JIS G4051-1 standard Carbon steel for machinery

JIS G4051-1 standard Carbon steel for machinery

JIS G4051-1 standard Carbon steel for machinery

Standard: JIS G4051-1
Steel Grade : S10C - S20C - S40C - S45C - S50C - S55C
Dimension range : 2.5mm -620mm x 500mm-4000mm x 1000mm-18000mm
MOQ: 1 PC
Delivery time : Promptly ( Stock) or 10-40 days (Production)
Stock : S20C, S45C, S50C are Available
MTC: Available
Payment Term : T/T or L/C At sight .
Latest price:

Specification :
After cutting and forming, the machinery structural steel goes through heat treatment process to achieve the required mechanical properties. The steel is used to make high strength machine parts or mould. Join-Win's product with pure composition, good control of segregation and inclusion. The product is welcomed in the industry.

S10C ,S20C,S40C ,S45C,S50C, S55C chemical composition% :

Grade

C≤

Si

Mn≤

P≤

S≤

S10C

0.08~0.13

0.15~0.35

0.30~0.60

0.03

0.035

S12C

0.10~0.15

0.15~0.35

0.30~0.60

0.03

0.035

S15C

0.13~0.18

0.15~0.35

0.30~0.60

0.03

0.035

S17C

0.15~0.20

0.15~0.35

0.30~0.60

0.03

0.035

S20C

0.18~0.23

0.15~0.35

0.30~0.60

0.03

0.035

S22C

0.20~0.25

0.15~0.35

0.30~0.60

0.03

0.035

S25C

0.22~0.28

0.15~0.35

0.30~0.60

0.03

0.035

S28C

0.25~0.31

0.15~0.35

0.60~0.90

0.03

0.035

S30C

0.27~0.33

0.15~0.35

0.60~0.90

0.03

0.035

S33C

0.30~0.36

0.15~0.35

0.60~0.90

0.03

0.035

S35C

0.32~0.38

0.15~0.35

0.60~0.90

0.03

0.035

S38C

0.35~0.41

0.15~0.35

0.60~0.90

0.03

0.035

S40C

0.37~0.43

0.15~0.35

0.60~0.90

0.03

0.035

S43C

0.40~0.46

0.15~0.35

0.60~0.90

0.03

0.035

S45C

0.42~0.48

0.15~0.35

0.60~0.90

0.03

0.035

S48C

0.45~0.51

0.15~0.35

0.60~0.90

0.03

0.035

S50C

0.47~0.53

0.15~0.35

0.60~0.90

0.03

0.035

S53C

0.50~0.56

0.15~0.35

0.60~0.90

0.03

0.035

S55C

0.52~0.58

0.15~0.35

0.60~0.90

0.03

0.035

S58C

0.55~0.61

0.15~0.35

0.60~0.90

0.03

0.035

S09CK

0.07~0.12

0.15~0.35

0.30~0.60

0.025

0.025

S15CK

0.13~0.18

0.15~0.35

0.30~0.60

0.025

0.025

S20CK

0.18~0.23

0.15~0.35

0.30~0.60

0.025

0.025

For S09CK,S15CK,S15CK Cu ≤ 0.25% , Ni ≤ 0.20%, Ni+Cr ≤ 0.30%
Other grade as following : Cu ≤ 0.30% , Ni ≤ 0.20%, Ni+Cr ≤ 0.35%

C22,C35 mechanical properties with heat-treatment.

Grade

Heat Treatment

Normalizing

Q & T °C

Quenching

Tempering

C22

880~920

860~900 water cooling

550~660

C35

860~900

840~880 Water cooling or oil cooling

550~660

Grade

Heat Treatment

Tensile Test

Yield Strength

MPa

Tensile Strength MPa

Elongation%

Area reduction%

C20

N

≥240

≥430

≥24

-

Q & T

≥340

500~650

≥20

≥50

C35

N

≥300

≥550

≥18

-

Q & T

≥430

630~780

≥17

≥40


Related Link:Structural steel plate