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AISI 4145H Alloy Steel
Material Name
Material Name: AISI 4145H
Characteristics and scope of application
In directional wells, can be in the low torque high-speed drilling, reduces the wear and damage of the drill string, due to the steel ratio of drill collar small, small contact area with wall of a well, is also not easy to form differential pressure sticking.
Chemical Composition
| C | Si |
Mn |
Mo | S | P | Cr |
| 0.43-0.48 | 0.15-0.35 | 0.75-1.00 | 0.15-0.25 | Max 0.040 |
Max 0.035 |
0.80-1.10 |
Delivery State
In the heat treatment (quenching, annealing or tempering) or heat treatment delivery, delivery status should be indicated in the contract.
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