| Type: | Petroleum Drilling Tool & Accessory |
|---|---|
| Technique: | Friction Welding |
| Material: | Alloy Steel |
| Surface Treatment: | Galvanized |
| Usage: | Pipeline Transport, Oil/Gas Drilling, Chemical Industry, Mining |
| Section Shape: | Round |
| Samples: |
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Suppliers with verified business licenses
Audited Supplier API Grades |
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| Grade D | ||||
| D Carbon | D Alloy | KD | D Special | |
| Steel | 4130 | 4142 | 4720 | 4330 |
| C | 0.26-0.33 | 0.38-0.45 | 0.19-0.23 | 0.29-0.37 |
| Mn | 0.40-0.70 | 0.80-1.00 | 0.80-1.05 | 0.70-0.95 |
| Si | 0.17-0.37 | 0.15-0.35 | 0.15-0.35 | 0.15-0.35 |
| Ni | 0.30Max | 0.45Max | 0.90-1.20 | 1.65-2.00 |
| Cr | 0.80-1.10 | 0.80-1.10 | 0.80-1.05 | 0.80-1.10 |
| Mo | 0.15-0.25 | 0.15-0.25 | 0.24-0.30 | 0.20-0.30 |
| MECHANICAL PROPERTIES | ||||
| YS(Ksi) | 85Min | 85Min | 85Min | 85Min |
| UTS(Ksi) | 115-140 | 115-140 | 115-140 | 115-140 |
| HEAT TREATMENT | ||||
| Quenched | Normalized | Normalized | Normalized | |
| Tempered | Tempered | Tempered | Tempered | |
| Rod OD | 5/8″, 3/4″, 7/8″, 1″,11/8″ | |||
| (mm) | (15.88), (19.05), (22.23), (25.40) , (28.58) | |||
| Rod Length | 25', 30' (+/- 2.0″per API requirement) | |||
| (m) | (7.62), (9.14) (+/- 50.80mm per API requirement) | |||
Suppliers with verified business licenses
Audited Supplier 
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