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ISO 40CrMnNiMo8-6-4① Enquiry | Print this page

40CrMnNiMo8-6-4① Application:Carbide for cutting tools

Category	Type	Steel grade	Standard	Country
Grades	Special Alloy	40CrMnNiMo8-6-4①	ISO	ISO

Chemical composition % of the ladle analysis of grade 40CrMnNiMo8-6-4①

C(％)	Si(％)	Mn(％)	P(％)	S(％)	Cr(％)	Ni(％)	Mo(％)
0.35-0.45	0.20-0.40	1.30-1.60	≤0.030	≤0.030	1.80-2.10	0.90-1.20	0.15-0.25

Mechanical properties of grade 40CrMnNiMo8-6-4①

Proof strength Rp0.2 (MPa)	Tensile strength Rm (MPa)	Impact energy KV (J)	Elongation at fracture A (%)	Reduction in cross section on fracture Z (%)	As-Heat-Treated Condition	Brinell hardness (HBW)
765 (≥)	696 (≥)	42	43	41	Solution and Aging, Annealing, Ausaging, Q+T,etc	431

Physical properties of grade 40CrMnNiMo8-6-4①

Property	Density kg/dm3	Temperature T °C/F	Specific heat J / kgK	Thermal conductivity W/mK	Electric resistance µΩ·cm	Modulus of elasticity kN/mm2	Expansion rate
624 (≥)	737 (≥)	23	33	14	Solution and Aging, Annealing, Ausaging, Q+T,etc	433
Temp. °C/°F	Creep strain limit (10000h) (Rp1,0) N/mm2	Creep rupture strength (10000h) (Rp1,0) N/mm2
112	196	522

40CrMnNiMo8-6-4① Range of products

Product type	Products	Dimension	Processes	Deliver Status
Plates / Sheets	Plates / Sheets	0.08-200mm(T)*W*L	Forging, hot rolling and cold rolling	Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Steel Bar	Round Bar, Flat Bar, Square Bar	Φ8-1200mm*L	Forging, hot rolling and cold rolling, Cast	Black, Rough Turning, Shot Blasting,
Coil / Strip	Steel Coil /Steel Strip	0.03-16.0x1200mm	Cold-Rolled & Hot-Rolled	Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Pipes / Tubes	Seamless Pipes/Tubes, Welded Pipes/Tubes	OD:6-219mm x WT:0.5-20.0mm	Hot extrusion, Cold Drawn, Welded	Annealed, Solution and Aging, Q+T, ACID-WASHED

Cross Reference Table(Equivalent Grade)

Grade	Standard	Country	Application
40CrMnNiMo8-6-4	ISO	ISO	Alloyed CrMnNiMo steel

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