HPA COBALT alloy 6B Wear Resistant AMS 5894 MCS1012 PWA1196 (Co-Cr-W) (UNS R30016) Co 59.0, Cr 30.0, W 3.5, Ni 2.5, Mn 1.4, C 1.0 Description

HPA COBALT alloy 6B (Co-Cr-W) (UNS R30016)
Co 60, Cr 28, W 4.50, C 1.15, Si 1.1

High Performance Alloys stocks and produces this grade in the following forms: Bar, sheet, plate and forgings. Request quote on this grade. See our on-line catalog for sizes stocked

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Wear Resistance

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Wear Compatibility of 6B wear compared to NITRONIC 60 and 17-4PH Against Various Alloys
Alloy	Hardness	17-4 PH (HRC 43)	NIT 60 (HRB 95)	Cobalt 6B (HRC 48)
304	HRB 99	24.7	6	3.1
316	HRB 91	18.5	4.3	5.5
17-4 PH	HRC 31.5	66.1	4.9	2.7
17-4 PH	HRC 43	52.8	5.4	3.8
NIT 32	HRB 95	17.2	3.2	2
NIT 50	HRB 99	15.7	3.5	2.9
NIT 60	HRB 95	5.4	2.8	1.9
Cobalt 6B	HRC 48	3.8	1.9	1
Chrome Plate	---	3.3	2.1	0.3
Silicon Bronze	HRB 93	2	2.2	1.9
K-500 Monel	HRC 34	34.1	22.9	18.8
416	HRC 24	---	5.5	43
431	HRC 32	---	3	1
Waspaloy	HRC 36	---	3.1	2.4
IN 718	HRC 38	---	3.1	2.7
IN X-750	HRC 36	---	5.5	8
Weight Loss of Couple (mg/1000 cycles)

This wear data republished from Armco brochure. NITRONIC is a trademark of AK Steel.