API square kelly pipe/oil drilling Kelly pipe

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API square kelly pipe/oil drilling Kelly pipe
Posting date : May 23, 2014
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84-
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FOB Price: US $1,800 - 3,500 / Piece Min.Order Quantity: 1 Piece/Pieces Supply Ability: 45 Piece/Pieces per Month Port: Tianjin/Qingdao/Shanghai Payment Terms: L/C,T/T Quick Details Place of Origin: Shandong China (Mainland) Brand Name: AUSCHIN Type: api kelly Machine Type: Drilling Tool Certification: API Material: carbon steel, AISI 4145H Processing Type: Forging Use: Well Drilling Product name: oil drilling kelly Condition: New Size: 2-1/2" 2-7/8" 3" 3-1/2" 4-1/4" 5-1/4" Standard: API Spec7-1 Packaging & Delivery Packaging Detail: Standard export packing or according to customers' requirments Delivery Detail: 15-30 days after receiving the copy of L/C or prepayment Specifications API 7-1 Standard Kelly is made from AISI 4145H alloy steel according to API Spec7-1. We can offer Square Kelly and Hexagonal Kelly. Kelly's ends drive cross-section and joint are all processed and tested in terms of API Spec7-1. It is formed through hot forging and fully heat-treated by intermediate frequency induction heat treatment or 20m horizontal optical resistance furnace. Threads can be phosphated, copperized or cold worked. Nom Size (in) Top Connection(LH) Bottom Connection I.D.(in) Drive Section(in) Standard O.D.(in) Optional O.D.(in) Square O.D.(in) Hex. O.D.(in) Square Hex. A B 2 1/2 6 5/8REG 7 3/4 4 1/2REG 5 3/4 NC26 85.7 1 1/4 3 2/7 3 6 5/8REG 7 3/4 4 1/2REG 5 3/4 NC31 4 1/8 NC26 3 3/8 1 3/4 1 1/4 4 3 3/8 3 1/2 6 5/8REG 7 3/4 4 1/2REG 5 3/4 NC38 4 3/4 NC31 4 1/8 2 1/4 1 3/4 4 1/2 4 4 1/4 6 5/8REG 7 3/4 4 1/2REG 5 3/4 NC46 6 1/4 NC38 4 3/4 2 4/5 2 1/4 5 4/7 4 4/5 6 5/8REG 7 3/4 4 1/2REG 5 3/4 NC50 6 3/8 NC38 4 3/4 2 4/5 2 1/4 5 4/7 4 4/5 5 1/4 6 5/8REG 7 3/4 5 1/2FH 7 NC46 6 1/4 3 1/4 3 7 6 6 5/8REG 7 3/4 NC56 7 NC50 6 3/8 3 1/4 3 1/4 7 6 6 6 5/8REG 7 3/4 5 1/2FH 7 3 1/2 6 4/5 6 5/8REG 7 3/4 NC56 7 3 1/2 6 4/5

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