What is DIN 17175 material?
DIN 17175 Grade St 45.8 Carbon Steel Seamless Tubes – Ferropipe
DIN 17175 Grade St 45.8 Tubes, are low-cost Low Carbon Steel Tubes with max 021 % carbon content with combination of 040-120 % manganese easy to form and shape .
What is st45.8 material?
st45.8 seamless steel tube is used for the construction of boilers, pipelines, 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.
ST45.8 boiler pipe is a brand in German DIN17175, and its full name is ST45.8-III high-pressure boiler seamless steel pipe. This kind of steel pipe is mainly used for the heating surface pipe of low and medium pressure boilers (working pressure is generally not greater than 5.88Mpa, working temperature is below 450°C); used in high-pressure boilers (working pressure is generally above 9.8Mpa, working temperature is between 450°C and 450°C) 650℃) heating surface pipes, economizers, superheaters, reheaters, petrochemical industry pipes, etc.
Chemical composition of DIN 17175 St45.8
| Standard:DIN 17175 | grade | Chemical composition | |||||
| C | Si | Mn | P,S | Cr | Mo | ||
| St45.8 | ≤0.21 | 0.10-0.35 | 0.40-1.20 | ≤0.030 | / | / | |
Mechanical property of DIN 17175 St45.8
| Standard | grade | Tensile Strength(MPa) | Yield Strength(MPa) | Elongation(%) |
| DIN 17175 | St45.8 | 410-530 | ≥255 | ≥21 |
DIN 17175 St45.8 Seamless Pipe
Manufacturing: Seamless Process.
External dimensions: 14mm-711mm.
Wall thickness: 2mm-60mm.
Length: Fixed length (6m, 9m, 12m, 24m) or normal length (5-12m).
Ends: Flat, Beveled, Stepped.
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