TORICH INTERNATIONAL LIMITED
TORICH INTERNATIONAL LIMITED The Steel Tube Maker
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Material: SUS 304 TP, SUS 304 HTP, SUS 304 LTP, SUS 316 TP, SUS 316 HTP, SUS 316 LTP, other material is also available.
Size Range: O.D.: 3.2 - 200 mm W.T.: 0.5 - 30 mm Length: As per client requested.
Chemical Composition
| Grade | C | Si | Mn | P | S | Ni | Cr | Mo |
| SUS 304 TP | 0.08 max | 1.00 max | 2.00 max | 0.040 max | 0.030 max | 8.00-11.00 | 18.00-20.00 | --- |
| SUS 304 HTP | 0.04-0.10 | 0.75 max | 2.00 max | 0.040 max | 0.030 max | 8.00-11.00 | 18.00-20.00 | --- |
| SUS 304 LTP | 0.03 max | 1.00 max | 2.00 max | 0.040 max | 0.030 max | 9.00-13.00 | 18.00-20.00 | --- |
| SUS 316 TP | 0.08 max | 1.00 max | 2.00 max | 0.040 max | 0.030 max | 10.00-14.00 | 16.00-18.00 | 2.00-3.00 |
| SUS 316 HTP | 0.04-0.10 | 0.75 max | 2.00 max | 0.040 max | 0.030 max | 11.00-14.00 | 16.00-18.00 | 2.00-3.00 |
| SUS 316 LTP | 0.03 max | 1.00 max | 2.0 max | 0.030 max | 0.030 max | 12.00-16.00 | 16.00-18.00 | 2.00-3.00 |
Tensile and hardness requirements
| Grade | Tensile Strength N/mm² min | Yeild Strength N/mm² min | Elongation% min | |||
| No.11 test piece No.12 test piece | No.5 test piece | No.4 test piece | ||||
| Longitudinal direction | Transverse direction | Longitudinal direction | Transverse direction | |||
| SUS 304 TP | 520 | 205 | 35 | 25 | 30 | 22 |
| SUS 304 HTP | 520 | 205 | 35 | 25 | 30 | 22 |
| SUS 304 LTP | 480 | 175 | 35 | 25 | 30 | 22 |
| SUS 316 TP | 520 | 205 | 35 | 25 | 30 | 22 |
| SUS 316 HTP | 520 | 205 | 35 | 25 | 30 | 22 |
| SUS 316 LTP | 480 | 175 | 35 | 25 | 30 | 22 |
Tolerance:
Hot finished:
OD<50mm, ±0.5mm WT<4mm, ±0.5mm
OD≥50mm, ±1% WT≥4mm, ±12.5%
Cold finished:
OD<50mm, ±0.5mm WT<4mm, ±0.5mm
OD≥50mm, ±1% WT≥4mm, ±12.5%
