结构无缝管材质、现货规格为：10#,20#,35#,45# 
14,16,18,20,22,25x0.5-6 
28,30,32,38,40,42x1-12 
45,48,50,51,54,57x2.5-4 
60,63,68,70,73,76x3-20 
80,83,89,95,102,108x3.5-30 
114,121,127,133,140,146x4-35 
152,159,168,180,194,203x4-50 
219,245,273,299,325,351x6-55 
377,402,406,426,450,480x7-75 
500,510,530,545,560,600x8-95 
610,620,630,660,680,700x10-110  .。