Selectarc Co25

Brand
Ceweld product
Type
Cobalt-based thermo shock resistant alloy for overlay applications. ( E Z Co1, Dur 25 )
classification
EN ISO
14700: ~E Co1
DIN
8555: E 20-UM-300- CTZ
Applications

Cladding valve seats, Gasturbine components. Metal working tools like piercing points, forming tools and extrusion dies that are exposed to metal on metal wear in combination with thermal fatigue. Also furnace hardware

Type
Cobalt-based thermo shock resistant alloy for overlay applications. ( E Z Co1, Dur 25 )
Applications

Cladding valve seats, Gasturbine components. Metal working tools like piercing points, forming tools and extrusion dies that are exposed to metal on metal wear in combination with thermal fatigue. Also furnace hardware

Properties

CEWELD E DUR 25U is a Cobalt based electrode developed to resist high impact load, high heat, thermal shock, hot corrosion, compression, abrasion, erosion and many other forms of attack. The weld deposit is machinable with carbide tools.

Classification
EN ISO
14700: ~E Co1
DIN
8555: E 20-UM-300- CTZ
Suitable for

Valves in chemical and steam plants, Gasturbine components, Tong bits, Share blades, Hot forging and stamping tools, Hot dies, Aerospace industry, Turbo charger buckets, Hot liquid pumps etc.

Welding positions
PA
PB
PC
Redrying
Not required
Analysis
C Mn Cr Ni Mo Nb V Fe W Co Cu Al Si Ti B N
0.1 2 20 10 1 3 15 Rem.
Mechanical Properties
Heat
Treatment
RP0,2
(MPa)
Rm
(MPa)
A5
(%)
Hardness
As Welded 25 HRc