Usoro: ERW
Ngwọta dị n'elu: Galvanized a na-etinye tupu/ọkụ, Tee, Mmanụ
Ọkwa: Q235, Q345, Q195
Biko hapụ ozi ụlọ ọrụ gị, anyị ga-akpọtụrụ gị ngwa ngwa.