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Type
Cobalt-based thermo shock resistant alloy for overlay applications.
classification
AWS
A 5.21: ERCoCr-A
EN ISO
14700: S Co2
Toepassingen
Steam-valves, high temperature liquid pumps, hot cutting tools, exhaust valves.
Type
Cobalt-based thermo shock resistant alloy for overlay applications.
Toepassingen
Steam-valves, high temperature liquid pumps, hot cutting tools, exhaust valves.
Eigenschappen
Outstanding alloy against abrasion, thermo-shock and corrosion combined with high temperatures. The weld deposit can be machined with tungsten tool tips and by grinding. The hardness of the weld deposit will degrees 16% at 300°C and about 30% at 600°C. The weld deposit is high heat resistant up to 900°C. DUR 6 offers a low coefficient of friction of 0.12 and exceptional resistance to galling. It has cavitation-erosion resistance ten times that of 304 stainless steel, DUR 6 can be used to protect bearing surfaces in non-lubricating conditions due to its resistance to metal-to-metal wear.
Classificatie
AWS
A 5.21: ERCoCr-A
EN ISO
14700: S Co2
F-nr
71
Geschikt voor
Stellite 6 alloy for, Steam-valves, high temperature liquid pumps, hot cutting tools, exhaust valves and seats
Lasposities
Gas acc. EN ISO 14175
I1
Mechanische waarden
| Heat Treatment |
RP0,2 (MPa) |
Rm (MPa) |
A5 (%) |
Hardness |
|---|---|---|---|---|
| As Welded | 40 HRc |
