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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

 

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.

 

 
 
   
 
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