ASTM A516 Gr.70 — Chemical Composition & Mechanical Properties
ASTM A516 Gr.70 is an ASTM specification for pressure-vessel plate (UNS K02700). This sheet summarises its chemical composition limits and minimum mechanical properties. Typical use: pressure vessels, plate flanges, moderate & lower temperature.
Chemical composition of ASTM A516 Gr.70 (weight %)
Mechanical properties
| Tensile strength, min | 485 MPa |
|---|---|
| Yield strength, min | 260 MPa |
| Elongation, min | 21 % |
| Hardness | Not specified |
Heat treatment
As-rolled up to 40 mm; normalized above 40 mm (or when specified)
Typical service
Pressure vessels, plate flanges, moderate & lower temperature
Reference information compiled from the published standard for convenience. It does not replace the current edition of the governing standard, which takes precedence. Verify critical dimensions and properties before design, purchase or fabrication. Teshi Engineers & Sales Promoters (P) Ltd accepts no liability for errors or omissions.
Related grades
FAQ
ASTM A516 Gr.70: common questions
What is the minimum yield strength of ASTM A516 Gr.70?
260 MPa, with a minimum tensile strength of 485 MPa.
What is the carbon content of ASTM A516 Gr.70?
0.27 max (≤12.5 mm) to 0.31 max (>100 mm) %.

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