Description Name: DIN 17175 seamless boiler tubes, DIN17175 ST35.8 Boiler tubes, DIN17175 ST45.8 Boiler tubes, DIN17175 15Mo3 seamless tubes, DIN17175 13CrMo44 seamless tubes, DIN17175 10CrMo910 Seamless tubes, DIN17175 Seamless tubes.
Size: 19mm-350mm
W.T.: 1.5mm-50mm
Shape: Round
Production Type: Cold drawn or Hot rolled
Length: Single random length/ Double random length or as customer’s actual request max length is 10m
Grade: ST35.8, ST45.8, 15Mo3, 13CrMo44, 10CrMo910
applies to seamless tubs including tubes for headers of heat-resistant steels according to standard which are used in the construction of boilers, pipe-lines, pressure vessels and equipment for service up to 600 °C and simultaneous high pressures, where the total stress and the relevant scaling conditions can raise or lower the temperature limit.
| 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 | 0.12-0.20 | 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 | 0.70-1.10 | |
| 10CrMo910 | 0.08-0.15 | ≤0.50 | 0.40-0.70 | ≤0.035 | ≤0.035 | 0.90-1.20 | 2.0-2.50 | |