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DIN 17175 alloy steel pipes
DIN 17175 alloy steel pipes are of heat resistant pipe and used for high pressure and up to 600℃, application fileds include: construction of boilers, pipe-lines, pressure vessels and equipment.
Chemical Composition:
Grade | Chemical Composition (%) | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| C | Si | Mn | P | S | Ni | Cr | Mo | Others | |
| St35.8 | 0.17Max | 0.10~0.35 | 0.40~0.80 | 0.040Max | 0.040Max | - | - | - | - |
| St45.8 | 0.21Max | 0.10~0.35 | 0.40~1.20 | 0.040Max | 0.040Max | - | - | - | - |
| 17Mn4 | 0.14~0.20 | 0.20~0.40 | 0.90~1.20 | 0.040Max | 0.040Max | - | 0.30Max | - | - |
| 19Mn5 | 0.17~0.22 | 0.30~0.60 | 1.00~1.30 | 0.040Max | 0.040Max | - | 0.30Max | - | - |
| 15Mo3 | 0.12~0.20 | 0.10~0.35 | 0.40~0.80 | 0.035Max | 0.035Max | - | - | 0.25~0.35 | - |
| 13CrMo910 | 0.10~0.18 | 0.10~0.35 | 0.40~0.70 | 0.035Max | 0.035Max | - | 0.70~1.10 | 0.45~0.65 | - |
| 10CrMo910 | 0.08~0.15 | 0.50Max | 0.40~0.70 | 0.035Max | 0.035Max | - | 2.00~2.50 | 0.90~1.20 | - |
| 14MoV63 | 0.10~0.18 | 0.10~0.35 | 0.40~0.70 | 0.035Max | 0.035Max | - | 0.30~0.60 | 0.50~0.70 | V: 0.22~0.32 |
| X20CrMoV121 | 0.17~0.23 | 0.50Max | 0.40~0.70 | 0.030Max | 0.030Max | 0.30~0.80 | 10.00~12.50 | 0.80~1.20 | V: 0.25~0.35 |
Mechanical properties:
Grade | Material Number | MPa or N/mm2 | ||
|---|---|---|---|---|
| Min Yield Point | Tensile Strength | |||
| WT: 16mm Max | WT: 16- 40mm | |||
| St35.8 | 1.0305 | 235 | 225 | 360~480 |
| St45.8 | 1.0405 | - | 245 | 410~530 |
| 17Mn4 | 1.0481 | - | 275 | 460~580 |
| 19Mn5 | 1.0482 | - | 315 | 510~610 |
| 15Mo3 | 1.5415 | 275 | 275 | 450~600 |
| 13CrMo910 | 1.7335 | 295 | 295 | 440~590 |
| 10CrMo910 | 1.7380 | 285 | 285 | 450~600 |
| 14MoV63 | 1.7715 | 325 | 325 | 460~610 |
| X20CrMoV121 | 1.4922 | 490 | 490 | 690~850 |
Tiancheng Group supplies DIN 17175 alloy steel pipes and other steel grades tubes for high pressure and temperature applications, if you are interested in buying seamless boiler tubes from reliable steel mills, please send an email now!