| Standard | Grade | OD | Thickness | Length | Main Usage |
| GB/T3091 | Q195 / Q215(A/B) / Q235(A/B) / Q275(A/B) / Q295(A/B) / Q345(A/B) | 168-1820mm | 5-50mm | 3-12M |
This standard is applicable to water, air, steam heating, gas, such as low pressure fluid conveying in welded steel pipe |
Process:LSAW - UO(UOE)、RB(RBE)、JCO(JCOE,COE)
DSAW -Double Submerged arc welded
Usage:Used for low pressure liquid delivery, such as water, gas, and oil.
Standard:API 5L, API 5CT, ASTM 53, EN10217, DIN 2458, IS 3589, GB/T3091, GB/T9711
Certificate:API 5L PSL1 / PSL2, API 5CT
Out Diameter:323.9mm-1820mm(12''-72'')
Wall Thickness:5.0 - 50mm
Length:6 – 12m
Steel Grade:API 5L: GR B, X42, X46, X56, X60, X65, X70
ASTM A53: GR A, GR B, GR C
EN: S275, S275JR, S355JRH, S355J2H
GB: Q195, Q215, Q235, Q345, L175, L210, L245, L320, L360- L555
Surface:Fusion bond Epoxy coating, Coal Tar Epoxy, 3PE, Vanish Coating, Bitumen Coating, Black Oil coating as per customer’s requirement
Test:Chemical Component Analysis, Mechanical Properties (Ultimate tensile strength, Yield strength, Elongation), Technical Properties (Flattening Test, Bending Test, Blow Test, Impact Test), Exterior Size Inspection, Hydrostatic Test, X-ray Test.
Mill Test Certificate:EN 10204/3.1B
OD/mm
WT/mm
6
10
12
16
18
20
22
25
28
30
32
35
36
38
40
50
55
58
60
406.4
√
√
√
√
√
√
√
√
√
√
457.2
√
√
√
√
√
√
√
√
√
√
508
√
√
√
√
√
√
√
√
√
√
0
0
0
559
√
√
√
√
√
√
√
√
√
√
0
0
0
610
√
√
√
√
√
√
√
√
√
√
0
0
0
660
√
√
√
√
√
√
√
√
√
√
0
0
0
0
711
√
√
√
√
√
√
√
√
√
0
0
0
0
762
√
√
√
√
√
√
√
√
√
0
0
0
0
813
√
√
√
√
√
√
√
√
√
0
0
0
0
Y
Y
863
√
√
√
√
√
√
√
√
0
0
0
0
Y
Y
Y
915
√
√
√
√
√
√
√
√
0
0
0
0
Y
Y
Y
Y
965
√
√
√
√
√
√
√
√
0
0
0
0
Y
Y
Y
Y
1016
√
√
√
√
√
√
√
√
0
0
0
0
Y
Y
Y
Y
1066
√
√
√
√
√
√
0
0
0
0
Y
Y
Y
Y
1117
√
√
√
√
√
√
0
0
0
0
Y
Y
Y
Y
1168
√
√
√
√
√
√
0
0
0
0
Y
Y
Y
Y
1217
√
√
√
√
√
√
0
0
0
0
Y
Y
Y
Y
1320
√
√
√
√
√
√
0
0
0
0
Y
Y
Y
Y
1422
√
√
√
√
√
√
0
0
0
0
Y
Y
Y
Y
Length within 12m √
Length within 10m 0
Length within 8m Y
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