Stainless 418 / Greek Ascoloy®
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 are seamless pipe, welded pipe, seamless tube, welded tube, bar, wire, sheet, plate, forgings, pipe fittings and flanges.
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Specifications |
AMS 5508, AMS 5616 ASTM A565 Grade 615 |
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C (Carbon content) |
.15 - .20 |
| MN | .50 |
| P | .04 |
| S | .03 |
Si |
.50 |
Cr |
12.0 - 14.0 |
Ni |
1.8 - 2.2 |
Mo |
.5 |
Cu |
.5 |
Co |
.08 |
N (Nitrogen content) |
.10 |
| W | 2.5 - 3.5 |
Sn (Tin content) |
.50 |
Al (Aluminum content) |
|
Fe (Iron content) |
|
| cb+Ta | |
Zr (Zirconium content) |
|