NiCr21Mo9Nb

Datasheet - 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 =+, TIG =-

Approvals

TÜV (MIG), TÜV (TIG)

Welding position
PA, PB, PC, PD, PE, PF

PA

PA

PB

PC

PC

PD

PE

PE

PF

PF

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

Packaging

Spools	Packaging units
BS 300 / 15 kg	25 spools = 375 kg (Pallet)

BS-300 7 kg

BS-300 box

Rods

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

Box 5 kg

Thats not all

Further related information