com S20C square steel bar

com S20C square steel bar

1.Diameter 80 to 800 mm 
2.Black or Bright surface 
3.Annealed or Quenched and tempered provided 
4.Cutting service provide

Machine Capability

Tensile strength (N/mm2Mpa)≥980(100)
Elongation≥12
Yield strength≥835(85)
Hardness:( HBS 100/3000)≤269
Reduction of area≥55

Akv(J)≥78  akv(J/cm2)≥98(10)

4140 Chemical Composition (%):

≤0.030

0.80~1.10

0.15~0.25