Seamless carbon and alloy mechanical tubing
Application: for mechanical and pressure use, and also suitable to transporting steam, water, gas and etc.
Grade: A B
Grade and chemical composition
|
Grade |
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 |
Grade and Mechanical Properties
|
Grade |
Tensile point |
Yeild Point |
Elongation |
Delivery Condition |
|
A |
≥330 |
≥205 |
20 |
Annealed |
|
B |
≥415 |
≥240 |
20 |
Annealed |
Dimension and tolerance
|
Pipe type |
Size |
Tolerance | |
|
Cold drawn |
OD |
≤48.3mm |
+/-0.40mm |
|
>60.3mm |
+/-1%mm | ||
|
WT |
+/-12.5% | ||