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Non-magnetic drill collar is made of alloy steel with very low permeability. Its chemical composition is strictly controlled and forged. The material is tested to ensure that its hardness, toughness, impact value, and corrosion resistance meet international standards. It features excellent low permeability and good machining properties. Non-magnetic drill collar fully implements AP17-1 standards.
| P530 Chemical Composition | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| C | Si | Mn | P | S | Cr | Ni | Mo | Cu | N |
| ≤0.08 | ≤1.00 | 16.00~19.00 | ≤0.030 | ≤0.020 | 15.00~17.00 | 0.80~1.50 | 0.40~0.60 | ≤0.30 | ≥0.30 |
| P550 Chemical Composition | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| C | Si | Mn | P | S | Cr | Ni | Mo | Cu | N |
| ≤0.06 | ≤0.60 | 18.00~22.00 | ≤0.030 | ≤0.020 | 16.00~19.00 | 1.20~2.00 | 0.50~0.80 | ≤0.30 | 0.5~0.80 |
We are a leading tools supplier with many years of experience, specializing in non-magnetic drill collars for the oil, gas, and coal mining industries. Our product range also includes various drill bits, saw blades, electric tools, and hand tools. We serve customers worldwide and can meet various specific requirements through custom product development and OEM services. "Quality is our life" - we are committed to growing together with our global partners.
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