ASTM A106 Gr.B — Chemical Composition & Mechanical Properties
ASTM A106 Gr.B is an ASTM specification for seamless pipe (UNS K03006). This sheet summarises its chemical composition limits and minimum mechanical properties. Typical use: high-temperature carbon-steel process & steam piping.
Chemical composition of ASTM A106 Gr.B (weight %)
Other elements and limits: Cu 0.40 max; V 0.08 max; Cr+Cu+Mo+Ni+V 1.00 max
Mechanical properties
| Tensile strength, min | 415 MPa |
|---|---|
| Yield strength, min | 240 MPa |
| Elongation, min | 30 % |
| Hardness | Not specified |
Heat treatment
Hot-finished: none required; cold-drawn: heat treat at 650 °C min
Typical service
High-temperature carbon-steel process & steam piping
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.
FAQ
ASTM A106 Gr.B: common questions
What is the minimum yield strength of ASTM A106 Gr.B?
240 MPa, with a minimum tensile strength of 415 MPa.
What is the carbon content of ASTM A106 Gr.B?
0.30 max %.
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