一般(ban)的無(wu)(wu)(wu)縫(feng)鋼(gang)(gang)管(guan)(guan)(guan)的生產工藝可以分為冷(leng)拔與熱(re)(re)軋兩種,冷(leng)拔無(wu)(wu)(wu)縫(feng)鋼(gang)(gang)管(guan)(guan)(guan)的生產流程一般(ban)要(yao)比(bi)(bi)熱(re)(re)軋要(yao)復雜,外觀上冷(leng)拔無(wu)(wu)(wu)縫(feng)鋼(gang)(gang)管(guan)(guan)(guan)要(yao)短(duan)于熱(re)(re)軋無(wu)(wu)(wu)縫(feng)鋼(gang)(gang)管(guan)(guan)(guan),冷(leng)拔無(wu)(wu)(wu)縫(feng)鋼(gang)(gang)管(guan)(guan)(guan)的壁厚一般(ban)比(bi)(bi)熱(re)(re)軋無(wu)(wu)(wu)縫(feng)鋼(gang)(gang)管(guan)(guan)(guan)要(yao)小,但是表面看起來(lai)比(bi)(bi)厚壁無(wu)(wu)(wu)縫(feng)鋼(gang)(gang)管(guan)(guan)(guan)更(geng)加…