Model:API Polished Rod
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API Polished Rod
1.Three types: Polished rod-upset on one end, polished rod-normal type, polished rod-metal spray type.
2. Designed in accordance with API Spec 11B,
3. Manufactured through cold-drawing, rolled threading and surface grinding etc.
4. High strength, good toughness, smooth surface and long lifetime etc.
Parameters:
Name | Size | Grade | Mechanical properties | Length (m)
| |||
Rel (MPa) | Rm (MPa) | A (%) | Z (%) | ||||
Polished rod-upset on one end | φ25 φ29 φ32 φ38 | H | ≥795 | 965~1195 | ≥ 10 | ≥ 45 | 6.00 8.00 9.50 10.00 |
D | ≥ 590 | 795~965 | ≥ 10 | ≥ 50 | |||
Polished rod-normal type | φ25 φ29 φ32 φ38 | H | ≥795 | 965~1195 | ≥ 10 | ≥ 45 | |
D | ≥ 590 | 795~965 | ≥ 10 | ≥ 50 | |||
Polished rod-metal spray | φ32 φ38 | H | ≥795 | 965~1195 | ≥ 10 | ≥ 45 | 6.00 8.00 9.14 |
