Introducción a las especificaciones de tuberías de acero de aleación DIN 17175
Los tubos de acero aleado DIN 17175 son tubos resistentes al calor que se utilizan para altas presiones de hasta 600 °C. Las áreas de aplicación incluyen: construcción de calderas, tuberías, recipientes y equipos a presión.
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 |
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