Free sample 4140 alloy round 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)

Chemical Composition (%):

≤0.030

0.80~1.10

0.15~0.25