Page 107 - Technical Guidbook - Zika industrial Welding Supplies

Z-121 Specifications: Specifications: Z-135
DIN: 8555 E 10 UM 55 GR DIN: 8555 E 10 UM 60 GR

Description and Applications: Description and Applications:
• Basic coated electrode for high abrasion with high • Rutile coated electrode for high abrasion with medium
impact applications. impact applications. The weld deposit can exhibit cracks.
• 180% weld metal recovery. The weld deposit can exhibit • 180% weld metal recovery
cracks. Can be used both for buildups and rebuilding. • Suitable for bulldozer blades, crusher hammers, crushing
• Suitable for bulldozer blades, crusher hammers, mills, rock drills,conveyer screws, mixers and plough parts.
crushing mills, rock drills, mixers and plough parts.
Typical all weld metal composition [wt%] Typical all weld metal composition [wt%]
C Cr Nb C Mn Cr Mo
4.0 21.0 6.5 3.6 0.55 32.0 0.95
Typical all weld metal mechanical properties Typical all weld metal mechanical properties
metal hardness abrasive impact machinable heat metal hardness abrasive impact machinable
recovery resistance resistance resistance recovery resistance resistance
160% 56 Rc Excellent High No 500°C 180% 56 HRc Very Good Medium No

Welding position Welding position

ASME: 1G 2F ASME: 1G 2F
ISO 6947 PA PB ISO 6947 PA PB
Current Current
)= +( )= +( ~ Uo : 70v
Re-drying Re-drying
1h/300ºC 1h/300ºC

Dia Length Current Weight Weight Dia Length Current Weight Weight
in mm in mm )amps( kg/100 pcs packet )kg( carton )kg( in mm in mm )amps( kg/100 pcs packet )kg( carton )kg(
1/8 3.25 14 350 115-150 5.3 4.5 13.5 1/8 3.25 14 350 110-140 5.6 4.5 13.5
5/32 4.0 18 450 150-200 10.6 6.0 18.0 5/32 4.0 18 450 160-200 11.2 6.0 18.0
3/16 5.0 18 450 190-240 16.7 6.0 18.0 3/16 5.0 18 450 210-270 17.6 6.0 18.0
108 109