤ 40mm, cost-effective for standard applications.
• Normalized: For plates > 40mm, enhancing toughness and uniformity.
• HIC/NACE Tested: Per NACE MR0175/ISO 15156 for sour gas environments.
• Custom Services: Plasma cutting, beveling, ultrasonic testing, and surface priming for corrosion protection.

With over 10,000 tons in stock, Gangsteel ensures 7-15 day delivery globally, with competitive ASME SA516 Gr 70 steel price per ton for bulk orders.

9. FAQ – Frequently Asked Questions about ASME SA516 Gr 70 Boiler Steel Plate

1. What is ASME SA516 Gr 70 used for?

ASME SA516 Gr 70 is used for boilers and pressure vessels in oil, gas, and petrochemical industries, ideal for boiler quality steel plate for oil and gas with HIC resistance.

2. What are the mechanical properties of ASME SA516 Gr 70?

The ASME SA516 Gr 70 mechanical properties include a minimum yield of 260 MPa, tensile of 485-620 MPa, and elongation of 21% in 200mm, ensuring durability in high-pressure applications.

3. What is the chemical composition of ASME SA516 Gr 70?

The ASME SA516 Gr 70 chemical composition features low carbon (≤ 0.31%) and tight impurity controls for weldability and corrosion resistance.

4. What are the equivalent materials for ASME SA516 Gr 70?

Equivalents include ASTM A 516 GR 70, EN P355GH, and JIS SPV355, per ASME SA516 Gr 70 equivalent grades.

5. What is the difference between ASME SA516 Gr 70 and A36 steel?

SA516 Gr 70 is optimized for pressure vessels with better toughness, while A36 is for general structural use with lower strength, making ASME SA516 Gr 70 vs A36 steel preferable for high-pressure boilers.

6. Where can I buy ASME SA516 Gr 70 plates in China?

Gangsteel, a leading ASME SA516 Gr 70 supplier China, offers stock-ready plates with HIC/NACE options for immediate delivery.

7. What is the price of ASME SA516 Gr 70 steel per ton?

The ASME SA516 Gr 70 steel price per ton varies by quantity and specifications; contact Gangsteel for competitive quotes and bulk discounts.

8. What supply conditions are available for ASME SA516 Gr 70 plates?

As-rolled, normalized, or HIC/NACE-tested, with customization for cutting and testing to meet project demands.

10. Why Buy ASME SA516 Gr 70 from GANGSTEEL?

Gangsteel is a trusted ASME SA516 Gr 70 supplier China, offering a vast inventory of ASME SA 516 GR 70 with 7-15 day delivery and MTC EN 10204 3.1 certification. We provide value-added services like plasma cutting, beveling, and ultrasonic testing to ensure compliance with global standards. Explore related grades: ASME SA 516 GR 65, ASME SA 516 GR 60, ASME SA 516 GR 55, ASTM A 516 GR 65, ASTM A 516 GR 60, ASTM A 516 GR 55. Choose Gangsteel for your boiler quality steel plate for petrochemical applications needs and experience unmatched quality and service.

Keywords: ASME SA516 Gr 70, boiler steel plate, pressure vessel steel