TORICH INTERNATIONAL LIMITED
TORICH INTERNATIONAL LIMITED The Steel Tube Maker
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JIS G 3463 Austenitic Stainless Steel for Boiler and Heat Exchanger Tubes
Seamless steel tubes for pressure purposes
Application:for Boiler and Heat Exchanger Tubes
Dimension: 5-420mm *0.5-50mm
Delivery condition: Hot finished cold finished
Steel Grade:304 316 317 347
Hardness: HRB 90max
| STEEL GRADE AND CHEMICAL COMPOSITIONS | ||||||||||
| Seel Grade | Class | C | Si | Mn | P | S | Ni | Cr | Mo | etc |
| SUS 304TB | Austenitic | 0.08max | 1.00max | 2.00max | 0.040max | 0.030max | 8.00-11.00 | 18.00-20.00 | - | - |
| SUS 304HTB | 0.04-0.10 | 0.75max | 2.00max | 0.040max | 0.030max | 8.00-11.00 | 18.00-20.00 | - | - | |
| SUS 304LTB | 0.030max | 1.00max | 2.00max | 0.040max | 0.030max | 9.00-13.00 | 18.00-20.00 | - | - | |
| SUS310TB | 0.15max | 1.50max | 2.00max | 0.040max | 0.030max | 19.00-22.00 | 24.00-26.00 | - | - | |
| SUS310STB | 0.08max | 1.50max | 2.00max | 0.040max | 0.030max | 19.00-22.00 | 24.00-26.00 | - |
| |
| SUS 316TB | 0.08max | 1.00max | 2.00max | 0.040max | 0.030max | 10.00-14.00 | 16.00-18.00 | 2.00-3.00 | - | |
| SUS 316HTB | 0.40-0.10 | 0.75max | 2.00max | 0.030max | 0.030max | 11.00-14.00 | 16.00-18.00 | 2.00-3.00 | - | |
| SUS316LTB | 0.030max | 1.00max | 2.00max | 0.040max | 0.030max | 12.00-16.00 | 16.00-18.00 | 2.00-3.00 | - | |
| SUS316TiTB | 0.080max | 1.00max | 2.00max | 0.040max | 0.030max | 10.00-14.00 | 16.00-18.00 | 2.00-3.00 | Ti:5*C %max | |
| SUS317TB | 0.080max | 1.00max | 2.00max | 0.040max | 0.030max | 11.00-15.00 | 18.00-20.00 | 3.00-4.00 | - | |
| SUS317LTB | 0.030max | 1.00max | 2.00max | 0.040max | 0.030max | 11.00-15.00 | 18.00-20.00 | 3.00-4.00 | - | |
| SUS347TB | 0.080max | 1.00max | 2.00max | 0.040max | 0.030max | 9.00-13.00 | 17.00-19.00 | - | Nb:10*C %max | |
| SUS347HTB | 0.40-0.10 | 1.00max | 2.00max | 0.030max | 0.030max | 9.00-13.00 | 17.00-20.00 | - | Nb:8*C %-1.00 | |
| STEEL GRADE AND MECHANICAL PROPERTIES | |||||
| Seel Grade | Tensile trength | Proof strees | Elongation % | ||
| OD＜10mm | OD≥10mm OD＜20mm | OD ≥20mm | |||
| No.11 test piece | No.11 test piece | No.11 test piece | |||
| SUS 304TB | 520 | 205 | 27 | 30 | 35 |
| SUS 304HTB | 520 | 205 | 27 | 30 | 35 |
| SUS 304LTB | 480 | 175 | 27 | 30 | 35 |
| SUS310TB | 520 | 205 | 27 | 30 | 35 |
| SUS310STB | 520 | 205 | 27 | 30 | 35 |
| SUS 316TB | 520 | 205 | 27 | 30 | 35 |
| SUS 316HTB | 520 | 205 | 27 | 30 | 35 |
| SUS316LTB | 480 | 175 | 27 | 30 | 35 |
| SUS316TiTB | 520 | 205 | 27 | 30 | 35 |
| SUS317TB | 520 | 205 | 27 | 30 | 35 |
| SUS317LTB | 480 | 175 | 27 | 30 | 35 |
| SUS347TB | 520 | 205 | 27 | 30 | 35 |
| SUS347HTB | 520 | 205 | 27 | 30 | 35 |
