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Products - Seamless steel tube for low temperature service
ASTM A333
Size: OD16-89mm
WT2-20mm
Length16000mm Max.
Description:
1. Tubes are made by a seamless process and are cold finished.
| Chemical composition |
| |
Grade 1 |
Grade 3 |
Grade 4 |
Grade 6 |
Grade 7 |
Grade 8 |
Grade 9 |
Grade 10 |
Grade 11 |
| Carbon, Max. |
0.3 |
0.19 |
0.12 |
0.3 |
0.19 |
0.13 |
0.2 |
0.2 |
0.1 |
| Manganese |
0.40-1.06 |
0.31-0.64 |
0.50-1.05 |
0.29-1.06 |
≤0.90 |
≤0.90 |
0.40-1.06 |
1.15-1.50 |
≤0.60 |
| Phosphorus, Max. |
0.025 |
0.025 |
0.025 |
0.025 |
0.025 |
0.025 |
0.025 |
0.035 |
0.025 |
| Sulfur, Max. |
0.025 |
0.025 |
0.025 |
0.025 |
0.025 |
0.025 |
0.025 |
0.025 |
0.025 |
| Silicon |
|
0.18-0.37 |
0.08-0.37 |
≥0.10 |
0.13-0.32 |
0.13-0.32 |
|
0.10-0.35 |
≤0.35 |
| Nickel |
|
3.18-3.82 |
0.47-0.98 |
|
2.03-2.57 |
8.40-9.60 |
1.60-2.24 |
≤0.25 |
35.0-37.0 |
| Chromium |
|
|
0.44-1.01 |
|
|
|
|
≤0.15 |
≤0.50 |
| Copper |
|
|
0.40-0.75 |
|
|
|
0.75-1.25 |
≤0.15 |
|
| Aluminum |
|
|
0.04-0.30 |
|
|
|
|
≤0.06 |
|
| Vanadium, Max. |
|
|
|
|
|
|
|
0.12 |
|
| Columbium, Max. |
|
|
|
|
|
|
|
0.05 |
|
| Molybdenum, Max. |
|
|
|
|
|
|
|
0.05 |
≤0.50 |
| Cobalt |
|
|
|
|
|
|
|
|
≤0.50 |
| |
|
|
|
|
|
|
|
|
|
| Mechanical properties |
| |
Grade 1 |
Grade 3 |
Grade 4 |
Grade 6 |
Grade 7 |
Grade 8 |
Grade 9 |
Grade 10 |
Grade 11 |
| Tensile strength / Mpa |
380 |
450 |
415 |
415 |
450 |
690 |
435 |
550 |
450 |
| Yield strength / Mpa |
205 |
240 |
240 |
240 |
240 |
515 |
315 |
450 |
240 |
|
