Elgiloy alloy(Co40CrNiMo),AMS 5833,UNS R30003,Chinese 3J21 This Cobalt-Chromium-Nickel alloy gives a combination of high strength, ductility and good mechanical properties and is age hardenable. Elgiloy also has excellent fatigue life, corrosion resistance in numerous environments and is non-magnetic. It has high corrosion resistance and low relaxation stress at the height of 600 ℉.
Forms: Sheet/Plate, Bar/Rod/Wire/Coil

Description

This Cobalt-Chromium-Nickel alloy gives a combination of high strength, ductility and good mechanical properties and is age hardenable. Elgiloy also has excellent fatigue life, corrosion resistance in numerous environments and is non-magnetic. It has high corrosion resistance and low relaxation stress at the height of 600℉.

Application

Springs ,Seal components, Medical devices, Components for watches, Aerospace applications, Petro-chemical applications, Marine engineering.

parameter

Cross Reference

Russia	USA	Japan	France	Standard
40KHXM	Elgiloy	NAS604PH/K.R.N	Phynox	YB/T5253-1993

Chemical Composition (%)

Si	P	S	C	Mn	Ni	Cr	Co	Mo	Fe
≤
0.60	0.010	0.010	0.07-0.12	1.70-2.3	14.0-21.0	19.0-21.0	39.0-41.0	6.50-7.50	Balance

Physical Property

Item	Target
Modulus of Elasticity E/Mpa	196000～215500
Shear Modulus G/Mpa	73500～83500
Density (g/cm3)	8.4
Mean coefficient of linear expansion20-100°C/(10-6/K)	14
Resistivity ρ /(μΩ•m)	0.29
Magnetic Rate k/106	50～1000

Mechnical Property

shape	Delivery state	Thickness&diameter	Tensile strength(ób/Mpa)	Elongation δ(%)≥
sheet	Cold rolling	0.20-2.50	1175～1470	5
			1470～1765	3
wire	Cold drawn	0.20-5.00	1275～1570
			1570～1865

Size Range

Sheet	Thickness: 0.10mm~2.50mm, width:10.0~210mm
Plate	Thickness: 2.5mm~40.0mm,width:≤500mm
Round Wire	Dia 0.1mm~Dia 7.0mm
Flat Wire	Dia 0.5mm~Dia 7.0mm,length:≤1000mm
Bar	Dia 7.0mm~Dia 10.0mm,length:≤2000mm

Condition: (With max tolerance) hot rolled, cold rolled, cold drawn,bright