張家口A335P91合金管,張家口A335P11合金管
63×3.5-4.5-5-6-7-8-9-10-12-14 | 40 | 219×55-58-60-65-70 | 80 | 640×12-25-32-40-50-65-75-80 | 90 |
68×4-4.5-5-6-7-8-9-10-12-14-16 | 35 | 245×8-10-14-17-20-22 | 105 | 650×15-20-30-40-50-60-70-85 | 85 |
70×4-4.5-5-6-7-8-9-10-12-15-16 | 40 | 245×25-28-30-34-40 | 84 | 680×20-25-35-45-65-75-80 |