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Part Number WS 1.4057


Technical Data Sheet

Chemical Composition Limits
Weight % C Si Mn P S Cr Mo Ni Fe
CHRONIFER M-4057 0.12-0.22 1.00 max 1.50 max 0.040 max 0.015 max 15.50-17.00 1.5-2.5 2-2.5 Rem
Other Chemically similar Specifications
Weight % C Si Mn P S Cr Mo Ni Fe
WS 1.4057 0.12-0.22 1.00 max 1.50 max 0.040 max 0.015 max 15.50-17.00 1.50-2.5 2-2.5 Rem
DIN X 17 CrNi 16-2 0.12-0.22 1.00 max 1.50 max 0.040 max 0.015 max 15.50-17.00 1.5-2.5 2-2.5 Rem
AFNOR X 17CrNi 16-2                  
AISI 431 0.12-0.22 1.00 max 1.50 max 0.040 max 0.015 max 15.50-17.00 1.5-2.5 2-2.5 Rem

Chronifer M-4057 is a hardenable stainless steel without sulfur. Chronifer M-4057 is manufactured in Rod, Bar and coil (AISI 431 Stainless Steel without Sulphur). For all stock and size availability contact Sales.

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

Services
At Aircraft Materials all stock items can be shipped out within 24 hours, usually within the same day. Even cutting orders for bar or sheet can be processed and dispatched the same day for time-critical situations such as AOGs.

Thanks to our global logistics network we can source from anywhere in the world in just a few days. We use a range of transport partners to enable us to ship overnight within the U.K. and Europe and provide fast shipping solutions to the rest of the world. If your requirement is urgent we can offer a priority shipping service, but also if time is not so critical we can offer more cost-effective options to ensure you get the best value for money. To find out more about our services click here.

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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.

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