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#1
10-23-2007, 02:32 PM
 Unregistered Guest Posts: n/a
HRc to HB

What would be the formula used to convert Rockwell Hardness # 35 to HB?
#2
07-16-2008, 12:56 PM
 Ira Guest Posts: n/a
Re: HRc to HB

Between HRC 31 and 40 the formula for an average estimate is
HB=8.570*HRC-27.6
the formula changes as the rockwell scale rises, obviously because the brinell scale is linear, while the rockwell scale is exponential.
#3
11-11-2008, 06:47 AM
 Unregistered Guest Posts: n/a
Re: HRc to HB

I beleive this should read HB=8.570*HRC + 27.6

Since i'm not registered i cant post links.
Google "HRC to HB kennametal". A pdf kennametal posted will be found that has the ranges and formulae.

Also, google "HRC to HB ISO 18265" Vitkovice cylinders posted a conversion table taken from ISO 18265.
#4
03-30-2010, 08:01 AM
 Unregistered Guest Posts: n/a
Re: HB to HRC

Hb to hrc convert formule 149hb
#5
12-17-2010, 01:13 AM
 Avanish kumar Guest Posts: n/a
Re: HB to HRC

Quote:
 Originally Posted by Unregistered Hb to hrc convert formule 149hb
Hrc = HB+27.6/8.570
#6
03-18-2011, 12:27 AM
 Unregistered Guest Posts: n/a
Re: HRc to HB

Hrc=(hb-27,6)/8,570
#7
10-24-2011, 03:40 AM
 Unregistered Guest Posts: n/a
Re: HB to HRC

Quote:
 Originally Posted by Unregistered Hb to hrc convert formule 149hb
Hrc 12 to 20
#8
10-24-2011, 05:24 AM
 Gurdeep Panesar Guest Posts: n/a
Re: HRc to HB

Quote:
 Originally Posted by Unregistered Hrc=(hb-27,6)/8,570
12-20 Hrc
convert into HB
#9
02-06-2012, 06:44 PM
 Unregistered Guest Posts: n/a
Re: HRc to HB

[QUOTE=Unregistered;40274]What would be the formula used to convert Rockwell Hardness # 35 to HB?
#10
01-26-2013, 10:46 PM
 Unregistered Guest Posts: n/a
Re: HRc to HB

10 hrc = ? Hb

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