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Special welding wire

3545nb nickel base welding material

Quality stability: implement the whole process quality monitoring, meticulous and all-round inspection

Reasonable price: efficient internal cost control, reduce expenditure and benefit customers

Fast delivery: advanced production line, sufficient stock, shortened delivery time

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3545Nb（CN 35/45 Nb-IG）

Chemical composition of 3545nb:

alloy

%nickelchromiumniobiumcarbonmanganesesiliconphosphorussulfuriron

3545

Nb

minimum44341.0 0.40
 1.5

more than
maximum46361.50.501.02.00.030.03amount












Physical properties of 3545nb:

density8.1g/cm3
melting point1340-1385℃

Mechanical properties of 3545nb alloy at room temperature:

    - Yeah.tensile strengthσb (Mpa)yield strengthσ0.2 (Mpa)ElongationA5 %
3545Nb≥600≥380≥8

This alloy has the following properties:

The oxidation resistance of 3545nb is good. After welding, no oxide skin can be formed within 1180 ℃

Metallographic structure of 3545nb:

Face centered cubic lattice structure

The application scope of 3545nb includes:

The typical welding material of 3545nb cracking furnace tube is mainly used for the connection welding and hardfacing of high-temperature heat-resistant steel and high-temperature heat-resistant centrifugal cast tube with similar chemical composition

2. Product specification of this kind of welding wire produced by our company:

Diameter: 3.2mm 2.4mm 2.0mm (generally straight wire)

1.6mm 1.2mm 1.0mm 0.9mm (upper coil welding wire)


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