DIN 17175 Material Comparison Tables

DIN 17175 steel pipes are used in boiler installations, high-pressure pipelines and tank construction and special machinery for both high (градусов 600) temperature and high-pressure devices.

DIN 17175  Heat-resisting seamless steel tube

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.

DIN 17175  Heat-resisting seamless steel tube
Application:
used for the pipelines of boiler industry.
Material Comparison Tables (ASTM →KS, JIS, DIN, BS, NBN, NF, UNI) of DIN 17175
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
Steel Grade C Si Mn S P Cr Mo V
St 35.8 ≤0.17 0.10-0.35 0.40-0.80 0.020 0.025      
St 45.8 ≤0.21 0.10-0.35 0.40-1.20 0.020 0.025      
15Mo3 0.12-0.20 0.10-0.35 0.40-0.80 0.020 0.025   0.25-0.35  
13CrMo44 0.10-0.18 0.10-0.35 0.40-0.70 0.020 0.025 0.70-1.10 0.45-0.65  
10CrMo910 0.08-0.15 ≤0.50 0.40-0.70 0.020 0.025 2.00-2.50 0.90-1.20  
14MoV63 0.10-0.18 0.10-0.35 0.40-0.70 0.020 0.025 0.30-0.60 0.50-0.70 0.22-0.32
12Cr1MoV 0.08-0.15 0.17-0.37 0.40-0.70 0.020 0.025 0.90-1.20 0.25-0.35 0.15-0.30
Mechanical Property
Grade Tensile strength
(Mpa)
Yield point(Mpa)
not less than
Elongation(%)
not less than
Impact(J)
not less than
St35.8 360-480 235(T<16mm)
225(t≥16mm)
25 "
St45.8 410-530 255(T<16mm)
245(t≥16mm)
21 "
15Mo3 456-600 270 22 "
13CrMo44 440-590 290 22 "
10CrMo910 450-600 280 20 "
14MoV63 460-610 320 20 55
12Cr1MoV 470-640 255 21 41



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.