PIPE, STEEL, BLACK AND HOT-DIPPED, ZINC-COATED, WELDED AND SEAMLESS
 |
Standard: ASTM A53/A53M. Steel grade: A, B Size: OD (6-610 mm) x WT (1-50mm) Application: Conveying water, petroleum, gas and other common fluids. |
Tolerance on dimension
|
OD Tolerance |
WT Tolerance |
Weight Tolerance |
|
|
NPS≦1 1/ |
± |
≧ -12.5% |
±10% |
|
NPS≧ |
± 1% |
||
Chemical Composition
|
Grade |
Chemical Composition (%) Max. |
||||||||
|
C |
Mn |
P |
S |
Cu |
Ni |
Cr |
Mo |
V |
|
|
A |
0.25 |
0.95 |
0.05 |
0.045 |
0.40 |
0.40 |
0.40 |
0.15 |
0.08 |
|
B |
0.30 |
1.20 |
0.05 |
0.045 |
0.40 |
0.40 |
0.40 |
0.15 |
0.08 |
Mechanical Properties
|
Grade |
Tensile Strength(Mpa), Min. |
Yield Strength(Mpa), min. |
Elongation (%) |
|
A |
330 |
205 |
Check the table of ASTM A53. |
|
B |
415 |
240 |