Page 153 - Technical Guidbook - Zika industrial Welding Supplies

Z-2900 ALL TYPES OF STEEL ALL TYPES OF STEELS Z- 2911
Maximum Flexibility With Very High Strength

Description: Description:
Stainless steel austenitic welding electrode designed for maintenance and general Repair and maintenance welding electrode. The weld metal is of high strength
repairs. Quiet easy to control arc with no spattering. Welding material is austenitic combined with high crack resistance. Excellent operating characteristics. The weld
enabling welding of almost all types of steel. High ductility, for use under hard metal can be work hardened.
dynamic stresses.
Uses:
Uses: • Unidentified steels.
• Hard to weld steels. • Joining dissimilar steels.
• Armored, spring and manganese steels, tool steel, steel castings. • Tool steels.
• Buffer layer for hard facing electrodes. • Heat treatable or quenched and tempered steels.
• Joining of unidentified or dissimilar steels. • High carbon steels.
• All types of stainless steel. • Spring steels.
• Manganese steels.
Welding position: • Stainless steels etc.
• Wear resisting build-ups on clutches , gear wheels, shafts etc.
Extracting broken bolts:
The Z-2911 electrodes creates an especially strong welding material resistant to
ASME: 1G 2F 2G 3G 4G
ISO 6947 PA PB PC PF PE twisting stress. A quiet arc-ensures a spatterless weld. The electrode should have
smaller diameter then that of the hole. Point welding should be constructed one on
Mechanical Properties: top of the other to the height at which a nut can be welded on top.
Tensile strength: 680 N/mm² Slag should be cleaned, and it is advisable to wait until cooling; then the bolt should
Yield stress: 500 N/mm² be turned and released by using the appropriate wrench.
Elongation: 35%
Impact properties: 90J@20ºC Welding position: Mechanical Properties:
Tensile strength: 800 N/mm²
Re-drying Yield stress: 500 N/mm²
2h/300ºC Elongation: 24%
ASME: 1G 2F 2G 3G 4G Impact: 50J@20ºC
ISO 6947 PA PB PC PF PE
Re-drying
2h/300ºC
Current Diameter Types of Current Diameter Types of
)Amps( in mm Current and Polarity )Amps( in mm Current and Polarity
35-60 5/64 2.0 30-60 5/64 2.0 AC
50-80 3/32 2.5 AC 60-80 3/32 2.5 DC )+(
90-120 1/8 3.25 DC )+( 70-110 1/8 3.25
50V min O.C.V
130-170 5/32 4.0 70V min O.C.V 90-150 5/32 4.0
160-220 3/16 5.0 150-220 3/16 5.0
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