Somta - page 51

41
REAMER TECHNICAL DATA
†SeeSpeedConversionChartonpage16/17.
*See tableonpage39.
†
Speed
m/min
*Type
of
Feed
TYPE GRADE
CAST IRONS
Grey
Ductile
Maleable
Hardened & Tempered
HARD
NESS
BRINELL
N/mm²
(MAX)
MANGANESE
STEEL
250
330
52
74
780
1100
AsSupplied
COPPER
ALLOYS
12-15
10-13
12-15
4-5
2-3
20-35
30-45
15-30
10-15
15-45
7-15
H
H
H
M
M-H
M
AsSupplied
Brass Free Cutting
Brass Low Leaded
Bronze Silicon
Bronze Manganese
Copper
Bronze Aluminium
Bronze Commercial
Bronze Phospor
12-15 M-H PLASTICS
Soft
Hard
Reinforced
M-H
M-H
M-H
M
L
ALUMINIUM
ALLOYS AsSupplied 30-45 H
MANGANESE
ALLOYS AsSupplied 35-60 H
ZINC
ALLOYS
AsSupplied 30-45 H
AsSupplied
TYPICAL PHYSICAL
PROPERTIES
TONS
PER
SQ IN.
(MAX)