Steels with good machinability Rm < 750 N/mm² (101,500 PSI) Nodular graphite, Malleable cast iron
Heat treated and heat-resistant steels Rm < 1,000 N/mm² ( <30 HRC / <290 HB / <145,000 PSI )
Stainless steels and structural steels Rm < 600 N/mm² ( <200 HB / <101,000 PSI )
High alloyed steels Rm = 1,000 ÷ 1,300 N/mm² ( 30÷40 HRC / 300÷385 HB / 135,000÷185,000 PSI )
High alloyed steels hardness Rockwell = 40 ÷ 63 HRC
COLD FORMING All ductile material
HIGH TECHNOLOGY Plain-carbon steel, Alloyed / tempered steel up to tensile strength 1,300 N/mm² Stainless steel, Spheroidal graphite, Malleable cast iron, Long-chiping aluminium and Copper alloys
Nickel alloys
Titanium alloys
Grey cast iron
Short chip brass, Bronze
Wrought aluminium alloys Si < 10% (long-chipping)
Cast aluminium alloys Si < 10% (short-chipping)
Steels with good machinability Rm < 750 N/mm² (101,500 PSI) Nodular graphite, Malleable cast iron Long chip brass, Cast aluminium alloys Si > 10% ( short-chipping )
HSSE ( 3%V ) Heat treated and heat-resistant steels Rm < 1,000 N/mm² ( <30 HRC / <290 HB / <145,000 PSI )
Stainless steels and structural steels Rm < 1,000 N/mm² ( <30 HRC / <290 HB / <145,000 PSI )
THREAD DRILL MILLS
THREAD MILLING CUTTERS
THREAD MILLING CUTTERS with COUNTERSINK
Steels with good machinability
