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Product Description: Seamless Drill Pipe is a special type of drilling pipeline, which is mainly made of an outer tube, an inner tube and a number of outer tube surface treatments. The outer tube is made of 4130 1541 4140 30CrMnSiA grade steel, and the inner tube is made of alloy steel or high strength steel. The size of the outer tube ranges from 1/2” to 24”, with a length of 3m to 12m. The surface of the outer tube can be treated with black painting, anti-rust paint or

Product Description: Seamless Drill Pipe is a wire line drill tube used for drilling, which is made of 4130, 1541, 4140 and 30CrMnSiA grade materials. The surface of the pipe is treated with black painting, anti-rust paint and varnish coating for corrosion protection. This product has been heat treated with normalizing, quenching and tempering processes to ensure its quality and durability. The product is packaged in bundles, pallets and wooden boxes for safe delivery.

Product Description: Seamless Drill Pipe is a kind of steel pipe with special length, material, surface treatment, inspection, wall thickness and other characteristics. It is made of 30CrMnSiA drill tubes, wire line, outer tube and other components, mainly used for the drilling of deep wells and oil and gas pipelines. The length of Seamless Drill Pipe can be 3m to 12m. It can be made of carbon steel, alloy steel and stainless steel. The surface treatment includes black

Product Description: Seamless Drill Pipe is a kind of 1541 drill tubes that are made of carbon steel, alloy steel and stainless steel. It features an outer tube and an inner tube, which are both essential components of wire line drill pipes. It is available in a wide range of sizes from 1/2” to 24” and lengths from 3m to 12m. It also offers various thread types including BQ NQ HQ PQ. We accept various payment terms such as T/T, L/C, D/A and D/P. Applications: Seamless Drill

Wire-Line Diamond Core Drill rods of BQ,NQ,HQ,PQ drill pipes BL850,BL950 New-Era Steel Tube 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

Ming Drill Rods SAE4130 Steel Drill Pipes New-Era Steel Tube Specially in manufacturing cold drawn precision Seamless wire line Drill Pipes for Geological Exploration Seamless Drill Pipes BQ/NQ/HQ/PQ,and the inner tubes and outer casing tubes.We have the steel grade level XJY600,XJY750,XJY850,XJY950,BL850,BL950. The detail steel pipes of materials:SAE4130,45MnMoB,30CrMnSiA,SAE4140 SPECIFICATIONS: ASTM A519 WITH FOLLOWING REQUIREMENTS. 1). BQ,NQ,HQ DRILL PIPES DIMENSION AND

SAE1541/AISI1541 40Mn2 Seamless Drill Pipe ASTM A519 Stress Relief Seamless Drill Tubes for Wire-line Drill Rods​ COLD DRAWN SEAMLESS CARBON STEEL TUBES STEEL GRADE: SAE/AISI 1541 SPECIFICATIONS: ASTM A519 WITH FOLLOWING REQUIREMENTS. MECHANICAL PROPERTIES Tensile Min 820MPa Yield Min 730 MPa Elongation (50.8mmG.L) Min 15% Hardness 230-280 HB Condition Stress relieved. Straightness better than: 1 in 2000 MAX (1MM DEVIATION IN 2000MM) Eccentricity (Max) 5% Grain size ≥ 9

XJY750 XJY850 wire-line drill pipes , Seamless cold drawing pipes for drill rod 1. Product Name: XJY850 Seamless Steel Tubing wire-line drill rods 2. Size Range: OD: 45-114.3m, WT: 2-15mm, Length:3m,3.06m 5.8m/6m, maximal 11.8m 3. Stable Quality with Comeptitive Price 4. Protective Atmosphere Heat Treatment, Surface is clean and smooth, without oxide scale 5. Good Extending and Bending Ability, Longer Work Life Product Name Seamless Steel Tubing wire-line drill rods Material

30CrMnSiA Yield Strength 800MPA Cold Drawn Seamless Pipe 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 Product Name 30CrMnSiA Cold Drawn Steel Pipe Material