Listing ID #1614489
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HSS GRADES:
MOLYBDENUM GRADES: M2, M3/2, M4, M35, M42
TUNGESTEN GRADES: T1, T4, T5, T15, T42
Sizes & Ranges of above HSS mentioned grades:
ROUND Dia:
ï¶ Small Dia 20mm to 63 mm
ï¶ Medium Dia: 65 mm to 160 mm
ï¶ Large Dia: 165mm to 350 mm
FLATS: (W) 10mm – 250mm to (H) 20mm – 100mm x Length (meters)
Characteristic properties HSS grades:-
ï¶ High working hardness
ï¶ High wear resistance
ï¶ High retention of hardness and red hardness
ï¶ Excellent toughness
Alloying elements present in HSS properties:
ï¶ Carbon : forms carbides, increases wear resistance, is responsible for the basic matrix hardness.
ï¶ Tungsten and molybdenum: improve red hardness, retention of hardness and high temperature strength of the matrix, form special carbides of great hardness.
ï¶ Vanadium: forms special carbides of supreme hardness, increases high temperature wear resistance, retention of hardness and high temperature strength of the matrix.
ï¶ Chromium: promotes depth hardening, produces readily soluble carbides.
ï¶ Cobalt: improves red hardness and retention of hardness of the matrix.
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