ASTM A335 standard for use in high temperature nominal wall thickness and minimum wall thickness of seamless ferritic alloy steel pipe. The pipe shall be suitable for bending, crimping (hot rolling shut-off) and similar forming processes as well as fusion welding. ASTM A335 P12 is one of the steel grades in the ASTM A335 Standard Specification.
ASTM A335 Standard Specification for Seamless Ferritic Alloy-Steel Pipe for High-Temperature Service
2. Chemical Requirements
3. Available Size Range
OD: 88.9~1422mm (3''~56'')
WT: 2.11~140mm (Sch10 and above)
4. Tensile Requirements
Tensile Strength min.: 60ksi / 415MPa
Yield Strength min.: 32ks / 220MPa
Hot Rolled or Cold Drawn
6. Manufacturing Process
Raw Material Inspection → Cold Centering → Heating → Piercing & Rolling → SIzing → Heat Treatment → Testing → Finishing → NDE → Visual & Dimension Inspection → Marking → Storing & Shipping
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