Six-party Drill Pipe
- Estimate pricingPrice on request
- MaterialAISI 4145H MOD alloy steel
- StandardAPI Spec 7-1
- Manufacturing processHot forged, fully heat-treated (intermediate frequency induction or 20 m horizontal optical resistance furnace)
- Thread treatmentPhosphated, copperized, or cold worked
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Products Description
The six-party drill pipe is made from AISI4145HMOD alloy steel According to API Spec.7 -1. IT is formed by hot forged and fully heat-treated by intermediate frequency induction heat treatment or 20m horizontal optical resistance furnace to threads are phosphated, copperrized or cold worked. Â Standard size of hexagonal kelly;Each can reach a total length of 27 meters. Kelly size Length drive section Length overall Length drive section LD Standard LD Optional L standard L optional DFL Across flate DC Across cornere DCC Across cornere Rc Radlue Rcc Radlue Wall thickness eccentric bore 76.2 3 11280 12190 76.2 85.7 85.73 6.4 42.9 12.1 88.9 3 1/2 11280 Â 12190 88.9 100.8 100.0 6.4 50.0 13.3 108.0 4 1/4 11280 15540 12190 16460 108.0 122.2 121.4 9.9 60.7 15.9 Â 133.4 5 1/4 11280 15540 12190 16460 133.4 151.6 149.86 9.9 75.0 15.9 Â 133.4 5 1/4 11280 15540 12190 16460 133.4 175.4 171.45 15.9 85.7 15.88 152.4 6 11280 15540 12190 16460 152.4 173.0 173.02 9.5 86.5 15.9 Â 152.4 6 11280 15540 12190 16460 152.4 173.0 173.02 9.5 86.5 15.9 Â Upper box connection Thread size and style LF O.D. Bevel diameter Standard optional DU standard DU optional LU DF Standard DF optional 6 5/8 REG 4 1/2 REG 196.9 146.1 406.4 186.1 134.5 6 5/8 REG 4 1/2 REG 196.9 146.1 406.4 186.1 134.5 6 5/8 REG 4 1/2 REG 196.9 146.1 406.4 186.1 134.5 6 5/8 REG 196.9 Â 406.4 186.1 Â Lower pin connection I.D. Label O.D. LL DF Bevel diameter NC26 85.7 508 82.9 31.8 Â NC31 104.8 508 100.4 44.5 NC38 120.7 508 116.3 57.2 NC46 158.8 508 145.3 71.4 NC50 161.9 508 154.0 71.4 5 1/2 FH 177.8 508 170.7 82.6 NC56 177.8 508 171.7 82.6
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Products Specification
- MaterialAISI 4145H MOD alloy steel
- StandardAPI Spec 7-1
- Manufacturing processHot forged, fully heat-treated (intermediate frequency induction or 20 m horizontal optical resistance furnace)
- Thread treatmentPhosphated, copperized, or cold worked
- Maximum total length27 m
- TypeSix-party (hexagonal) drill pipe / kelly
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The Six-party Drill Pipe is made from AISI 4145H MOD alloy steel according to API Spec 7-1. It is formed by hot forging and fully heat-treated by intermediate frequency induction heat treatment or a 20 m horizontal optical resistance furnace. Threads are phosphated, copperized, or cold worked. Each pipe can reach a total length of 27 meters. Standard sizes and connection details for hexagonal kelly are listed in the product data.
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About Supplier
Metalwork Petroleum Technology Co, Ltd. is a B2B supplier based in China, listed on Global Trade Plaza since October 2026. Use Inquire now or Chat with supplier to ask Metalwork Petroleum Technology Co, Ltd. for prices, specifications and documents for Six-party Drill Pipe.
Supplier Details for Six-party Drill Pipe
- Member since - Oct 2026
- Business Type - Contact Seller
- Deals in Product Type - Drilling Machines & Tools
- Country - China
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Metalwork Petroleum Technology Co, Ltd., a B2B supplier from China, dispatches Six-party Drill Pipe primarily through the port at China. Packaging types (e.g., bulk, custom, eco-friendly) and estimated pricing may vary based on order volume and destination. To get detailed logistics and pricing information, use Get a quote or Chat with supplier, or Sign Up for direct supplier interaction.
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