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ASTM SA/A333 Specifications
ASTM A333 standard covers wall seamless and welded carbon and alloy steel pipe intended for use at low temperatures. ASTM A333 alloy 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. Tensile tests, impact tests, hydrostatic tests, and nondestructive electric tests shall be made in accordance to specified requirements.
Size: 21.3mm-406mm
Schedule: 2mm-60mm
Length: Single random length/ Double random length or as customer’s actual request
Mechanical Composition:
A333/A 333M
Grade 1
Grade 6
Grade 8
psi
Mpa
psi
Mpa
psi
Mpa
Tensile strength, min
55000
380
60000
415
100000
690
Yield strength, min
30000
205
35000
240
75000
515
Longitudinal
Trans-
Longitudinal
Trans-
Longitudinal
Trans-
Elongation, min
35
25
30
16.5
22
…
verse
verse
verse
Chemical Composition:
A333/A 333M
Chemical Components
(%)
Grade
C
Si
Mn
P
S
Ni
GR.1
0.30max
…
0.40-1.06
0.025max
0.025max
…
GR.6
0.30max
0.10min
0.29-1.06
0.025max
0.025max
…
GR.8
0.13max
0.13-0.32
0.90max
0.025max
0.025max
8.40-9.60
