EN 10025 S275 Steel (S275JR, S275J0 & S275J2)
EN 10025 S275 Steel (S275JR, S275J0 & S275J2)
EN 10025 S275 Steel (S275JR, S275J0 & S275J2)
EN 10025 S275 Steel is a non-alloy structural steel grade, according to EN10025, S275 mild steel is mainly
devided into S275JR (1.0044), S275J0 (1.0143) and S275J2 (1.0145). Some properties of S275 mild steel is
better than S235, and lower than S355.
S275 material old designation is St44 according to Germany standard, former quality grade equivalent is as
follows:
Chemical Composition
Datasheet 1, EN10025 S275J0, S275J2 and S275JR chemical composition based on ladle analysis is given in
the following table.
0.21 ≤ 40
S275JR (1.0044) 1.50 0.035 0.035 0.012 0.55 Rimmed steel
0.22 > 40
0.18 ≤ 150
European Union EN 10025-2 S275J0 (1.0143) 1.50 0.030 0.030 0.012 0.55 Rimmed steel
0.20 > 150
0.18 ≤ 150
S275J2 (1.0145) 1.50 0.025 0.025 – 0.55 Fully Killed
0.20 > 150
Datasheet 2, chemical composition based on product analysis.
0.24 ≤ 40
S275JR (1.0044) 1.60 0.045 0.045 0.014 0.60 Rimmed steel
0.25 > 40
0.21 ≤ 150
European Union EN10025-2 S275Jo (1.0143) 1.60 0.040 0.040 0.014 0.60 Rimmed steel
0.22 > 150
0.21 ≤ 150
S275J2 (1.0145) 1.60 0.035 0.035 – 0.60 Fully Killed
0.22 > 150
Mechanical Properties
S275 steel mechanical properties such as yield strength, tensile strength, elongation and impact resistance are
given in datasheet below.
Yield Strength
S275JR (1.0044)
S275 S275J0 (1.0143) 275 265 255 245 235 225 215
S275J2 (1.0145)
Tensile Strength
Steel Steel Grade d<3 3 ≤ d ≤ 100 100 < d ≤ 150 150 < d ≤
S275JR (1.0044)
S275J2 (1.0145)
Elongation
S275JR 15 16 17 18 19 23 22 21 19
S275J0
S275
(S275JO)
S275J2 13 14 15 16 17 21 20 19 19
Standard Grade Standard Grade Standard Grade StandardGrade Standard Grade Standard Gra
S275J2 ISO
Q275D S27
(1.0145) 630-2