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BS S143 Stainless Steel Bar

Similar to 300 series stainless steels.

BS S143 finds typical use in aerospace and defence engineering and high technology mechanical applications.

BS S143 stainless steel bars provide high strength and good toughness.

BS S143 is a precipitation-hardening stainless steel and a BS aerospace grade that combines moderate to good corrosion resistance and high mechanical strength in various applications.

The alloy offers moderate to good corrosion resistance in various atmospheres, which is similar to 300 series stainless steel. Welding and machinability of the alloy are not problematic. All BS S143 billets (where practical) are subjected to ultrasonic inspection in compliance with British Standards. As the material shares common chemical composition traits with S144 and S145, the alloy may be precipitation hardened using different temperature ranges to achieve the same mechanical properties of these materials. This material also offers similar property combinations when compared to 17/4PH.


Applications

BS S143 finds typical use in aerospace and defence engineering and high technology mechanical applications.



BS S143 Stainless Steel Bar Datasheet

Stock Availability

We stock S143 stainless steel bars in the finally heat-treated condition as BS S143B (black bar), BS S143C (forgings) and BS S143D (bright bar).



Product Features:

    1.4594
    BS S100
    BS S143
    FV520B
    UNS S45000
    X5CrNiMoCuNb14-5

    Fasteners
    Gas turbine blades
    Undercarriage components
    Mechanical components

    Good corrosion resistance
    High strength
    Good toughness
    Good weldability

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