ZANDER Kobastell 6U Co
EN 14700
E Co2-40-cstz
DIN 8555
E 20-UM-40 CTZ
AWS A 5.13
E CoCr-A
Applications / Features
High-performance electrode for hardfacing welds on
working surfaces subjected to heavy impact and
impact stress at high temperature
.
High cavitation and erosion resistance.
Good sliding properties "metal on metal".
Thermal-shock resistant.
microstructure:
Cr and W carbides in an austenitic Co matrix.
Applications
Suitable for hardfacing on:
hot slab and billet shears,
Warmextruderdusen, grinding equipment etc.
Suitable for sealing surface overlay of:
Steam, gas, water and acid fittings,
valve seats in combustion engines.
Indicative analysis [%]
C
Cr
W
Co
1,10
27,50
4,50
balance
Recovery
170%
Redrying
320°C / 2h
Current type
=(+) / ~
Properties: (without heat treatment; indicative values at room temperature)
hardness
42 [HRC]
Dimensions
Ø [mm]
Length [mm]
Welding current [A]
2,5
350
70 - 110
3,2
350
100 - 140
4,0
450
140 - 180
5,0
450
180 - 220
Request product documents
Pascal Schünemeier
Sales Management
Do you have questions about our welding consumables or need advice on selecting the right product?