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GM 811

SOLID WIRE FOR MIG WELDING

IDENTIFICATION
GM 811, ERNiCu7

CLASSIFICATION
AWS/SFA 5.14 ERNiCu7, DIN 1736 SG – NiCu30MnTi (2.4377)

DESCRIPTION
Nickel base filler wire suitable for joining and surfacing of Nickel Copper –clad steels. The welds are of X-ray/radiographic quality. Mn & Ti are added for refinement and for suppressing porosity.

CHEMICAL ANALYSIS (RANGE) %

C Mn Si S P Al Fe Ni Cu Ti
0.15 max 4.0 max 1.25 max 0.015 max 0.02 max 1.25 max 2.50 max 62.0 - 69.0 Balance 1.5 - 3.0

MECHANICAL PROPERTIES (RANGE)

TS (N/mm²) EL (%) (L=4D)
480 - 580 30 - 40

TYPICAL APPLICATIONS

  • For surfacing nickel copper alloys, nickel copper clad steel.
  • Chemical and petrochemical industries fabrication of sea water evaporations plants and marine equipements
  • ASTM UN NO 4400, UNS NO 440S, NO 5500
  • Inco Monel 400, R405, K500
  • Heat exchangers, piping, vessels

WELDING INSTRUCTIONS

Clean thoroughly the welding area / zone. Vee angle of the butt joint should be 70ºC.

SHIELDING GAS : Pure Argon 99.99% plus back purging

PACKING PARAMETERS

Size (mm) Weight / Spool (kg)
0.8 12.5
1 12.5
1.2 12.5