What are the properties of ASTM A516 GR 70?

ASTM A516 Grade 70 is a carbon steel plate material commonly used for pressure vessels and boilers due to its excellent properties. Here are its key attributes:

Properties of ASTM A516 GR 70

1. Mechanical Properties

• Tensile Strength: 70,000–90,000 psi (485–620 MPa)
• Yield Strength: ≥ 38,000 psi (260 MPa)
• Elongation: ≥ 21% in 2 inches

2. Chemical Composition (Maximum percentages):

• Carbon (C): 0.28%
• Manganese (Mn): 0.85–1.20%
• Phosphorus (P): 0.035%
• Sulfur (S): 0.035%
• Silicon (Si): 0.15–0.40%

3. Key Features

• High Strength and Durability: Ideal for high-pressure applications.
• Good Ductility: Allows it to withstand stress and deformation without cracking.
• Weldability: Easily weldable with standard techniques.
• Low-Temperature Resistance: Effective in environments requiring good toughness at lower temperatures.

4. Applications

• Pressure vessels, storage tanks, and boilers.
• Industries such as oil & gas, chemical processing, and power generation.

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