JIS S450C grade is a engineering steel material. S45C steels belong to Japanese steel standard JIS G4051. you can find more details technical and properties of JIS machinery structural S45C carbon steel. S45C steel details as below:

s45c steel

 

1, S45C steel application in engineering machine construction

JIS S45C belongs to Japanese steel grade standard JIS G4051. Which is carbon steel standard specification for machinery structural application.  It is widely used in machinery manufacturing, JIS S45C grade medium carbon steel have high quality mechanical properties.

2,  JIS S45C grade steel Equivalents and chemical composition

Different countries and company have some others structural steel standard. JIS S45C steel equivalents with Din C45, CK45, W-Nr 1.1191 ;  AISI 1045 ; UNS G10450;  GB 45#; EN-8 /BS 080M40 BS970; KS SM45C

ASTM A29/29M C Si Mn P S
1045 0.43～0.50 / 0.60～0.90 ≤0.040 ≤0.050
DIN W-Nr C Si Mn P S
1.1191/CK45 0.42～0.50  ≤0.40 0.50～0.80 ≤0.035 ≤0.035
GB/T C Si Mn P S
45 0.42～0.50 0.17～0.37 0.50～0.80 ≤0.035 ≤0.035
BS C Si Mn P S
080M46 0.42～0.50 ≤0.40 0.50～0.80 ≤0.035 ≤0.035
JIS C Si Mn P S
S45C 0.42～0.48 0.15～0.35 0.60～0.90 ≤0.030 ≤0.030

 

3,  JIS S45C Steel Machanical Properties and physical property

  •  Heat treatment / °C | normalizing: 820 ~ 870
  •  Density (kg/M3): 7.85
  •  Heat treatment / annealing /°C: 810
  •  Heat treatment and quenching / °C: 820 ~ 870 , water cooling
  •  Heat treatment / tempering / °C: 550 ~ 650
  • Condition: normalized; annealing; tempering
  • mechanical properties:  ≥|σb/MPa:    570；—；690;  ≥|σs/MPa:    345；—；490; ≥|δ(％):    20；—；17
  • Hardness:  normalized, 167～229 HBS; Annealing, 137～170 HBS；Tempering: 201～269 HBS;

4,  Forged of JIS S45C steel material

Heat to 1050°C for forging, no forged below in 850 °C

5, Processing of carbon steel JIS S45C

S45C Carbon steel round bar and flat sections can be cut to your required sizes.  ground bar can also be supplied, providing a high quality tool steel precision ground tool steel bar to your required tolerances. S45C Carbon steel is also available as Ground Flat Stock / Gauge Plate, in standard and nonstandard sizes.

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