ASTM A312/A312M
Seamless and Welded Austenitic Stainless Steel Pipe
ASTM A312/A312M covers seamless, straight-seam welded and heavily cold-worked austenitic stainless steel pipe for high-temperature and general corrosive service.
What the standard covers
- Pipe manufacturing route
- Heat treatment and chemistry
- Tensile and flattening requirements
- Hydrostatic or nondestructive electric test
What to state on your order
- NPS and schedule or wall thickness
- Grade
- Seamless, welded or heavily cold-worked route
- Length and end preparation
- Testing, marking and MTC requirements
Source basis
- Primary source: ASTM A312/A312M scope and ordering framework, with nominal pipe dimensions commonly referenced to ASME B36.19M. Use the licensed contract editions.
Edition applicability
- This guide does not fix an edition. Confirm the invoked ASTM revision, dimensional standard and any project supplements before manufacture or substitution.
Technical content updated: 2026-07-29
Organizational author: Tsingshan (Shandong) Iron & Steel Co., Ltd..Review method, status and limitations.
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Common grade datasheets
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