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    Grades of Steel

    AISI/SAE WNR JIS TECHNICAL CHARACTERISTICS & APPLICATIONS

    AUSTENITIC STAINLESS STEELS

    201/201M - - Used for decorative items, baskets, racks, handles and utensils
    204Cu - - Used for fasteners, forging, machinery and bending applications
    201Ni3 - - Used mainly for fasteners
    202 - - Used for engineering, architectural and medium-temp. applications
    304 1.4301 SUS304 18/8 steel for wide range of general applications.
    304L 1.4306 SUS304L Good resistance to intergranular corrosion.
    316 1.4401 SUS316 18/10 steel with good resistance to corrosion and pitting
    316L 1.4404 SUS316L Good resistance to general, intergranular and pitting corrosion.

    FERRITIC AND MARTENSITIC STAINLESS STEELS

    403 1.4024 SUS403 For structural parts of high hardness.
    409 1.4512 SUS409 For high hardness applications
    410 1.4006 SUS410 Used for pumps, petro chemicals and machinery parts
    416 1.4005 SUS416 Free-cutting quality suitable for machined and threaded parts
    420 1.4021 SUS420J1 Hardenable martensitic steel used mainly for shafts
    420C 1.4034 SUS420J2 Used for severely stressed Shafts, Braking Systems, Knives, etc.
    430 F 1.4104 SUS430F Used for pump shafts
    430 1.4016 SUS430 Non-hardenable for decorative trim.
    431 1.4057 SUS431 Used for valves, pump shaft and bolts

    CARBON ALLOY STEELS

    52100 100Cr6 SUJ2 Through hardening Carbon-Chrome Steel for bearings and wear-parts.
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