Material specification
ASTM A105
Carbon Steel Forgings for Piping Applications
ASTM A105 covers forged carbon steel piping components — flanges, fittings, valves and similar parts — for ambient and higher-temperature service in pressure systems.
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What it covers
- Forged carbon steel flanges and forged fittings.
- Chemical composition and mechanical property requirements defined by the specification.
- Commonly paired with ASME B16.5 and B16.11 dimensional standards.
Practical notes
Points to specify
- A105 is the default carbon steel grade referenced on many flange and forged fitting enquiries.
- Material test certificates are arranged where the enquiry requires them.
Common questions about ASTM A105
- Where is ASTM A105 used?
- Forged carbon steel flanges, forged fittings and similar pressure components in piping systems.
- Can documentation be provided against A105 material?
- Documentation requirements, including material test certificates, are confirmed at the enquiry stage for each order.
More references
General guidance only. Work from the current published edition of the standard and your project specification; sizes, grades, classes and documentation are confirmed per enquiry.