ZANDER Kobastell 21U
EN 14700
E Co 1-300-cktz
DIN 8555
E 20-UM-300 CTZ
AWS A 5.13
~E CoCr - E
Applications / Features
stick electrode for wear-resistant
Hardfacing welds on unalloyed and low-alloy and
high-alloy, heat-, corrosion- and acid-resistant
steels and steel castings.
Distinguished by a particularly favourable
coefficient of friction under wear conditions "metal against
metal".
temperature resistance up to 800°C;
briefly up to 1100°C.
Applications
High-temperature special alloy for
Hardfacing welds that are subjected to temperature cycling
are subjected to.
Particularly suitable for impact- and shock-resistant
hard surfacing of hot-work tools such as:
forging dies,
hot piercing punches,
Hot trimming tools.
Indicative analysis [%]
C
Cr
Ni
Mo
Co
0,30
31,00
3,50
5,00
balance
Recovery
130%
Redrying
320°C / 2h
Current type
=(+) / ~
Positions
pa
pb
pc
Properties: (without heat treatment; indicative values at room temperature)
hardness
27 - 31 [HRC]
Dimensions
Ø [mm]
Length [mm]
Welding current [A]
2,5
350
70 - 100
3,2
350
90 - 120
4,0
350
120 - 155
5,0
350
150 - 190
Request product documents
Pascal Schünemeier
Sales Management
Do you have questions about our welding consumables or need advice on selecting the right product?