Mat.No. 1.1554, DIN C110W, AISI W1

Mat.No. 1.1554, DIN C110W, AISI W1

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  Designation by Standards   Mat. No. DIN EN AISI 1.1554 C110W - W1   Chemical Composition (in weight %)   C Si Mn Cr Mo Ni V W Others 1.05 0.20 0.23 - - - - - -   Description This alloy is one of the common water hardening tool steel grades available. W1 is basically a simple high carbon steel and is easily hardened by heating and quenching in water, just as with plain carbon steel alloys. The W series of tool steels are a very simple alloy group, low...


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    Designation by Standards

     

    Mat. No. DIN EN AISI
    1.1554 C110W - W1

     

    Chemical Composition (in weight %)

     

    C Si Mn Cr Mo Ni V W Others
    1.05 0.20 0.23 - - - - - -

     

    Description
    This alloy is one of the common water hardening tool steel grades available. W1 is basically a simple high carbon steel and is easily hardened by heating and quenching in water, just as with plain carbon steel alloys. The W series of tool steels are a very simple alloy group, low cost, and responsive to simple heating and water quenching for hardening. The alloy does undergo considerable distortion during quenching.

    Applications
    W1 is commonly used for hand operated metal cutting tools, cold heading, embossing taps and reamers as well as cutlery.

    Physical properties (avarage values) at ambient temperature
    Modulus of elasticity [103 x N/mm2]: 210
    Density [g/cm3]: 7.85
    Thermal conductivity [W/m.K]: 45.0
    Electric resistivity [Ohm mm2/m]: 0.20
    Specific heat capacity[J/g.K]: 0.46

    Coefficient of Linear Thermal Expansion 10-6 oC-1

     

    20-100oC 20-200oC 20-300oC 20-400oC 20-500oC
    11.1 12.1 12.9 13.5 13.9

     

    Soft Annealing
    Heat to 680-720oC, cool slowly in furnace. This will produce a maximum Brinell hardness of 213.

    Stress Relieving
    Stress relieving to remove machining stresses should be carried out by heating to approx. 600-650oC, holding for 1-2 hours at heat, followed by air cooling. This operation is performed to reduce distortion during heat treatment.

    Hardening
    Harden from a temperature of 760-800oC followed by water. Hardness after quenching is 65 HRC.

    Tempering
    Tempering temperature: See the data bellow.

    Tempering Temperature (oC) vs. Hardness (HRC)

     

    100oC 200oC 300oC 400oC 450oC
    67 64 56 48 45

     

    Forging
    Hot forming temperature: 1050-800oC.

    Machinability
    W1 is a plain carbon steel and machines with ease. It is the base line of 100% machinability on which machinability of the other tool steels is compared.

    Corrosion Resistance
    This is a plain carbon steel and it will corrode unless protected.

    Welding
    W1 may be welded by all of the standard techniques.

    Disclaimer
    The information and data presented herein are typical or average values and are not a guarantee of maximum or minimum values. Applications specifically suggested for material described herein are made solely for the purpose of illustration to enable the reader to make his own evaluation and are not intended as warranties, either express or implied, of fitness for these or other puposes. There is no representation that the recipient of this literature will receive updated editions as the become available.

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