Ajuju kapịrị

Welded ígwè, marakwa dị ka ọkpọkọ mmiri, ọkpọkọ elded bụ ígwè ígwè ọkpọkọ na seams na-agbaze ma na-arịa ya na usoro ndị ọzọIgwe nchara or efere eferewee banye n'ime udi. Ogo zuru ezu bụ mita isii.

Erw lewded pipeGrade: Q235a, Q235c, Q235b, 16mn, 20 #, Q345.

Ihe ndị a na-ekwukarị: Q195-215; Q215-235

Usoro mmejuputa: GB / T3091-2015,GB / T142916,GB / T12770-2012,GB / T12771-2019,Gb-t21835-2008

Ngwa ngwa: wardrụ ọrụ nchekwa, ụlọ ọrụ kemịkalụ, ụlọ ọrụ ọkụ eletrik, owuwu ugbo, owuwu ugbo ala, owuwu. Ọrụ nkewa: mmiri mmiri mmiri (mmiri mmiri), na-adọba mmiri (gas, uzuoku, maka àkwà mmiri;