My first Magazine ASTM A333 Carbon Steel Pipe

ASTM A333 Carbon Steel Pipe

ASTM A333 standard specification for seamless and welded steel pipe for low-temperature service and other applications with required notch toughness.

This specification 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.

Chemical Requirements of ASTM A333
		Composition, %
Element	Grade 1	Grade 3	Grade 6
Carbon, max	0.30	0.19	0.30
Manganese	0.40 – 1.06	0.31 – 0.64	0.29 – 1.06
Phosphorous, max	0.025	0.025	0.025
Sulfur, max	0.025	0.025	0.025
Silicon		0.18-0.37	0.10 min
Nickel		3.18 – 3.82

Tensile Requirements of ASTM A333
The material shall conform to the requirements as proscribed:
	Grade 1		Grade 3		Grade 6
	psi	MPa	psi	MPa	psi	MPa
Tensile Strength, min	55,000	380	65,000	450	60,000	415
Yield Strength, min	30,000	205	35,000	240	35,000	240
Longitudinal Transverse Longitudinal Transverse Longitudinal Transverse
Basic minimum elongation for
walls 5 / 16 in. [ 8 mm ] and over

in thickness, strip tests, and for all small sizes tested in full section When the standard round 2-in. or 50-mm gage length or

35 35 30 20 30 16.5

28 20 22 14 22 12