Alloy Steel Base

The Alloyed steel base microstructure consists of ferrite, pearlite and even some bainite for the higher carbon grades.

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Alloy Steel Base

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Alloy Steel Rolls

Alloyed Steel Base - Chemical Composition

The Alloyed steel base microstructure consists of ferrite, pearlite and even some bainite for the higher carbon grades. These materials have no fall-off in hardness with increasing depth. This material has improved toughness & is typically used in breakdown, roughing and intermediate mills for bloom, billets section and for finishing heavy sections.
HARDNESS (SHORE 'C') C% SI% MN% P% S% CR% NI% MO%
35-40 1.10-1.45 0.45-0.70 0.60-0.80 <0.050 <0.040 0.80-1.10 0.20-0.40 0.20-0.30
40-45 1.20-1.50 0.45-0.70 0.70-0.90 <0.050 <0.040 0.90-1.20 0.35-0.60 0.20-0.30
45-50 1.30-1.60 0.45-0.70 0.70-1.00 <0.050 <0.040 0.95-1.25 0.40-0.60 0.20-0.30
50-55 1.40-1.60 0.45-0.70 0.80-1.00 <0.050 <0.040 1.00-1.30 0.40-0.60 0.20-0.30