AISI 4140 forged square steel bar
forged square steel bar AISI4140 square bar with size (160-500)*(160-800)mm Length:10m max MOQ:20T Cert.:MTC,EN10204-3.1
forged square steel bar AISI4140
Material :AISI 4140,GB 42CrMo,DIN 42CrMo4
Origin:China
Size(160-500)*(160-800)mm
Length:10m max
Application:Machinery
MOQ:20T
UT:SEP 1921 Class C/c
Heat treatment:quenched and tempered
Chemical composition :
| C :0.38~0.45 |
| Si:0.17~0.37 |
| Mn:0.50~0.80 |
| S :0≤0.035 |
| P :≤0.035 |
| Cr:0.90~1.20 |
| Ni:≤0.030 |
| Cu:≤0.030 |
Mo:0.15~0.25 |
Mechnical property:
| Tensile strength σb (MPa):≥1080(110) |
| Yield strength σs (MPa):≥930(95) |
| Elongation δ5 (%):≥12 |
| Reduction of area ψ (%):≥45 |
| Impact Akv (J):≥63 |
| αkv (J/cm2):≥78(8) |
Hardenss:≤217HB |
AISI 4140 forged square steel bar
