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Products - Seamless heat-resistant steel tube
DIN17175
| Size: OD16-89mm |
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| WT2-20mm |
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| Length16000mm Max. |
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| Description: |
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| 1. Tubes are made by a seamless process and are cold finished. |
 Mechanical properties |
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Chemical composition |
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St35.8 |
St45.8 |
17Mn4 |
19Mn5 |
15Mo3 |
13CrMo44 |
10CrMo910 |
14MoV63 |
X20CrMoV121 |
| 1 |
Carbon |
≤0.17 |
≤0.21 |
0.14-0.20 |
0.17-0.22 |
0.12-0.20 |
0.10-0.18 |
0.08-0.15 |
0.10-0.18 |
0.17-0.23 |
| 2 |
Silicon |
0.1-0.35 |
0.1-0.35 |
0.20-0.40 |
0.30-0.60 |
0.10-0.35 |
0.10-0.35 |
≤0.50 |
0.10-0.35 |
≤0.50 |
| 3 |
Manganese |
0.40-0.30 |
0.40-1.20 |
0.90-1.20 |
1.00-1.30 |
0.40-0.80 |
0.40-0.70 |
0.40-0.70 |
0.40-0.70 |
≤1.00 |
| 4 |
Phosphorus |
0.04 |
0.04 |
0.04 |
0.04 |
0.035 |
0.035 |
0.035 |
0.035 |
0.03 |
| 5 |
Sulfur, Max. |
0.04 |
0.04 |
0.04 |
0.04 |
0.035 |
0.035 |
0.035 |
0.035 |
0.03 |
| 6 |
Chromium |
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≤0.30 |
≤0.30 |
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0.70-1.10 |
2.00-2.50 |
0.30-0.50 |
10.00-12.50 |
| 7 |
Molybdenum |
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0.25-0.35 |
0.45-0.65 |
0.90-1.20 |
0.50-0.70 |
0.80-1.20 |
| 8 |
Nickel |
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0.30-0.80 |
| 9 |
Vanadium |
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0.22-0.32 |
0.25-0.35 |
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