Stainless 418 / Greek Ascoloy®

Chemical Analysis

C

.15- .20

MN

.50

P

.04

S

.03

Si

.50

Cr

12.0- 14.0

Ni

1.8- 2.2

Mo

.5

Cu

.50

Co

.08

N

.10

W

2.5- 3.5

Sn

.50

Stainless 418 (Greek Ascoloy®) is a chromium-nickel-tungsten martensitic alloy designed for services up to 1200 °F. Stainless 418 is an extremely deep hardening grade used for application where high resistance to tempering and stress-corrosion cracking are desired.

Available forms of Stainless 418​ are seamless pipe, welded pipe, seamless tube, welded tube, bar, wire, sheet, plate, forgings, pipe fittings and flanges.

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