DIN 17175 St45.8 boiler tubes are mainly used to manufacture heating surface tubes of low and medium pressure boilers, such as water-cooled wall tubes, superheated steam tubes, reheated steam tubes and economizer tubes.
St45.8 seamless tubes can usually withstand a working pressure of no more than 5.88Mpa and are suitable for working environments with working temperatures below 450℃.
DIN 17175 St45.8 steel tubes supplied by GNEE adopt a precise seamless production process to ensure that the inner and outer walls of the pipes are smooth and defect-free, thereby improving the corrosion resistance and high temperature resistance of the pipes.
Products Data
Heat treatment temperature of DIN 17175 St45.8 Seamless Steel Tubes
| Steel Grade | Thermal processing ℃ | Normalizing℃ | Tempering | ||
| Grade | Material number | Quenching temperature ℃ | Tempering temperature ℃ | ||
| St45.8 | 1.0405 | 1100 to 850°C | 870-900 | - | - |
Chemical composition of DIN 17175 St45.8 carbon pipe
|
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 | / | / | |
Main Features:
1.Standard : DIN 17175
2. Grade: St35.8, St45.8
3.Chemical Composition: Mechanical Property
4.OD:10.2-711mm WT:1.6-100mm
5.length:5.8m,6m,11.8m,12m or random length
Products display
DIN 17175 Heat Resistant Seamless Steel Pipe
Why Choose GNEE
GNEE is a professional manufacturer of boiler steel pipes with 12 production lines and an annual output of 50,000 tons. It has obtained the ISO9001 international quality management system certificate.
Before leaving the factory, the steel pipes produced by GNEE will undergo quality inspection, chemical composition analysis, tensile test, hardness test, flattening test, expansion test, non-destructive testing, surface inspection, and size inspection.
If you would like to know more about our company or our products, please feel free to contact us. sales@gneetube.com
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FAQ
Q.Where are you located? Can I visit you?
A.Sure, you are welcome to visit our factory anytime.
Q.What is your after-sales service?
A.We provide after-sales service and 100% quality assurance for our products.
Q.What is your delivery time?
A.Delivery time is usually about 1 month, if we have stock, we can ship within 7 days.
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