Ọkpụkpụ nchara kwụ ọtọ bụ ọkpọkọ nchara nke eriri weld ya na ogologo ntụzịaka nke ọkpọkọ ígwè. Usoro mmepụta nke ọkpọkọ nchara kwụ ọtọ dị mfe, na-arụ ọrụ dị elu, ọnụ ala na mmepe ngwa ngwa. Ike nke spiral welded ọkpọkọ na-adịkarị elu karịa nke ọkpọkọ ogologo welded ọkpọkọ.
Enwere ike kewaa ọkpọkọ nchara kwụ ọtọ n'imeERW ígwè ọkpọkọna submerged arc welded ogologo onuete ígwè ọkpọkọ (Ọkụ LSAW) dị ka usoro mmepụta si dị.
Ogologo ogologo nke eriri igwe kwụ ọtọ na-abụkarị 6000 mm-1200 mm.
Ọkụ okirikiri ERW: 21.3mm ruo 508mm; Ọkụ okirikiri LSAW: 406mm ruo 2020mm
Oge nzipu: Jan-21-2022