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Butt welding of 13Cr tubing
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Butt welding of 13Cr tubing
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Butt welding of 13Cr tubing

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  Post Number #1  
Old 17th April 2018, 04:46 AM

Total Posts: 1
Please Help! Butt welding of 13Cr tubing

We used API 5CT tubing for temporary installation for produced water, oil service etc. These tubing’s has following specs:
1. Sizes: 2-7/8’’, 3-1/2’’, 4-1/2’’
2. Material: L 80 (9Cr, 13Cr)
3. End connections: BC, EU, NU etc
4. Max Pressure: 1200psi
5. Temperature: 220F
Generally all tubings are connected through provided end connections. In our new project we intend to use API 5CT tubing as flowline. On same crossings, we intend to perform Butt welding of L80 13Cr tubing using following electrode.
1. Using E410NiMo-16 filler wire, SMAW
2. ERNiCrMo3 filler wire, GTAW
Following are question:
- Does butt welding is acceptable on tubing.
- Which filler wire is appropriate without PWHT.

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