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Songzhuang,Taiyuan,Shanxi,China China
联系人 Mr. Wayne Van
办公地址 Songzhuang, Taiyuan, Shanxi
Made from AISI 4145H alloy steel and fully heat treated, all its physical properties conform to the latest API
Each bar or tube used to manufacture HWDP tool joints or integral HWDP shall be examined for both surface and
WEIGAO offers a wide variety of drill collar sizes from 3 ?” - 9 ?”, spiraled or slick, and with A
API Non Magnetic Drill Collar 1.Material:AISI4145H 2.OD:79.4mm-279.4mm 3.API 7-1/ISO Certificate 4.Fac
(Group 1-Grade E75; Group 3-Grade X95, G105, S135). Model NO.: 2 3/8"---6 5/8" drill pipe Standa
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