SAE 4130 alloy steel plate

SAE 4130 alloy steel plate

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SAE 4130 is an alloy structural steel that containing chromium and molybdenum as strengthening agents. The SAE 4130 alloy steel plate has good strength and toughness, weld-ability and machinability.
SAE 4130 alloy steel plate is a versatile alloy with good atmospheric corrosion resistance and reasonable strength up to around 600º F (315º C). It shows good overall combinations of strength, toughness, and fatigue strength.
The chemical composition of SAE 4130 alloy steel plate (%):

Grade

Cr

Mn

C

Si

Mo

S, max

P, max

SAE 4130

0.80 – 1.10

0.40 – 0.60

0.280 – 0.330

0.15 – 0.30

0.15 – 0.25

0.040

0.035

Size range of SAE 4130 alloy steel plate:
Thickness: 3mm-260mm
Width: 1000mm-4000mm
Length: 3000mm-18500mm
SAE 4130 alloy steel plate can be easily machined using conventional methods. However, machining becomes difficult when the hardness of the steel is increased.
Welding of SAE 4130 alloy steel plate can be performed by all commercial methods.