JIS G4051 S50C High quality carbon steel coil is used by the furnace, open-hearth, or oxygen converter steelmaking manufacture full killed steel having a uniform microstructure features. S50C High quality carbon steel coil carbon content (mass fraction,%) ≥0.4, excellent wear resistance, reduce ductility, deformation hardening and cracking, it is extremely important quenching, tempering it must be cut after quenched to avoid temper brittleness.
Through the introduction of ball handling, to improve the cutting performance of this type of steel. S50C High quality carbon steel coil is usually tempered to hardness 19 ~ 22HRC after use, to increase its cutting performance. Generally ,applicable to mold with plastic plate and mechanical parts
JIS G4051 S50C carbon steel coil Chemical composition(%)
C: 0.47-0.53 Si :0.15-0.35 Mn: 0.60-0.90 P≤0.030 S≤0.035 Cu≤0.30 Ni≤0.20 Cr≤0.20
S50C High quality carbon steel coil Mechanical Property
Tensile strength σb (MPa): ≥630 (64)
Yield strength σs (MPa): ≥375 (38)
Elongation δ5 (%): ≥14
Reduction of area ψ (%): ≥40
Impact energy Akv (J): ≥31 (4)
Impact toughness αkv (J / cm2): ≥39 (4)
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