20#无缝钢管/45号无缝管

12×1	89×4.5-8-10-12-14-16-18-20
14×1.5-2.5-3	95×4.5-6-8-10-12-14-16-20
16×1.5-2.5-4	102×4.5-5-6-7-8-10-12-14-16-20
18×2.3-4-5	108×4.5-5-6-7-8-10-12-14-18-20-22
20×2.5-3-5	114×4.5-5-6-7-8-10-12-14-18-20
24×2.5-3-4-5-6	121×4.5-5-6-7-8-10-12-14-16-20
25×2.5-3-4-5-6	127×4.5-5-6-7-8-10-12-14-16-20
28×3-3.5-4-5-6	133×4.5-6-8-12-14-16-18-20-25-30
32×3.5-4-5-6-8	140×5-6-7-8-9-10-12-14-16-20-22
34×4-5-6-8	146×4.5-6-8-12-14-16-18-20-25-30
36×3.5-5-6-8	152×4.5-6-8-12-14-16-18-20-25-30
38×4-5-6-7-8-9-10	159×4.5-6-10-12-14
39×3.5-5-8-10	159×16-18-20-22-25-30
42×3.5-4-5-6-7-8-9-10	168×8-10-12-14-20-25-30-35
45×3.5-4-5-6-7-8-9	180×8-12-16-25-30
48×3.5-4-5-6-7-8-9-10	180×32-34-38-40-45-50
51×3.5-4-5-6-7-8-9-10	194×6-8-12-16-20-25-30-40-45-50
56×3.5-4-5-6-7-8-9-10	203×6-7-10-15-20-25-30
57×3.5-5-6-7-8-9-10-12	203×32-36-40-45-50
60×3.5-4.5-5-6-7-8-9-12-14	219×6-8-12-16-18-20-25
63×3.5-4.5-5-6-7-8-9-10-12-14	219×30-40-45-50-55
68×4-4.5-5-6-7-8-9-10-12-14-16	219×55-58-60-65-70
70×4-4.5-5-6-7-8-9-10-12-15-16	245×8-10-14-17-20-22
73×4-4.5-5-6-7-8-9-10-12-15	245×25-28-30-34-40
76×4-4.5-5-6-7-8-9-10-12-14	273×7-9-12-15-18-20-25
83×4.5-5-10-12-14-16-18-20