material | hardness(HB) | thickness(mm) | internal /out diameter(mm) |
20#/16Mn | 200-220 | 10~25 | 267.2/253.5,172/152.40,164.13/147.32 |
| | 10~25 | 250/299,250/280, |
| | 10~25 | 220/273,220/255, |
| | 10~25 | 200/245,200/225,200/230,200/220 |
| | 10~25 | 180/219,180/216,180/210,180/203 |
| | 10~16 | 160/194,160/190,160/184,160/180 |
| | 5~15.5 | 150/180,150/175,150/170,150/168, |
| | 5~15 | 140/178,140/168,140/166,140/160 |
| | 6.5~13 | 135/159,130/159,130/156,130/152 |
| | 6.5~14.5 | 130/114.3,114.3/101.60,101.60/88.90 |
| | 6.5~17 | 88.90/76.2,76.2/63.50,63.5/50.8,50.8/38.1 |
More diameter can manufactured,pls contact with me.
1.main diameter mentioned as above,
2.manufacture method:
precise cold drawn
↓
low temperature annealing
↓
honed inside/rolling forming
↓
anti rust handle
↓
packing
3.delivery condition: BKS
4.can chrome plated according