JISG4051 S45C steel Description
JISG4051 S45C steel is a medium carbon steel is used when greater strength and hardness is desired than in the "as rolled" condition. Extreme size accuracy, straightness and concentricity combine to minimize wear in high speed applications. Turned, ground and polished.
JISG4051 S45C steel Applications
Quenched and subsequently tempered steel for screws, forgings, wheel tyres, shafts, sickles, axes, knives, wood working drills, hammers, etc.
S45C JIS G 4051 | Comparision of steel grades | |
DIN | 1C45 | |
AISI | 1045 | |
UNI 7846 | - | |
BS 970 | - | |
UNE 36011 | - | |
SAE J 403-AISI | - |
Chemical Composition of JISG4051 S45C
Grade | C | Si | Mn | P(%) max | S(%) max | Cr(%) max | Ni(%) max | Cu(%) max |
S45C | 0.42-0.50 | 0.17-0.37 | 0.50-0.80 | 0.035 | 0.035 | 0.25 | 0.25 | 0.25 |
Mechanical Properties of JISG4051 S45C
Tensile Strength σb(MPa)
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Yield Strength σS(MPa)
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Elon- Gation Ration δ5 (%) | Reduction of area Psi(%) | Impact merit AKV (J) | Resilient value AKV(J/cm2) | Degree of hardness | Annealed steel | Test Specimen Size (mm) |
≥600 | ≥355 | ≥16 | ≥40 | ≥39 | ≥49 | ≤229HB | ≤197HB | 25 |
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