|
OK 86.28
SMAWType Zirconium-basic OK 86.28 is a high-recovery, austenitic-manganese steel electrode containing nickel. It produces a crack-resistant weld metal, which work-hardens under compressive stresses.It is intended for surfacing and building up Mn-steel components exposed to severe impact and moderate abrasion. Typical applications include crusher plates and rolls, bulldozer teeth, cones and mantels of rotary crushers, dredger buckets, rail crossings and so on.The interpass temperature should be kept as low as possible.Welding currentAC, DC+ OCV 70 V
|
|
|
|
|
DB
|
82.039.03
|
|
|
|
|
Seproz
|
UNA 272581
|
|
|
|
|
CE
|
EN 13479
|
|
|
|
|
|
C
|
0,8
|
|
Si
|
<0,3
|
|
Mn
|
14,0
|
|
Ni
|
3,5
|
|
Yield stress, MPa440Tensile strength, MPa690Elongation, %30Weld metal hardness, a w160-180 HBWeld metal hardness, w h42-46 HRCMachinabilityGrinding (overheating must be avoided)Impact resistanceExcellent
|
Charpy V
|
|
Test temps, °C
|
Impact values, J
|
|
+20
|
100
|
|
-20
|
80
|
|
-80
|
45
|
|
-120
|
25
|
|
