Standard

Grade

Tensile strength (MPa)

Yield strength (MPa)

Elongation (%)

DIN 17175

St35.8

360~480

≥235

≥25

St45.8

410~530

≥255

≥21

15Mo3

450~600

≥270

≥20

13CrMo44

440~590

≥290

≥20

10CrMo910

450~600

≥280

≥18

Standard

Grade

Chemical Composition

C

Si

Mn

P,S

Cr

Mo

DIN 17175

St35.8

≤0.17

0.10~0.35

0.40~0.80

≤0.030

/

/

St45.8

≤0.21

0.10~0.35

0.40~1.20

≤0.030

/

/

15Mo3

0.12~0.20

0.10~0.35

0.40~0.80

≤0.030

/

0.25~0.35

13CrMo44

0.10~0.18

0.10~0.35

0.40~0.70

≤0.030

0.70~1.10

0.45~0.65

10CrMo910

0.08~0.15

≤0.50

0.40~0.70

≤0.030

2.00~2.50

0.90~1.20