FIELD: metallurgy, namely production of bands of metal alloy given in specification designed for welding tubes.
SUBSTANCE: process comprises steps of melting alloy; casting ingot; subjecting ingot to hot rolling and then to cold rolling; finally annealing band. Ingot is melt of alloy whose silicon content is no less than 0.1 mass % for providing value of grain micro-structure after final annealing no more than 100 micrometers.
EFFECT: prevention of cracking in zone of welded seam due to given content of silicon in alloy and desired value of grain micro-structure after final annealing of band.
3 tbl, 1 ex
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| 0 |
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