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Chronifer M-4057 material is
Manufactured in Rod, Bar and coil
AISI 431 Stainless Steel
without Sulphur
Material Properties
AISI 431 has a better corrosion
resistance (after hardening and polishing of the parts) then the 420 or
420F because of low carbon and sulfur content, plus so percentage of
Nickel and Molybdenum.
Availability
Bars: cold drawn, ground and
polished
Bars Length: 3m surface
roughness N5-N6
Standard Tolerances
Diameter
ISA h7
Length of bars: +50/-0 mm
Out of roundness/eccentricity:
1/2 of diameter tol.
Heat Treatment
Hardening: 950-1050 C
Soft annealing: 600-800C
Max obtainable hardness 47 HRC
Cutting rate
20-30 m/min (approximate value,
depending on the lubrication, the cutting tools, the shape of parts)
Stock Range:
Ø 3.00-8.00 mm round full
material in stock, other dimensions on request
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