OK 86.08 SMAW
Type Lime-basic E7-UM-200-K
Description
OK 86.08 deposits an austenitic-manganese
steel alloy which work-hardens under impact and
compressive stresses. The electrode is primarily
used for surfacing and building up manganese
steel components such as crusher jaws and
hammers. The interpass temperature should be
kept as low as possible.
Welding current

AC, DC+ OCV 70 V
Classifications
DIN 8555 E7-UM-200-K
Typical all weld metal composition, %
C             Si            Mn
1.1           0.8          13.0
Typical mech. properties all weld metal
Weld metal hardness, a w 180-200 HB
(No preheat, interpass
temperature 100-150°C)
Weld metal hardness, w h 44-48 HRC
(approx. 25% reduction)
Machinability Grinding
Impact resistance Excellent
Metal-to-metal wear resistance Very good

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