open
| Material | Alloy Butted | Diamete | Φ31.8 | Width | 580 600 620 640 660 680 700…
| Material | Alloy Butted | Diamete | Φ31.8 | Width | 580 600 620 640 660 680 700…
| Material | Alloy Butted | Diamete | Φ31.8 | Width | 560 580 600 620 640 660 680…
| Material | Alloy Butted | Diamete | Φ31.8 | Width | 560 580 600 620 640 660 680…
| Material | Alloy Butted | Diamete | Φ31.8 | Width | 520 540 560 580 600 620 640…