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Rockwell Range

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Updated 2007-03-10 08:11

Summary

Rockwell Ranges.

Low Carbon 1008/1010

TemperRockwell Range
Full Hard >.070B84 minimum
Full Hard <.069B90 minimum
Half HardB70-85
Quarter HardB60-75
SoftB65 maximum
DQB55 maximum
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300 series Stainless

(301 bought to physical properties, not Rockwell)
TemperRockwell Range
Extra HardC45-50
Full HardC40-45
3/4 HardC35-40
Half HardC30-35
Quarter HardC25-30
SoftB87 max
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Spring Steel

TypeRockwell Range
1050 annealedB84 maximum
1074 annealedB86 maximum
1095 annealedB88 maximum
1074 Special Temp.Approx C40 minimum
1095 Blue Temp.C44-47
1074 Scaleless Temp.C48-51
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Tin Plate

TemperRockwell Range
T-130T46-52
T-230T50-56
T-330T54-60
T-430T58-64
T-530T62-68
T-630T67-73
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See Also