SAE1045 round bar for petroleum

1.Specification
Round bar		Diameter(mm)			Length (mm)
		20~600			3000~9000
Plate		Thickness(mm)			Width (mm)		Length (mm)
		Max:800			Max:2200		Max:9000
*Specification can be customized for sure.
2.Chemical Compositons
Grade	C	Si	Mn	P	S	Cr	Mo	Ni
SCM440	0.38~0.45	0.17~0.37	0.50~0.8	≤0.035	≤0.035	0.9~1.2	0.15-0.25	≤0.3
4140	0.40~0.45	0.15~0.35	0.75~1.0	≤0.035	≤0.040	0.8~1.1	0.15-0.25	-
SCM415	0.38~0.43	0.15~0.35	0.60~0.9	≤0.030	≤0.030	0.9~1.2	0.15-0.30	≤0.25
1.7225	0.38~0.45	≤0.40	0.60~0.9	≤0.025	≤0.035	0.9~1.2	0.15-0.30
3.Delivery Conditions
Hot rolled +Rough machined (black surface after Q/T)+ Turned (optional)
4.Typical Applications
a.Statically and dynamically stressed components for vehicles
b.Parts of larger cross-sections, crankshafts, gears
c.Gears, stem assemblies,
d.Pump shafts and tool holders