Inconel 625 Cladding Boiler Superheater Nickel Alloy SA213 T11

Nickel Alloy/Inconel 625 Inconel Cladding Superheater Steel Tube SA213 T11

Production Information of Inconel Cladding Superheater

The most common problem in surfacing is cracking. The main methods to prevent cracking are as follows

1. Preheat before welding, control interlayer temperature and slow cooling after welding

2. Stress relief heat treatment after welding

3. Avoid multi-layer surfacing and use low hydrogen surfacing electrode

4. If necessary, build up the transition layer between the surfacing layer and the base metal (use the electrode with low carbon equivalent and high toughness)

Attention must be paid to butt welding:

1. According to the use requirements, reasonable selection of surfacing alloy

2. Reduce the dilution ratio of base metal as much as possible

3. Improve productivity

4. It is expected that the hardfacing metal and base metal have similar expansion coefficient and phase transformation temperature

Purpose of Inconel Cladding on surface :

1. Extend service life

2. Reduce costs

3. Reduce spare parts

4. Reduce maintenance

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