DIN17175/EN10216 standard specification

DIN 17175 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 17175-79 Seamless steel tubes
Application Features Specifications Chemical Composition Mechanical Properties

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.

Application: used for the pipelines of boiler industry.

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

DIN 17175-79 Seamless steel tubes
Read more:
Features Specifications
OD(mm)   Wall Thickness Unit(mm)
2 2.5 3 3.5 4 4.5 5 6 6.5-7 7.5-8 8.5-9 9.5-10 11 12
Φ25-Φ28                        
Φ32                        
Φ34-Φ36                        
Φ38                        
Φ40                           
Φ42                           
Φ45                        
Φ48-Φ60                     
Φ63.5                     
Φ68-Φ73                        
Φ76            
Φ80            
Φ83            
Φ89            
Φ95            
Φ102            
Φ108            
Φ114               
Φ121               
Φ127               
Φ133               
Φ140                  
Φ146                  
Φ152                  
Φ159                  
Φ168                  
Chemical composition DN17175
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 Property DN17175
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


Seamless pipe Specification, standard and identification

Seamless pipes are extensively applied for the nuclear device, gas, petrochemical, ship building and boiler industries. Seamless pipes dominates 65% of market share in Chinese boiler industry.



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