上海无缝钢管|无缝管规格齐全|价格优惠供应热线：021-66867110 无缝钢管是一种具有中空截面、周边没有接缝的圆形管材，是用实心管坯经穿孔制成毛管，然后经热轧、冷轧或冷拨制成。常用规格如下： 规格 102*4.5/5/6/10/12/14 108*4/4.5/5/6/7/8/10/12/14 114*4/4.5/5/6/7/8/10/12/14 121*5/6/8/10/12/14/25 127*4.5/6/8/10/12/14 133*4.5/5/6/8/10/12/14 140*4.5/5/6/8/10/12/14/16/20 146*5/6/8/10/12/14 152*5/6/8/10/12/14 159*4.5/5/6/7/8/9/10/12/14/16/25 168*7/8/10/12/13/14/16/18/20 180*6/7/8/10/12/14 194*7/8/10/14/16/18 203*8/10/12/14/20 219*6/7/8/10/12/14/16/20/22/23 245*8/10/12/14/16/18/20/22/25/30/40 25*2.5 27*3 273*7/8/10/12/14/16/18/20/25 28*3 30*3 299*8/10/12/14/16/22/25/30/35/40 310*20 32*3/3.5/4 325*8/10/14/25/28/30 34*3/3.5/4 351*8/9/10/14/18/20 356*9/10/12/14/16/20 377*9/10/12/14/16/18/20 38*3/3.5/4/5 40*3/4 402*10/12/14 406*10/11/12/14 42*3/3.5/4/5 426*10/11/12/14 45*3/3.5/4 48*3/3.5/4/5 480*10 50*3/3.5/4/4.5/5 51*3/3.5/4/4.5 530*9 57*3/3.5/4/5/6 60*3/3.5/4/5/6 63.5*3.5/4/5 630*12 68*4/5 70*4/4.5/5/6 73*4.5 76*4/4.5/5/6/8/10 83*4.5 89*10/11/12 89*4/4.5/5/6/7/8 95*5/6/8/10/12/14/15/20 上海鹏鼎实业有限公司 电话：021-66867110 联系人：李经理15000387583 QQ：942185950 网址： http://www.sh-gg.com