threaded metal rod
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4130 SR สายไฟฟ้า ท่อเจาะไร้สาย NQ HQ เจาะท่อภายใน
4130+SR Wire-Line Diamond Core Drill rods,Drill inner pipes,drill outer pipes Pipeway Specially in manufacturing cold drawn precision Seamless wire line Drill Pipes for Geological Exploration Seamless Drill Pipes BQ/NQ/HQ/PQ,and the inner pipes and outer casing tubes.We have the steel grade level XJY600,XJY750,XJY850,XJY950,BL850,BL950. The detail seamless steel pipes of materials:SAE4130,45MnMoB,30CrMnSiA,SAE4140 SPECIFICATIONS: A519 Seamless mechanical tubing for drill rods
สายสำรวจทางธรณีวิทยา SAE4130 ท่อเหล็ก
Seamless Drill Pipes SAE4130 Geological Exploration Seamless Drill Pipes BQ/NQ/HQ THE DRILL PIPES PRODUCED BY COLD DRAWN SEAMLESS ALLOY STEEL TUBES FOR WIRE-LINE DRILL RODS,CORE BARREL,CASING PIPES. THE STEEL NORM:ISO10097-1 WIRELINE DIAMOND CORE DRILLING PIPES , DCDMA DRILL STEEL PIPES,BS4019 ROCK DRILLING PIPES,METRIC DRILLING RODS,ASTM A519 SEAMLESS ALLOY STEEL TUBING FOR ROCK DRILLING RODS. STEEL GRADE: SAE/AISI4130,SAE4140,SAE1541,1045,St52.3 SPECIFICATIONS: ASTM A519
