spring steel round bars 60si2mn

Material :60si2mn/AISI 9620 /JIS SUP6/DIN1.7108

Size:20-100mm

Typical Application:mechanical spring/helic spring

Heating:Q+T

Min qty:20T

Chemical composition:

 C :0.56~0.6

 Si:1.50~2.00

 Mn:0.60~0.90 

 S :≤0.035 

 P :≤0.035

 Cr:≤0.35 

 Ni:≤0.35 

 Cu:≤0.25   

Mechanical property:

tensile strength σb (MPa):≥1274

yield strength σs (MPa):≥1176

elongation δ10 (%):≥5

reduction of area ψ (%):≥25

hardness:≤321HB

We can provide hot rolled spring bar with good quality and reasonable price,round bars are in stock.