JISG4051 S50C Description
JISG4051 S50C steel is a medium carbon steel is used when greater strength and hardness is desired than in the "as rolled" condition.
JISG4051 S50C Applications
Quenched and subsequently tempered steel for screws, forgings, wheel tyres, shafts, sickles, axes, knives, wood working drills, hammers, etc.
The equivalent standards of S50C steel
S50C JIS G 4051 |
Comparision of steel grades | |
DIN | 1C50 | |
AISI | 1050 | |
UNI 7846 | - | |
BS 970 | - | |
UNE 36011 | - | |
SAE J 403-AISI | - |
Chemical Composition of S50C steel
Grade | C | Si | Mn | P(%) max |
S(%) max |
Cr(%) max |
Ni(%) max |
Cu(%) max |
S50C | 0.47-0.55 | 0.17-0.37 | 0.50-0.80 | 0.035 | 0.035 | 0.25 | 0.25 | 0.25 |
Mechanical Properties of S50C steel
Tensile Strength σb(MPa) |
Yield Strength σS(MPa) |
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) |
≥630 | ≥375 | ≥14 | ≥40 | ≥31 | ≥39 | ≤241HB | ≤207HB | 25 |
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