ASTM A333 / A333M – 16 Standard Specification for Seamless and Welded Steel Pipe for Low-Temperature Service and Other Applications with Required Notch Toughness.
ASTM A333 covers wall seamless and welded carbon and alloy steel pipe intended for use at low temperatures. The pipe shall be made by the seamless or welding process with the addition of no filler metal in the welding operation. All seamless and welded pipes shall be treated to control their microstructure.
Mechanical Properties: Grade 1 Grade 6 Tensile Strength, min, psi (MPa) 55,000 (380) 60,000 (415) Yield Strength, min, psi (MPa) 30,000 (205) 35,000 (240)
CVN Impact (Charpy) Test:
Minimum Impact Test Temperature
Grade 1 -50 (F) -45 (C)
Grade 6 -50 (F) -45 (C)
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