Oil Drilling Pipe

ASTM A519 Grade 4130 seamless alloy drill pipe. Cold drawn for superior strength & fatigue resistance. Certified to ASTM/ASME/API standards. Ideal for demanding oil drilling & geothermal applications.

Quenched seamless drill pipe (30-139.7mm OD) with 2-10mm wall thickness. High tensile strength (≥850 MPa), ASTM/DIN/EN certified, palletized for easy transport. Ideal for oil/gas, mining, and deep-hole drilling.

XJY850 cold drawn precision steel tube for geological drilling. High tensile strength (≥850 MPa), wear resistance, and tight tolerances. ASTM/DIN/EN certified with anti-corrosion coating. Ideal for deep-hole exploration up to 2000m.

4130 SR seamless drill tubes for NQ/HQ wireline coring. High tensile strength (≥810 MPa), precision tolerances, and optional nitriding for corrosion resistance. ASTM/DIN/EN certified, ideal for deep-hole mineral exploration.

SAE4130 steel drill rod for geological exploration. High-strength alloy (≥800 MPa tensile) with precision machining for minimal friction. Robust API thread connections & optional corrosion coatings. ASTM/DIN/EN certified.

XJY850 WireLine Diamond Drill Tube Mother Pipes are high-strength alloy steel pipes engineered for wireline diamond core drilling, featuring precision machining, superior wear resistance, and adaptability to complex geological conditions, ensuring reliable performance in deep drilling operations. Chemical Composition Steel Grade C Si Mn P S Cr Mo B 4130 0.28-0.33 0.15-0.35 0.40-0.60 ≤0.040 ≤0.040 0.80-1.10 0.15-0.25 4140 0.38-0.43 0.15-0.35 0.75-1.00 ≤0.040 ≤0.040 0.80-1.10 0

Forged one-piece 4140 HDD drill pipe (73mm/89mm) for trenchless drilling. Seamless cold-drawn construction ensures high strength (≥950MPa yield), precise tolerances, and superior fatigue resistance. ASTM/DIN certified.

45MnMoB core tubes for geological drilling rods. High-strength alloy steel with superior tensile & yield strength. ASTM/DIN/EN certified. OD 30-139.7mm, WT 3-19mm. Enhanced corrosion resistance & precision machining for reliable sample integrity.

Gr 4130 OD 114mm chromoly steel oil drilling pipe. Seamless construction, superior strength (550-950 MPa yield), excellent fatigue & collapse resistance. ASTM/API certified for reliable casing & tubing in demanding drilling environments.

45MnMoB seamless drill pipe for ultra-deep wells (>3000m) & HPHT conditions. Offers extreme strength (≥790 MPa), superior wear resistance (28-32 HRC), and impact absorption. ASTM A519 certified with custom OD/WT options.

DIN2391 seamless drilling rod in 45MnMoB grade. Extreme strength (≥790 MPa tensile), superior wear resistance, and balanced toughness for ultra-deep, high-pressure wells. Custom sizes 30-139.7mm OD, certified to ASTM/DIN/EN standards.

Premium chromoly steel tubing (4130/4140/4145) for oil drilling casing pipes. Features superior strength, collapse resistance & fatigue performance. Seamless construction, multiple standards (ASTM/DIN/EN), OD 4-219mm. Ideal for demanding downhole applications.

GB/T 9808 seamless oil drilling pipe in 1541 steel grade offers cost-effective performance for wells up to 3,000m. With tensile strength 800-950 MPa, excellent weldability, and simplified processing, it's ideal for standard drilling conditions.

ASTM A519 4130 alloy steel drilling pipe. Heavy-wall seamless construction for superior collapse resistance & mechanical strength in geothermal & oil well casing. Enhanced durability for extreme downhole conditions.

Grade 4130 chromoly drilling pipe offers superior strength (100,000 psi yield), enhanced collapse & fatigue resistance. Seamless construction for oil drilling & nonferrous mining. ASTM/ASME/API certified, sizes 4-219mm OD.

AISI 4340 chromoly alloy seamless pipe for demanding oil drilling & nonferrous mining. Ultra-high tensile strength, superior toughness, and exceptional fatigue resistance. ASTM/ASME/API certified with custom sizes 4-219mm OD.

ASTM/API 4130 Chromoly oil well drilling pipe. Seamless construction for superior strength & wear resistance in high-pressure downhole conditions. Direct manufacturer supply for casing & drill rod tubing.

ASTM A519 cold drawn seamless drill rod tubes in 30CrMo steel. High strength (≥813 MPa tensile), superior weldability, and proven reliability for oil well drilling up to 3,000m. Cost-effective alternative to 4140 with excellent toughness.

30CrMo seamless drill pipe offers superior mechanical strength (860 MPa tensile) for demanding oil & gas drilling. Cold-drawn for precision, with excellent durability, corrosion resistance, and thermal stability. Direct factory sale ensures competitive pricing.

ASTM A519 4130 oil well drilling pipe offers superior mechanical strength (813 MPa tensile, 690 MPa yield) for heavy-duty applications. Ideal for demanding drilling in harsh environments, it provides exceptional toughness and fatigue resistance.