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無錫優(yōu)質(zhì)大口徑鋼管30CROM，45#，16MN，20#無縫鋼管

14×1.5-2.5-3	70×4-4.5-5-6-7-8-9-10-12-15-16	203×6-7-10-15-20-25-30
16×1.5-2.5-4	73×4-4.5-5-6-7-8-9-10-12-15	203×32-36-40-45-50
18×2.3-4-5	76×4-4.5-5-6-7-8-9-10-12-14	219×6-8-12-16-18-20-25
20×2.5-3-5	83×4.5-5-10-12-14-16-18-20	219×30-40-45-50-55
24×2.5-3-4-5-6	89×4.5-8-10-12-14-16-18-20	219×55-58-60-65-70
25×2.5-3-4-5-6	95×4.5-6-8-10-12-14-16-20	245×8-10-14-17-20-22
28×3-3.5-4-5-6	102×4.5-5-6-7-8-10-12-14-16-20	245×25-28-30-34-40
32×3.5-4-5-6-8	108×4.5-5-6-7-8-10-12-14-18-20-22	273×7-9-12-15-18-20-25
34×4-5-6-8	114×4.5-5-6-7-8-10-12-14-18-20	273×30-35-38-40-45-50
36×3.5-5-6-8	121×4.5-5-6-7-8-10-12-14-16-20	299×8-12-16-20-24-28
38×4-5-6-7-8-9-10	127×4.5-5-6-7-8-10-12-14-16-20	299×30-32-36-38-40-45
39×3.5-5-8-10	133×4.5-6-8-12-14-16-18-20-25-30	325×8-12-14-18-38-42
42×3.5-4-5-6-7-8-9-10	140×5-6-7-8-9-10-12-14-16-20-22	325×28-32-34-38-42
45×3.5-4-5-6-7-8-9	146×4.5-6-8-12-14-16-18-20-25-30	351×10-16-20-25-40
48×3.5-4-5-6-7-8-9-10	152×4.5-6-8-12-14-16-18-20-25-30	355×6-18-20-25-30-40/52
51×3.5-4-5-6-7-8-9-10	159×4.5-6-10-12-14	377×8-12-15-20-24-28
56×3.5-4-5-6-7-8-9-10	159×16-18-20-22-25-30	377×30-37-40-45-50
57×3.5-5-6-7-8-9-10-12	168×8-10-12-14-20-25-30-35	402×10-15-20-25-30-35
60×3.5-4.5-5-6-7-8-9-12-14	180×8-12-16-25-30	406×10-20-25-28-35-40
63×3.5-4.5-5-6-7-8-9-10-12-14	180×32-34-38-40-45-50	426×10-12-14-16-20-25-30-35-40
68×4-4.5-5-6-7-8-9-10-12-14-16	194×6-8-12-16-20-25-30-40-45-50