Oil Well Pipe

90mm OD Gr 4130 seamless steel pipe for oil well drill strings, casing & tubing. ASTM/API certified with superior tensile strength, fatigue resistance & dimensional accuracy for demanding downhole conditions.

30CrMnSiA seamless oil well pipe offers high strength (≥850 MPa), corrosion resistance, and excellent weldability for demanding wells. Meets GB/T 9808, ASTM A519 standards. Ideal for medium-high pressure, weakly corrosive environments with dynamic loads.

GB/T 9808 standard 1541 steel drill pipe. High straightness, 800-950 MPa tensile strength, handles wells up to 3,000m. Cost-effective for shallow/mid-depth drilling, water wells, mining. ASTM, DIN, EN certified.

EN10305-1 seamless steel casing tubes in 30CrMnSiA grade. High strength (850+ MPa tensile), built-in corrosion resistance, and excellent weldability. Ideal for water injection wells, coastal platforms, and applications requiring field adaptability.

DIN2391 drill rod tubes in 42CrMo steel. High strength (≥950 MPa tensile), superior wear resistance (28-33 HRC), and certified to ASTM/DIN/EN/GB standards. Ideal for demanding oil drilling applications in extreme conditions.

AISI 4130 chromoly alloy heavy-wall drilling pipe for geothermal wells. Superior tensile strength, corrosion resistance, and fatigue durability. ASTM/ASME/API certified, seamless construction for extreme pressure and temperature environments.

ASTM/API certified 4130 Chromoly seamless pipe for oil drilling. High-tensile strength (81200 psi), superior fatigue resistance, and seamless construction ensure reliability in demanding downhole applications. Available 4-219mm OD with custom options.

ASTM A513/A519 42CrMo4 drill rod for oil drilling. High-strength (≥950 MPa), wear-resistant (28-33 HRC), quenched & tempered for extreme HPHT wells. Cr-Mo alloy ensures superior fatigue resistance vs standard grades.

GB/T 9808 seamless steel oil drilling pipe in 34CrMo4 grade. Features high tensile strength (≥813 MPa), excellent weldability, and durability for wells up to 3,000m. Available in multiple steel grades and OD 30-139.7mm.

ASTM A519 seamless alloy steel drill pipe for oil & mining. Chromoly grades 4130/4140 offer high strength, SSC resistance, and superior durability. Certified to API/ASME standards with full traceability.

ASTM/API 4130 thick-wall drill pipe for geothermal drilling. Superior collapse resistance & high-temp stability (400°C). Chromium-molybdenum alloy for corrosion resistance in harsh environments.

AISI 4130 seamless casing pipe for demanding nonferrous mining. ASTM A519 certified with superior strength, corrosion & abrasion resistance. Available 30-140mm OD, 3-20mm WT in SR/N/QT conditions.

EN10305-1 certified 30CrMnSiA seamless drilling pipe with ≥850 MPa strength, superior corrosion resistance, and excellent weldability. Ideal for demanding oilfield applications with low eccentricity and dynamic load performance.

30CrMnSiA seamless steel oil well pipes offer high strength (850+ MPa), superior corrosion resistance, and excellent weldability. Compliant with DIN2391 & ASTM A519 standards, ideal for high-pressure drilling in demanding environments.

AISI 4130 Alloy Steel Seamless Oil Well Pipe, Steel Pipe for Casing Tube Description Engineered for exceptional performance in critical oil and gas operations, our AISI 4130 Alloy Steel Seamless Pipe is the optimal solution for casing tubes and downhole components. This chromium-molybdenum (chromoly) alloy delivers a superior balance of strength, toughness, and environmental resistance essential for harsh well environments. Unmatched Strength & Durability: The inherent

4140 vs 4130 Oilfield Drilling Pipe Performance Comparison – Core Advantages of 4140 Grade​​ In the oilfield drilling sector, steel selection directly determines the ​​load-bearing capacity, wear resistance, and long-term reliability​​ of drill pipes and casings. Below is a comparison of ​​key parameters between 4140 and 4130 grades​​, highlighting the ​​core advantages of 4140-grade drilling pipes​​ to help you make an informed choice. ​​ Four Core Advantages of 4140-Grade

34CrMo4 4130 Oil Drilling Pipe for Critical Applications for Drill Rod Tubing Description This 34CrMo4/4130 chromoly alloy drilling pipe represents high-performance seamless tubing engineered for critical drilling applications where failure is not an option. Manufactured to exacting international standards, this pipe delivers exceptional mechanical properties including minimum 110,000 psi yield strength, superior impact toughness, and excellent fatigue resistance for the most

A519 4130 Oil Well Pipe , Seamless Alloy Steel Pipe for Demanding Downhole Environments Description We present A519 4130 Oil Well Pipe, a superior-grade seamless alloy steel pipe specifically engineered to excel in the most challenging downhole environments. Manufactured in strict compliance with ASTM A519 standard, this chromium-molybdenum alloy steel pipe delivers exceptional performance where conventional materials fall short. Our 4130 alloy pipes feature an optimal

AISI 4130/4140 seamless alloy steel drill pipes. ASTM A519/GB/T 9808 certified. Superior strength, toughness & corrosion resistance for oil, gas & mining. OD: 4-219mm, WT: 0.5-20mm.

30CrMo/4130 seamless alloy steel tubes for oil drilling. High tensile strength (≥800 MPa), certified to EN10305-1, ASTM A519. OD 30-139.7mm, WT 3-19mm. Durable, precise composition, stress-relieved for stability.