SAE4340 1.6511 SNCM439 40CrNiMo Mechanical Alloy Steel

Main Products: SAE4340, 1.6511, SNCM439, 40CrNiMo.

SAE4340 1.6511 SNCM439 40CrNiMo Supply Situation
	Flat Bar / Plates	Round Bar
Thickness/ Dia	10-300mm	16 -450mm
Surface	Black Surface	Black Surface/ Turned Surface
Delivery Condition	Hot Rolled / Hot Forged ; Annealed / Q+T ; Two side Cutting/ Four Side Cutting	Hot Rolled / Hot Forged ; Annealed / Q+T ;

Products

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SAE4340 1.6511 SNCM439 40CrNiMo Mechanical Alloy Steel

SAE4340 1.6511 SNCM439 40CrNiMo alloy steel is mainly used to make high-strength parts, such as aircraft engine shafts, shafts, gears, fasteners, etc.

SAE4340 1.6511 SNCM439 40CrNiMo alloy steel has high hardenability and is suitable for various high-strength and high-wear-resistant applications.

SAE4340 International Standard:

GB	DIN	AISI	JIS	BS
40CrNiMo	SNCM439	SAE4340	1.6511	EN24

SAE4340 Chemical Composition(%)

C	Si	Mn	P	S	Cr	Mo	Ni	Cu
0.37-0.44	0.17-0.37	0.50-0.80	≤0.025	≤0.025	0.6-0.9	0.15-0.25	1.25-1.65	≤0.30

SAE4340 Available Size :

Plate Size(mm)			Flat Bar Size(mm)			Round Bar Size(mm)
Thickness	Width	Length	Thickness	Width	Length	Diameter	Length
10-300	2000-2300	5800-6000	10-300	210-1300	2000-2300	16-450	3000-6000

SAE4340 Delivery Condition:

Black Surface

Hot Rolled / Forged ; Q+T ; Two Side Cutting / Four Side Cutting

SAE4340 Delivery Time:

The stock SAE4340 sizes will be delivered within 10-15 days.

The customized, will be about 30-35 days.