SG Extra material is
Manufactured in Rod, Bar and coil
WS 1.2516 Silver Steel
Material Features:
This product is a steel for
tools and die making part. The high content of carbon grants a
hardening to the core, even for bid diameters. It is a steel for
upper class tools: The low content of sulphur will allow the welding of
this material.
Availability
coils: Cold drawn +
polished: 10-35kg/coil
Bars: Ø0-1.99mm: cold
drawn and polished
Bars: Ø 2.00-40mm: cold
drawn, ground and polished
Bar Lengths: 2m (3m)
Surface roughness N5-N6
Tensile Strength
about 750 N/mm2
Standard tolerances
Diameter : h8
Out of Roundness/eccentricity:
1/2 of dia tolerance
Tolerance in length: +/-30mm
Heat treatment
Hardening water :790-810 ºC
above dia 10mm
Oil: 810-830 ºC above dia 10mm
Max obtainable hardness 64-66 HRC
Cutting rate
10-20m/min (approximate value,
depending on the lubrication oil, the cutting tools, the shape of parts
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