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  • PRODUCT SPECIFICATIONS
  • PACKAGING
Type
Cobalt-based thermo shock resistant alloy for overlay applications
classification
AWS
A 5.13: E CoCr-E
EN ISO
14700: E Co1
DIN
8555: E 20-UM-350- CTZ
Applications

Cladding valve seats, repairing machining tools. Repair of damage due to erosion, high temperature and corrosion. Many applications in the high pressure steam, oil and petrochemical.

Type
Cobalt-based thermo shock resistant alloy for overlay applications
Applications

Cladding valve seats, repairing machining tools. Repair of damage due to erosion, high temperature and corrosion. Many applications in the high pressure steam, oil and petrochemical.

Properties

Excellent resistance to thermal and mechanical shock. High temperature strength.

Classification
AWS
A 5.13: E CoCr-E
EN ISO
14700: E Co1
F-nr
71
DIN
8555: E 20-UM-350- CTZ
Suitable for

Stellite 21 alloy for cladding Seats and Valves etc. low friction due to high cobalt content

Welding positions
PA
PB
PC
Redrying
Not required
Analysis
C Si Mn Ni Mo Nb Ti V Fe W Cr Co Cu Al B N
0.3 0.9 1 3 5.5 3 28 Rem.
Mechanical Properties
Heat
Treatment		 RP0,2
(MPa)		 Rm
(MPa)		 A5
(%)		 Hardness
As Welded 35 HRc
product sheet
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MSDS
E DUR 21U stellite stick welding electrode
E DUR 21U stellite stick welding electrode
Packing info
E DUR 21U 2,4 x 350mm
Packaging KG/unit EanCode
Can 2,8 8720663402165
E DUR 21U 4,0 x 350mm
Packaging KG/unit EanCode
Can 2,8 8720663402189
product sheet
Ask quotation
MSDS