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Continuous furnace process for welding steel pipes

2016-12-21View Original

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Everyone, for welded steel pipes, are straight-seam high-frequency electric welding, straight-seam submerged arc welding, or spiral-seam submerged arc welding processes generally used (in accordance with GB3091-2015)? Has continuous furnace welding for pipes been phased out? If not, what are the relevant standards?
Reply #22016-12-21
I hope those who know more can offer some suggestions – could welding in consecutive batches help reduce costs?
Reply #32016-12-22
Since it’s been moved to this topic, I guess even fewer people will answer it.

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