418 Greek Ascoloy Stainless Steel Bar

Stainless 418 (Greek Ascoloy®) is a chromium-nickel-tungsten martensitic alloy for services up to 1200 °F.  418 is a deep hardening grade used for application where high resistance to tempering and stress-corrosion cracking are needed.  Stainless 418 can be found in discs in turbine engines, jet engine parts and turbine diffuser components.

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UNS:

S41800

Specifications:

AMS 5616

 

Composition (Nominal)

C-        0.15/0.20

Mn-    0.50

Si-       0.50

P-        0.03

S-        0.03

Cr-    12.00/14.00

Ni-    1.80/2.20

Mo-  0.50

W-   2.50/3.50

Bal.  Fe