20#冷(leng)(leng)拔(ba)管(guan) 冷(leng)(leng)拔(ba)無縫管(guan) 小口徑冷(leng)(leng)拔(ba)管(guan) 冷(leng)(leng)拉加芯高精(jing)度鋼管(guan)【優質銷(xiao)售】20#無縫鋼管(guan)價(jia)格(ge)
(專(zhuan)業(ye)(ye)生產(chan)(chan)穿孔毛坯管(guan)(guan)(guan)(guan)(guan)，熱軋鋼管(guan)(guan)(guan)(guan)(guan)，冷(leng)拔鋼管(guan)(guan)(guan)(guan)(guan)，加芯精密冷(leng)拔管(guan)(guan)(guan)(guan)(guan)，冷(leng)軋精密光(guang)亮管(guan)(guan)(guan)(guan)(guan)。規格10-159mm年生產(chan)(chan)能(neng)力80000噸）方矩管(guan)(guan)(guan)(guan)(guan)生產(chan)(chan)線2條(tiao)(tiao)（生產(chan)(chan)國標非標焊(han)接及無縫方矩管(guan)(guan)(guan)(guan)(guan)10*10-400*400壁厚(hou)1mm-30mm），異(yi)型鋼管(guan)(guan)(guan)(guan)(guan)設備2條(tiao)(tiao)（專(zhuan)業(ye)(ye)生產(chan)(chan)各(ge)(ge)種異(yi)型鋼管(guan)(guan)(guan)(guan)(guan)：扇形(xing)管(guan)(guan)(guan)(guan)(guan)，橢圓管(guan)(guan)(guan)(guan)(guan)，錐形(xing)管(guan)(guan)(guan)(guan)(guan)，元(yuan)寶管(guan)(guan)(guan)(guan)(guan)，面包(bao)管(guan)(guan)(guan)(guan)(guan)，馬蹄管(guan)(guan)(guan)(guan)(guan)，D形(xing)管(guan)(guan)(guan)(guan)(guan)，梯(ti)形(xing)管(guan)(guan)(guan)(guan)(guan)，三(san)角管(guan)(guan)(guan)(guan)(guan)，六(liu)角管(guan)(guan)(guan)(guan)(guan)，八角管(guan)(guan)(guan)(guan)(guan)，外圓內六(liu)角管(guan)(guan)(guan)(guan)(guan)，內圓外六(liu)角管(guan)(guan)(guan)(guan)(guan)，樓梯(ti)扶手管(guan)(guan)(guan)(guan)(guan)，交(jiao)通(tong)護(hu)欄管(guan)(guan)(guan)(guan)(guan)等各(ge)(ge)種特殊異(yi)型鋼管(guan)(guan)(guan)(guan)(guan)。）
常年庫存鋼坯材質：10＃ 20# 35# 45# 16mn(Q345B、C、D、E) 20Mn 20Cr 40Cr 20CrMo 35CrMo 42CrMo 40mn2 20CrMnTi 27SiMn等特殊合金管。
冷拔鋼管是用于機械結構、液壓設備的尺寸精度高和表面光潔度好的精密冷拔無縫管。選用精密無縫管制造機械結構或液壓設備等，可以大大節約機械加工工時，提高材料利用率，同時有利于提高產品質量。
優質碳素結構鋼20#冷撥無縫管，主要用10、20號鋼制造，除保證化學成分和機械性能外要做水壓試驗，卷邊、擴口、壓扁等試驗。
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