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 |
