DIN 17456 seamless steel pipe
DIN 17456 stainless seamless steel pipeDIN 17456 stainless steel pipe is a kind of seamless steel pipe which is used as construction pipe or tubing, pipes for the food, pharmaceutical and automobile industries. and as pipes for domestic installation and for decorative purposes.
chemical composition:| Grade | Mfg. Process | Chemical Composition (%) | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| C | Si | Mn | P | S | Ni | Cr | Mo | Others | ||
| X6CrTi12 | S | 0.08Max | - | - | - | - | - | 10.5~12.5 | - | Ti: 6×%C 1.00Max |
| X6CrAl13 | S | 0.08Max | - | - | - | - | - | 12.0~14.0 | - | Al: 0.010~0.30 |
| X5CrNi1911 | S | 0.030Max | - | - | - | - | 8.5~10.5 | 18.0~14.0 | - | - |
| X6Cr17 | S | 0.08Max | - | - | - | - | - | 15.5~17.5 | - | - |
| X6CrTi17 | S | 0.08Max | - | - | - | - | - | 16.0~18.0 | - | Ti: 7×%C 1.20Max |
| X5CrNi1810 | S | 0.07Max | - | - | - | - | 8.5~10.5 | 17.0~19.0 | - | - |
| X2CrNi1911 | S | 0.03Max | - | - | - | - | 10.5~12.5 | 18.0~20.0 | - | - |
| X2CrNiTi1810 | S | 0.03Max | - | - | - | - | 8.5~10.5 | 17.0~19.0 | - | N: 0.12~0.22 |
| X6CrNiTi1810 | S | 0.08Max | - | - | - | - | 9.0~12.0 | 17.0~19.0 | - | Ti: 5×%C 0.80Max |
| Steel grade | Heat treatment | Maximum HB or HV | Minimum yield stress or 0.2% proof stress N/m2 | Minimum 1% proof stress N/m2 | Tensile N/m2 | Minimum elongation after fracture 2) (Lo=5do %) | Resistance to intercrystalline corrosion | |||
|---|---|---|---|---|---|---|---|---|---|---|
| Symbol | Material | Longitudinal | Transverse | as delivered condition | further processing-welding, no heat treatment | |||||
| X6 CrTi 12 | 1.4512 | 175 | 190 | - | 390 to 560 | 30 | 25 | n.g. | n.g. | |
| X2 CrNi 1911 | 1.4002 | 180 | 250 | - | 400 to 600 | 20 | 15 | n.g. | n.g. | |
| X2 CrNiN 1810 | 1.4006 | Annealed | 200 | 250 | - | 450 to 650 | 20 | 15 | n.g. | n.g. |
| X6 CrNiTi 1810 | 1.4016 | 185 | 270 | - | 450 to 600 | 20 | 15 | n.g. | n.g. | |
| X6 CrNiNb 1810 | 1.4510 | 185 | 270 | - | 450 to 600 | 20 | 15 | g. | g. | |
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