Varzene Metal / Greek Ascoloy / Iron Based Super Alloys / Super Alloys
VAR® 418 / Alloy 418, also known as Greek Ascoloy, is a heat-resistant martensitic chrome-tungsten-nickel stainless steel. It is designed for use in high voltage components up to 649 ºC. Typical heat treatment at 980 ºC - 1010 ⁰C followed by air or oil quenching depending on material thickness and 2 hours annealing at 620 ºC minimum, superior creep to VAR® 418 / Alloy 418 / Greek Ascoloy compared to the general properties of 12% chromium stainless steels It gives strength and resistance to stress-corrosion cracking and annealing. It is used in compressor components, steam and gas turbine blades, steam turbine buckets, high temperature bolts.
| Superalaşım | Grup | W.Nr. | UNS | Marka Adı | Spesifikasyon | Açıklama |
|---|---|---|---|---|---|---|
| Alloy 418, VAR® 418 | Iron Base | S41800 | Greek Ascoloy | AMS 5616, AISI 615 | Hardenable chromium-nickel-tungsten martensitic alloy. It is designed for use in highly stressed parts at temperature up to 1200ºF (649ºC). |
| Malzeme | UNS | Type | C | Mn | S | P | Si | Cr | Ni | W | Mo | Fe |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| VAR® 418 / Alloy 418 | S41800 | Alloy 418 | 0.15-0.20 | ≤0,50 | ≤0.030 | ≤0.040 | ≤ 0,50 | 12,0-14,0 | 1,80-2,20 | 2,50-3,50 | ≤0.50 | Kalan |
| SAC | |||
| KALINLIK [mm] | GENİŞLİK [mm] | UZUNLUK [mm] | |
|---|---|---|---|
| 0,5 - 8 | ≤ 300 | ≤ 3000 | soğuk hadde |
| 9 - 30 | üretim genişliği | üretim uzunluğu | sıcak hadde |
| ŞERİT | |||
| KALINLIK [mm] | GENİŞLİK [mm] | KANGAL I.D. [mm] | KANGAL AĞIRLIK [kg] |
|---|---|---|---|
| 0,10 - 0,5 | 15 - 250 | ≤ 125, 175, 300 | max. 250 |
| 0,50 - 1,2 | 20 - 250 | ≤ 300, 400, | max. 500 |
| 1,2 - 8,0 | 20 - 270 | 500 | max. 800 |
| ÇUBUK | |
| ÇAP [mm] | UZUNLUK [mm] |
|---|---|
| 10 - 350 | 1000 - 5000 |
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