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7/23/2019 : 8:11 pm : +0200

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Datasheet - NiCr 21 Mo 9 Nb

Welding wires/rods for Nickel alloys

Typical composition in %
Ni ≥ 60
Cr 20 - 23
Fe ≤ 5,0
C ≤ 0,10
Mn 0,5
Si ≤ 0,5
Cu ≤ 0,5
Ti ≤ 0,4
Al ≤ 0,4
Mo 8,0 - 10,0
Nb 3,15 - 4,15
S ≤ 0,015
P ≤ 0,02
Co ≤ 1,0
Classification
EN ISO 18274 S Ni 6625 (NiCr22Mo9Nb)
DIN 1736 SG - NiCr21Mo9Nb
Material No. 2.4831
AWS A 5.14 ER NiCrMo-3
Application
Nickel base wire electrode for welding nickel alloys and could tough nickel steels, joining dissimilar steels and welding joints between austenitic and ferritic metals. Operating temperature -196° C bis +550° C.
Dissimilar joints: Ni-Base with Austenite / Ni-Base with Ferrite / Austenite with Ferrite up to 550° C
Base materials
1.4558 X2NiCrAlTi32-20 2.4631 NiCr20TiAl 2.4605 NiCr23Mo16Al
2.4618 NiCr22Mo6Cu 2.4619 NiCr22Mo7Cu 2.4630 NiCr20Ti
2.4641 NiCr21Mo6Cu 2.4660 NiCr20CuMo 2.4951 NiCr20Ti
2.4816 NiCr15Fe 2.4817 LC-NiCu15Fe 2.4851 NiCr23Fe
2.4856 NiCr22Mo9Nb 2.4858 NiCr21Mo 1.4951 X6CrNi25-20
1.5662 X8Ni9 1.5680 X12Ni5 1.5681 GX10Ni5
1.6907 X3CrNiN18-10 1.6967 X3CrNiMoN18-4 1.4876 X10NiCrAlTi32-20
1.4959 X8NiCrAlTi32-21 Alloy 800, 800HT
Physical properties (Approx. values) at 20° C
Tensile strength Rm [MPa] 800
Specific electr. Resistance [ Ohm mm²/m] 1,28
Density [g/cm³] 8,4
Melting point [° C] 1.350
Thermal conductivity [W/m K] 9,8
Thermal expansion 20 - 100 °C [1/K] 13 * 10-6
Modulus of elasticity [N/mm²] 200.000
Shielding gas
MIG: Ar+1-3% O2, Ar+1-3% CO2, Ar+He+O2, Ar+He+CO2, Ar+He+CO2+H2
WIG: Ar, He, Ar+He, Ar+2-5% H2
Polarity
MIG =+, WIG =-

Approvals

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Dimensions
MIG-wires [mm] 1,0; 1,2; 1,6
TIG-rods [mm] 1,6; 2,0; 2,4

Packaging wires

Images of the packs may be found here...

Spools
BS 300 / 15 kg

Packaging rods

TIG-rods are packed in boxes of 5 kg. The length is 1.000 mm.