Ọkpọkpọ LSAW (Ọdụdọ Arc- Welding Pipe), nke a na-akpọkwa SAWL ọkpọkọ. Ọ na-ewere efere ígwè ahụ ka ọ bụrụ akụrụngwa, jiri igwe na-akpụzi ya na-akpụzi ya, wee mee ịgbado ọkụ n'okpuru mmiri nwere akụkụ abụọ. Site na usoro a LSAW ígwè ọkpọkọ ga-enweta ọmarịcha ductility, weld toughness, uniformity, ...
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