gb8162无缝钢管尺寸规格表苏州35crmo合金管厂家

42×3.5-4-5-6-7-8-9-10	35	152×4.5-6-8-12-14-16-18-20-25-30	60	402×10/15-20-25-30-35	70
45×3.5-4-5-6-7-8-9	40	159×4.5-6-10-12-14	80	406×10/20-25-28-35-40	110
48×3.5-4-5-6-7-8-9-10	24	159×16-18-20-22-25-30	30	426×10/12-14-16-20-25-30-35-40