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ASTM A519: SEAMLESS CARBON AND ALLOY STEEL MECHANICAL TUBING
SIZE£ºOD20-180mm, WT:2-25mm
Heat Treatments:
- Normalized
- Quenched and Tempered
- Normalized, Quenched and Tempered
- Stress Relieved Annealed
- Full Annealed
Steel Grade and Chemical Composition ( % )
| Steel Grade |
C % |
Mn % |
Si % |
P % |
S % |
Cu % |
Ni % |
Mo % |
Cr % |
V % |
| 1020 |
0.18-0.23 |
0.30-0.60 |
|
0.040 max |
0.050 max |
|
|
|
|
|
| 1025 |
0.22-0.28 |
0.30-0.60 |
|
0.040 max |
0.050 max |
|
|
|
|
|
| 1035 |
0.32-0.38 |
0.60-0.90 |
|
0.040 max |
0.050 max |
|
|
|
|
|
| 1045 |
0.43-0.50 |
0.60-0.90 |
|
0.040 max |
0.050 max |
|
|
|
|
|
| 4130 |
0.28-0.33 |
0.60-0.90 |
0.15-0.35 |
0.040 max |
0.040 max |
|
|
0.15-0.25 |
0.80-1.10 |
|
| 4140 |
0.38-0.43 |
0.75-1.00 |
0.10-0.35 |
0.040 max |
0.040 max |
|
|
0.15-0.25 |
0.80-1.10 |
|
| Dimensional Tolerance |
| Type of the Steel pipe |
Out Diameter |
Wall Thickness |
| Cold Drawn Pipe |
Out Diameter |
Tolerance ange |
Tolerance Range |
| £¾25.4 |
¡À 0.1 |
0-20% |
| 25.4-38.1 |
¡À 0.15 |
| 38.1-50.8 |
¡À 0.2 |
0-22% |
| 50.8-63.5 |
¡À 0.25 |
| 63.5-76.2 |
¡À 0.3 |
| 76.2-101.6 |
¡À 0.38 |
| 101.6-180 |
-0.64 / +0.38 |
|
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