seamless precise cold drawn honed tube
precise cold drawn ; low temperature annealing; heat treatment inside surface roughness: <0.8um; quickly delivery time
material | hardness(HB) | thickness(mm) | internal diameter(mm) |
| 20#/16Mn | 200-220 | 2.5~5.5 | 38.1 (1") |
| 3~6.25 | 44.45 (1.75") | ||
| 4~6.5 | 50.8 (2") | ||
| 4.5~7 | 63.5 (2.5") | ||
| 4.5~7.5 | 76.2 (3") | ||
| 5~9.5 | 88.9 (3.5") | ||
| 5~10.5 | 101.6 (4") | ||
| 6~12 | 114.3 (4.5") | ||
| 6.5~13 | 127 (5") | ||
| 6.5~14.5 | 139.7 (5.5") | ||
| 6.5~17 | 152.4 (6") |
1.main diameter mentioned as above,
2.manufacture method:
precise cold drawn
↓
low temperature annealing
↓
honed inside
↓
anti rust handle
↓
packing
3.delivery condition: BKS
seamless precise cold drawn honed tube
