Specification
SSAW Steel Pipe
Process: Spiral Submerged- Arc Welded Steel Pipe
Usage: Used for low pressure liquid delivery, such as water, gas, and oil; construction and piling
Standard: API 5L, API 5CT, ASTM A252, ASTM 53, EN10217, EN10219, BS 5950, ASTM A572 , JIS, IS,
Certificate: EN10217, EN10219, API 5L PSL1/ PSL2, API 5CT
Out Diameter: 219.1mm –3048mm
Wall Thickness: 5.0mm-30mm
Length: Up to 70m
Steel Grade:
API 5L: GR A, GR B, X42,X46, X56, X60,X65,X70
ASTM A252 GR 1, GR 2, GR 3
ASTM A53: GR A, GR B, GR C, GR D
BS 4360: Grade 43, Grade 50
EN: S275, S275JR, S355JRH, S355J2H
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
ASTM A252 Piling Pipe
STEEL GRADE
ASTM A252 GR 1, GR 2, GR 3
STEEL CHEMICAL COMPOSITION
The steel shall conform to the following requirements as to chemical composition:
Phosphorus, maximum (%) : 0.050
MECHANICAL PROPERTIES
|
STEEL GRADE |
Yield strength, min. psi (MPa) |
Tensil strength, min. psi (MPa) |
Elongation in 2 in., min. % |
|
GRADE 1 |
30,000 (205) |
50,000 (345) |
30% |
|
GRADE 2 |
35,000 (240) |
60,000 (415) |
25% |
|
GRADE 3 |
45,000 (310) |
66,000 (455) |
20% |
TEST REQUIRED
Chemical Analysis, Mechanical Test, Visusal Inspection , Tension Test, Dimension Check
EN10219 Structure Pipe
STEEL GRADE
EN10219 S235, S275, S355,etc
STEEL CHEMICAL COMPOSITION
|
STEEL GRADE |
% by mass, Maximum |
|||||
|
C |
Si |
Mn |
P |
S |
N |
|
|
S235JRH |
0.17 |
– |
1.40 |
0.040 |
0.040 |
0.009 |
|
S275JOH |
0.20 |
– |
1.50 |
0.035 |
0.035 |
0.009 |
|
S275J2H |
0.20 |
– |
1.50 |
0.030 |
0.030 |
– |
|
S355JOH |
0.22 |
0.55 |
1.60 |
0.035 |
0.035 |
0.009 |
|
S355J2H |
0.22 |
0.55 |
1.60 |
0.030 |
0.030 |
– |
|
S355K2H |
0.22 |
0.55 |
1.60 |
0.030 |
0.030 |
– |
MECHANICAL PROPERTIES
|
STEEL GRADE |
Yield strength, min. psi (MPa) |
Tensil strength, min. psi (MPa) |
Elongation in 2 in., min. % |
Minimum Impact energy KV J |
||
|
at test temperature of |
||||||
|
-20 |
0 |
20 |
||||
|
S235JRH |
235 |
360 |
24% |
– |
– |
27 |
|
S275JOH |
275 |
430 |
20% |
– |
27 |
– |
|
S275J2H |
355 |
510 |
20% |
27 |
– |
– |
|
S355JOH |
355 |
510 |
20% |
– |
27 |
– |
|
S355J2H |
355 |
510 |
20% |
27 |
– |
– |
|
S355K2H |
355 |
510 |
20% |
40 |
– |
– |
TEST REQUIRED
Chemical Analysis, Mechanical Test, Visusal Inspection , Tensile Test, Dimension Check, NDT ,Impact Test