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Address: No.143 Qingyang North road,Tianning district. Changzhou
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EN10216-2 / DIN17175 Heat Resistant Seamless Steel Pipe Grade ST35
ST45 ST52
DIN 17175 seamless boiler tubes are widely used in petroleum,
boiler industry, heat preservation, chemical fiber, chemical
industry, medicine, machinery, paper, mechanical equipment,
refrigeration, food, electricity, water, aerospace, construction,
aviation, marine, shipbuilding, environmental protection and boiler
heat exchanger tubes.
DIN 17175 Seamless boiler tubes in the same way used for producing
storage tanks of heat-resistant steels used in tool making and
boiler making industries and for constructing pressure reservoirs.
Specifications:
Grade and Chemical Composition ( ％ ) and mechanical property
Standard | Grade |
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C | Si | Mn | P≤ | S≤ | Cr | Mo | Tensile Strength ( MPa ) | Yield Strength ( MPa ) | Elongation (%) | ||
DIN17175 | St35.8 | ≤ 0.17 | 0.10~ | 0.40~ | 0.030 | 0.030 | / | / | 360~480 | ≥ 235 | ≥ 25 |
St45.8 | ≤ 0.21 | 0.10~ | 0.40~ | 0.030 | 0.030 | / | / | 410~530 | ≥ 255 | ≥ 21 | |
15Mo3 | 0.12~ | 0.10 | 0.40~ | 0.030 | 0.030 | / | 0.25~ | 460~600 | ≥ 270 | ≥ 20 | |
