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DIN 17175 Heat-resisting seamless steel tube

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 DIN 17175 Heat-resisting seamless steel tube

DIN 17175 seamless steel pipes are used in boiler installations, high-pressure pipelines and tank construction and
special machinery for both high temperature and high-pressure devices.

DIN 17175 alloy steel pipe is just a big class,and it has many classifivations. We mainly produce
DIN 17175 ST35.8,DIN 17175 ST45.8,
and 10CrMo910 steel pipes. This alloy steel pipe is just a big class,and it has many classifivations.

We mainly produce DIN 17175 ST35.8,DIN 17175 ST45.8, and 10CrMo910 steel pipes.

Main Steel grade:
  • DIN17175 St35.8
  • DIN17175 St45.8
  • 15Mo3
  • 13CrMo44
  • 10CrMo910
Chemical Compositions of DIN 17175 steel pipes (%)
Grade C Si Mn P S Cr Mo
St35.8 ≤0.17 0.10-0.35 0.40-0.80 ≤0.040 ≤0.040 / /
St45.8 ≤0.21 0.10-0.35 0.40-1.20 ≤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 0.70-1.10 0.46-0.65
10CrMo910 0.08-0.15 ≤0.50 0.40-0.70 ≤0.035 ≤0.035 0.20-0.25 0.90-1.20
Mechanical Properties of DIN17175 steel pipe
Grade Yield Strength (Mpa) Tensile Strength (Mpa) Elongation(%)
St35.8 ≥235 360-480 25
St45.8 ≥255 410-530 21
15Mo3 ≥275 450-600 20
13CrMo44 ≥290 440-590 20
10CrMo910 ≥280 450-600 18
Packing:
  • Inner packing:Caps on two ends of every pipe
  • Packing: Bare/bundles/crates/crate protection at the both sides of tubes or as per customers’ requirements .
  • Surface treatment:Oil-dip, Varnish, Passivation, Phosphating, Shot Blasting.
  • Marking: as per customer’s requirement