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DIN 17455-85 Welded Stainless Steel Tubes
This standard specifies technical delivery conditions for general purpose welded circular tubes made of stainless ferritic or austenitic steels.Tubes of this kind may be used in construction or in the food,parmaceutical and automobile industries,as well as for domestic installations or decorative purposes.
Description
1.Chemical composition
| Grade | Mfg .process | Chemical composition (%) | ||||||||
C (max) | Si | Mn | P | S (max) | Ni | Cr | Mo | others | ||
| X6CrTi12 | W | 0.08 | - | - | - | - | 10.5-12.5 | - | Tl:6x%C 1.00max | |
| X6Cr17 | W | 0.08 | - | - | - | - | 15.5-17.5 | - | - | |
| X6CrTi17 | W | 0.08 | - | - | - | - | 16.0-18.0 | - | TI：7x%C 1.00max | |
| X5CrNi1810 | W | 0.07 | - | - | - | - | 17.0-19.0 | - | - | |
| X2CrNi1911 | W | 0.03 | - | - | - | - | 18.0-20.0 | - | - | |
| X2CrNiN1810 | W | 0.03 | - | - | - | - | 17.0-19.0 | - | N:0.12-0.22 | |
| X6CrNiTi1810 | W | 0.08 | - | - | - | - | 17.0-19.0 | - | Ti：5x%C 0.8max | |
| X5CrNiN61810 | W | 0.08 | - | - | - | - | 17.0-19.0 | - | Nb：10x%C 1.00max | |
| X5CrNiMo17122 | W | 0.07 | - | - | - | - | 16.5-18.5 | 2.0-2.5 | - | |
| X2CrNiMo17132 | W | 0.030 | - | - | - | - | 16.5-18.5 | 2.0-2.5 | - | |
| X2CrNiMoTi17122 | W | 0.08 | - | - | - | - | 16.5-18.5 | 2.0-2.5 | Ti：5x%C 0.8max | |
| X6CrNiMoN17133 | W | 0.030 | - | - | - | 0.025 | 16.5-18.5 | 2.5-3.0 | N:0.14-0.22 | |
| X2CrNiMo18143 | W | 0.030 | - | - | - | 0.025 | 17.0-18.5 | 2.5-3.0 | - | |
| X5CrNiMo17133 | W | 0.07 | - | - | - | 0.025 | 17.0-18.5 | 2.5-3.0 | - | |
| X2CrNiMoN17135 | W | 0.030 | - | - | - | 0.025 | 16.5-18.5 | 4.0-5.0 | N:0.12-0.22 | |
2.mechanical property
| Grade | Materia number | Tensile Test Mpa | Remarks （similar to JIS） | |
| Min Yield point | Tensile Strength | |||
| X6CrTi12 | 1.4512 | 190 | 390-560 | |
| X6Cr17 | 1.4018 | 270 | 450-600 | |
| X6CrTi17 | 1.4510 | 270 | 430-600 | |
| X5CrNi1810 | 1.4301 | 195 | 500-720 | |
| X2CrNi1911 | 1.4306 | 180 | 460-680 | |
| X2CrNiN1810 | 1.4311 | 270 | 550-760 | |
| X6CrNiTi1810 | 1.4541 | 200 | 500-730 | |
| X5CrNiN61810 | 1.4550 | 205 | 510-740 | |
| X5CrNiMo17122 | 1.4401 | 205 | 510-710 | SUS316TB |
| X2CrNiMo17132 | 1.4404 | 190 | 490-690 | SUS316THB |
| X2CrNiMoTi17122 | 1.4571 | 210 | 500-730 | SUS321TB |
| X6CrNiMoN17133 | 1.4429 | 295 | 580-800 | |
| X2CrNiMo18143 | 1.4435 | 190 | 490-690 | |
| X5CrNiMo17133 | 1.4436 | 205 | 510-710 | |
| X2CrNiMoN17135 | 1.4439 | 285 | 580-800 | |
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