Aisi Sae 4140/jis Scm440 Hot Rolled Tensile Steel Plate

We offers aisi sae 4140jis scm440 hot rolled carbon structural alloy high tensile steel plate.
standards:astm,jis,gb,en(din,bs,nf) or per as client requires.
product basic information:
material 4140
chemical composition mechanical properties(in quenched & tempered state)
c 0.37-0.45 tensile strength(mpa) 980
si 0.17-0.37 yield strength (mpa) 785
mn 0.90-1.20 elongation(δ5%) 10
cr 0.90-1.20 reduction in area (ψ%) 45
mo 0.20-0.30 impact (j) 63
p ≤0.035
hardness
≤217hb
s ≤0.035
cu ≤0.30
ni ≤0.30
2.product application areas:
our products have been used in all kinds of areas, such as aviation,aerospace,navigation,nuclear energy,chemical industry,
electronic information,achine manufacture, petrochemical, automotive,instrument and meter, communication ,transportation, and medical instruments, etc.
3.similar steel grade & equivalent steel materials:
usa japanese gemany british france international chinese
astm&aisi&sae jis en din en bs en nf iso gb
4140 ssm440 42crmo4(1.7225) 42crmo4 42crmo4 ------ 40crmnmo.