產(chǎn)品詳情
Classifications basic coated stick electrode with high carbon content
EN ISO 3581-A Material-No.
EZ 25 35 Nb B 6 2 1.4853
Characteristics and field of use
UTP 2535 Nb is suitable for joining and surfacing of heat resistant CrNi-cast steels (centrifugal-
and mouldcast parts) of the same or of similar nature, such as
1.4848 G–X 40 CrNiSi 25 20
1.4852 G–X 40 NiCrSiNb 35 26
1.4857 G–X 40 NiCrSi 35 26
It is used for operating temperatures up to 1150 °C in carburized low-sulphur combustion
gas, . rebing ovens in petrochemical plants.
Typical analysis in %
C Si Mn Cr Ni Nb Ti Fe
0,4 1,0 1,5 25,0 35,0 1,2 0,1 balance
Mechanical properties of the weld bl
Yield strength RP0,2 Tensile strength Rm Elongation A
MPa MPa %
> 480 > 700 > 8
Welding instruction
Hold stick electrode vertically with a short arc and lowest heat b. String beads are
welded. The interpass temperature of 150 °C should not be exceeded. Re-dry stick electrodes
for 2 – 3 hours at 250 – 300 °C
Welding bs
Current type DC (+)
Form of delivery and recommended welding beters
Electrodes Ø mm x L 2,5 x 300 3,2 x 350 4,0 x 400 5,0 x 400
Amperage 50 – 70 70 – 120 100 – 140