DIN 17175 steel tube, including these four materials ST35.8, ST45.8, 15Mo3, 13CrMo44, and 10CrMo910, is the tube for headers of heat-resistant steels used in the construction of boilers, pipe-lines, pressure vessels and equipment for service up to 600 ℃ and simultaneous high pressures, where the total stress and the relevant scaling conditions can raise or lower the temperature limit.
Specifications
| Standard | DIN17175 |
| Steel Grade/Material | ST35.8, ST45.8, 15Mo3, 13CrMo44, 10CrMo910 |
| Outer Diameter(OD) | 1.5”-28”(38mm-720mm) |
| Wall Thickness(WT) | 0.102”-2.362”(2.6mm-60mm) |
| Length | 5.8-16m or OEM |
| Packing | Plastic cap or bundling |
| Surface Treatmengt | Black paint,3LPE,3LPP,FBE or OEM |
| Section Shape | Round |
| Technique | Seamless hot rolled |
| Application | Used in the construction of boilers, pipe-lines, pressure vessels and equipment for service up to 600 ℃ and simultaneous high pressures |
| Place of Origin | China |
| MOQ | 25 ton |
| Transportation | 1.Sea port:Tianjin Xingang port,Qingdao port,Shanghai Luojing port →America,Europe,Africa,Middle East,India, Pakistan,Japan,Korea, Australia…(shipping) 2.Land port:Alataw pass port(Пограничный пункт “Алашанькоу”) |
| Standard | Grade | Chemical Components (%) | ||||||
| C | Si | Mn | P | S | Mo | Cr | ||
| DIN17175 | St 35.8 | ≤0.17 | 0.10-0.35 | 0.40-0.80 | ≤0.040 | ≤0.040 | / | / |
| St 45.8 | ≤0.17 | 0.10-0.35 | 0.40-0.80 | ≤0.040 | ≤0.040 | / | / | |
| 15Mo3 | 0.12-0.2 | 0.10-0.35 | 0.40-0.80 | ≤0.035 | ≤0.035 | 0.25-0.35 | / | |
| 13CrMo44 | 0.10-0.18 | 0.10-0.35 | 0.40-0.70 | ≤0.035 | ≤0.035 | 0.45-0.65 | 0.70-1.1 | |
| 10CrMo910 | 0.08-0.15 | ≤0.50 | 0.40-0.70 | ≤0.035 | ≤0.035 | 0.90-1.2 | 2.0-2.50 | |
| Standard | Grade | Mechanical properties | ||
| Tensile Strength (Mpa) | Yield Strength (Mpa) | Elongation (%) | ||
| DIN17175 | St 35.8 | 360-480 | ≥235 | ≥25 |
| St 45.8 | 410-530 | ≥255 | ≥21 | |
| 15Mo3 | 450-600 | ≥270 | ≥22 | |
| 13CrMo44 | 440-580 | ≥290 | ≥22 | |
| 10CrMo910 | 450-600 | ≥280 | ≥20 | |
