Commodity ASTM DIN-17175 OD-WT (mm) China Grade
Alloy pipe
Fluid pipe
CS pipe
Hydraulic pillar pipe
Line pipe
Marine pipe
Structure pipe ASTM A106-A
ASTM A53-A
ASTM A179-C
ASTM A214-C
ASTM A192
ASTM A226 DIN-17175St 37.2
DIN-17175St 35.8
DIN-17175St 35.4

21--508*4—80
(1/2”—20”)
(SCH10—XXS)


10#
ASTM A106-B
ASTM A53-B
ASTM A178-C
ASTM A315-B
ASTM A210-A- DIN1629 ST42
DIN1629 ST45
21--508*4—80
(1/2”—20”)
(SCH10—XXS)

20#
GB 8163
ASTM 1045 CK45 21--508*4--80 45#
ASTM A210-C DIN1629 ST52.3
DIN1629 ST52.4
DIN1629 ST52
21--508*4—80
(1/2”—20”)
(SCH10—XXS)


16Mn
API J55
K55
N80
L80
P110 4 1/2”—20”