ASTM A234 WPB — Chemical Composition & Mechanical Properties
ASTM A234 WPB is an ASTM specification for wrought butt-weld fittings (UNS K03006). This sheet summarises its chemical composition limits and minimum mechanical properties. Typical use: general carbon-steel piping, moderate & high temperature.
Chemical composition of ASTM A234 WPB (weight %)
Other elements and limits: Cu 0.40 max; V 0.08 max; Cu+Ni+Cr+Mo 1.00 max; Cr+Mo 0.32 max
Mechanical properties
| Tensile strength, min | 415 MPa |
|---|---|
| Yield strength, min | 240 MPa |
| Elongation, min | 22 % |
| Hardness | 197 HBW |
Heat treatment
Hot-formed (finished 620–980 °C) need not be heat treated; otherwise normalize, anneal or stress relieve
Typical service
General carbon-steel piping, moderate & high 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.
FAQ
ASTM A234 WPB: common questions
What is the minimum yield strength of ASTM A234 WPB?
240 MPa, with a minimum tensile strength of 415 MPa.
What is the carbon content of ASTM A234 WPB?
0.30 max %.
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