Specification
ERW Steel Pipe
Electric Resistance Welded Steel Pipe
Usage: Used for low pressure liquid delivery, such as water, gas, and oil. Oil drilling and machinery manufacturing, etc.
Process:
ERW : Electric Resistance Welded pipe
HFI: High Frequency Induction weld pipe
EFW: Electric Fusion Welded Pipe
Standard: API 5L, API 5CT, ASTM 53, EN10217, DIN 2458. IS 3589, JIS G3452, BS1387
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
Wall Thickness
API 5L Line Pipe
STEEL GRADE
API 5L PSL1/PSL2 GR B , X42, X46, X52, X60, X65, X70
STEEL CHEMICAL COMPOSITION
|
STEEL GRADE |
% by mass, Maximum |
||||
|
C |
Si |
Mn |
P |
S |
|
|
GR B |
0.26 |
0.40 |
1.20 |
0.030 |
0.030 |
|
X42 |
0.26 |
0.40 |
1.30 |
0.030 |
0.030 |
|
X46 |
0.26 |
0.40 |
1.40 |
0.030 |
0.030 |
|
X52 |
0.26 |
0.40 |
1.40 |
0.030 |
0.030 |
|
X56 |
0.26 |
0.40 |
1.40 |
0.030 |
0.030 |
|
X60 |
0.26 |
0.40 |
1.40 |
0.030 |
0.030 |
|
X65 |
0.26 |
0.40 |
1.45 |
0.030 |
0.030 |
|
X70 |
0.26 |
0.40 |
1.65 |
0.030 |
0.030 |
MECHANICAL PROPERTIES
|
STEEL GRADE |
Yield strength, min. psi (MPa) |
Tensil strength, min. psi (MPa) |
Elongation in 2 in., min.% |
|
GR B |
245 |
415 |
|
|
X42 |
290 |
415 |
|
|
X46 |
320 |
435 |
|
|
X52 |
360 |
460 |
|
|
X56 |
390 |
490 |
|
|
X60 |
415 |
520 |
|
|
X65 |
450 |
535 |
|
|
X70 |
485 |
570 |
TEST REQUIRED
Chemical Analysis, Mechanical Test, Visusal Inspection , Tension Test, Dimension Check
Bend Test , Flattenting Test, Impact Test, DWT Test, NDT Test
Hydrostatic Test, Hardness Test…..
ASTM A53 GR B Data Sheet
STEEL CHEMICAL COMPOSITION
The steel shall conform to the following requirements as to chemical composition:
|
STEEL GRADE |
Composition Max, % |
||||||||
|
C |
Mn |
P |
S |
Cu |
Ni |
Cr |
Mo |
V |
|
|
GR B |
0.30 |
1.20 |
0.05 |
0.05 |
0.40 |
0.40 |
0.40 |
0.15 |
0.08 |
MECHANICAL PROPERTIES
|
STEEL GRADE |
Tensile Strength ,min, Psi ( MPA) |
Yield Strength , min, psi, ( MPA) |
|
GR B |
60 000 (415) |
350 000 (240) |