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