Mechanical pipe

mechanical pipe



Standard Specification: DIN1629/DIN2391/DIN17175

 

Standard Grade Chemical Composition Mechanical Property
C Si Mn P≤ S≤ Cr Mo TS(MPa) YS(MPa) EL (%)
DIN1629 St35.8/St37.5 ≤0.17 / / 0.04 0.04 / / 350~480 ≥235 ≥25
St52.0/St52.3 ≤0.22 ≤0.55 ≤0.17 0.04 0.04 / / 500~560 ≥270 ≥21
                       
Stanadard Grade Chemical Composition      
C max Si max Mn P max S max          
Din 2391 St 35 0.17 0.35 ≥0.40 0.025 0.025          
St 45 0.21 0.35 ≥0.40 0.025 0.025          
St 52 0.22 0.55 ≤1.60 0.025 0.025          
                       
Standard Grade Chemical Composition Mechanical Property
C Si Mn P≤ S≤ Cr Mo TS(MPa) YS(MPa) EL (%)
DIN17175 St35.8 ≤0.17 0.10~
0.35
0.40~
0.80
0.04 0.04 / / 360~480 ≥235 ≥25
St45.8 ≤0.21 0.10~
0.35
0.40~
1.20
0.04 0.04 / / 410~530 ≥255 ≥21
15Mo3 0.12~
0.20
0.10
~0.35
0.40~
0.80
0.035 0.035 / 0.25~
0.35
450~600 ≥270 ≥22

 Standard Specification: EN 10210

 

SteelGrade Chemical composition(%) Mechanical properties 
C Si Mn P S Otherelements Yield strength Tensile strength Elongation Impact energy
MPa MPa (%) At test temperature of
T≤16 16 Longitudinal -20C 0C 20C
Max Max Max Max Max Min Min Min
S235JRH 0.17 / 1.4 0.04 0.04 / 235 225 360-510 26 / / 27
S275J0H 0.2 / 1.5 0.035 0.035 / 275 265 410-560 23 / 27 /
S275JRH 0.2 / 1.5 0.03 0.03 / 27 / /
S355J0H 0.22 0.55 1.6 0.035 0.035 / 355 345 470-630 22 / 27 /
S355J2H 0.22 0.55 1.6 0.03 0.03 / 27 / /

 Standard Specification: EN 10297

 

Steel grade  Chemical composition(%) Mechanical properties 
C Si Mn P S Otherelements Yield strength Tensile strength Elongation
Steel name Steel number MPa MPa (%)
T≤16 16T≤40 T≤16 16T≤40 longitudinal
Max Max Min Min Min Min Min
E235 1.0308 ≤0.17 ≤0.35 ≤1.20 0.03 0.035   235 225 360 360 25
E275 1.0225 ≤0.21 ≤0.35 ≤1.40 0.03 0.035   275 265 410 410 22
E315 1.0236 ≤0.21 ≤0.30 ≤1.50 0.03 0.035   315 305 450 450 21
E355 1.058 ≤0.22 ≤0.55 ≤1.60 0.03 0.035   355 345 490 490 20
E470 1.0536 0.16-0.22 0.10-0.50 1.30-1.70 0.03 0.035

AI min 0.01

N max 0.02

Nb max0.07V 0.08/0.15

470 430 650 600 17