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Nickel 903 - The Welding Warehouse, Inc. Nickel 903 - The Welding Warehouse, Inc.

Nickel 903

GTAW Solid Bare Welding Wire, Iron Base — Nickel 903

Nickel 903

Nickel 903 is a low expansion, high temperature, high strength nickel-cobalt-iron filler metal used to produce high quality welds in matching base metals. Large amounts have been used for space shuttle rockets and similar vessels.

Applications:

Stringer beads with controlled low heat input and ultra clean weldment conditions are essential for sound welds.

Specifications:

  • UNS N19903
  • AMS 5806
  • USWC 5806 (V)
  • Incoloy 903
  • 42Fe 38Ni 15Co 3Cb+Ta 1.4Ti 0.92Al (VM)
Nominal Chemical Composition (%)
C Mn Si S P Cr Ni Mo Co
0.06 max 1.00 max 0.35 max 0.008 max 0.015 max 1.00 max 36.00-40.00 0.20 max 13.00-17.00
Nb Ti Al B Cu Ca O N Fe
2.40-3.50 1.20-1.60 0.70-1.15 0.003 max 0.20 max 0.0010 max 0.0025 max 0.0050 max Bal
Typical Weld Properties
Density Melting Range
8.25gm/cc 2400°-2540°F