Boiler Grade A516 GR-70

Boiler Grade A516 GR-70
A516 Grade 70, also known as ASTM A516 GR-70, is a popular carbon steel plate grade used for pressure vessel fabrication and other applications in the oil, gas, and petrochemical industries. Here are the full specifications and details for A516 Grade 70:Enqury on Whatsapp


Chemical Composition:

Carbon (C) Manganese (Mn) Phosphorus (P) Sulfur (S) Silicon (Si Iron (Fe) Vanadium (V)
0.27-0.31% 0.79-1.06% 0.035% max 0.035% max 0.13-0.45% Balance (the remaining composition)

1.Mechanical Properties:

Tensile Strength (MPa Yield Strength (MPa Elongation:
70,000 – 90,000 38,000 – 45,000 17% – 21%

60-80mm (2.36-3.15 inches) thickness has a different chemical composition with slightly higher manganese and silicon content.


Thickness Width Length Heat Treatment<
5mm – 150mm 1000mm – 4500mm 3000mm – 18000mm As Rolled, Normalized

Boilers and Pressure Vessels: A516 GR-70 steel is a trusted choice for manufacturing boilers and pressure vessels used in various industries, including power generation, petrochemical, and more.

Pipelines: Due to its strength and durability, A516 GR-70 steel finds applications in pipelines for transporting fluids and gases.

Storage Tanks: Storage tanks for storing liquids such as oil and gas often employ A516 GR-70 steel due to its corrosion resistance and reliability.

Structural Components: This steel grade is also used in constructing structural components, ensuring the safety and longevity of buildings and infrastructure.

Additional information

Why Choose A516 GR-70 Steel?

Exceptional Strength: With a high tensile strength of 70,000 to 90,000 MPa, A516 GR-70 steel can withstand extreme pressure and stress.

Reliable Performance: Its consistent chemical composition and mechanical properties ensure reliable performance in critical applications.

Corrosion Resistance: A516 GR-70 steel exhibits excellent resistance to corrosion, enhancing its longevity in challenging environments.

Versatility: From boilers to pipelines, this steel is versatile, making it a top choice for engineers and manufacturers.

When reliability, strength, and performance are non-negotiable, Boiler Grade A516 GR-70 steel rises to the occasion. Its unwavering quality makes it a cornerstone material in industries that demand nothing less than excellence.


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