Part Number WS 1.4197

Technical Data Sheet

Chronifer Labor M-Plus is a hardenable alloyed free-cutting stainless steel for high precision parts, with a better corrosion resistance than AISI 420 F (1.4034 +S) which is manufactured in Rod, Bar and coil.

Chemical Composition Limits
Weight %	C	Si	Mn	Cr	S	Mo	Ni	Fe
CHRONIFER LABOR M-PLUS	0.20-0.25	0.60 max	1.50 max	12.50-14.00	0.15-0.25	0.75-1.25	1.0-1.20	Rem
Other Chemically similar Specifications
Weight %	C	Si	Mn	Cr	S	Mo	Ni	Fe
WS 1.4197	0.20-0.25	0.60 max	1.50 max	12.50-14.00	0.15-0.25	0.75-1.25	1.0-1.20	Rem
DIN X20CrNiMoS131	0.20-0.25	0.60 max	1.50 max	12.50-14.00	0.15-0.25	0.75-1.25	1.0-1.20	Rem

Material Properties
This product is a compromise between good machinability (S-Content), high wear resistance (Cr-Ni-Mo content) and possibility for hardening (C-Content). Chronifer Labor M-Plus resists to corrosion after tempering and a forced polishing of the parts.

Availability
Coil: Ø 0.50 - 3.00mm for Escomatic machines
Bars: Ø 1-1.90mm cold drawn (ground on request)
Ø 2-10.00mm ground and polished
Standard bar length: 3m surface roughness Ra 0.4 (N5-N6)

Standard Tolerances
Diameter: h8 (more accurate with short delivery on request)
Length: +/- 30 mm
Out of roundness/eccentricity: 1/2 of dia tol.

Heat Treatment
Hardening: 1000-1050 ºC, slow furnace cooling (2-4 hours)
Soft annealing: 750-850 ºC
Max obtainable hardness 48-52 HRC

Cutting Rate
40-55m/min (approximate value, depending on the lubrication oil, the cutting tools, the shape of parts)

For all stock and size availability contact Sales.

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Disclaimer
Every effort is made to ensure that technical specifications are accurate. However, technical specifications included herein should be used as a guideline only. All specifications are subject to change without notice.