Products Description
We supply high-quality API 5CT seamless production tubing pipe, including J55, N80, L80, P110 grade oil tubing. All petroleum tubing pipes strictly follow API 5CT international standards, with complete specifications, stable mechanical performance, high pressure resistance and corrosion resistance. Our seamless oil well tubing is widely used in oilfield drilling, oil gas production, well completion and deep well engineering. Custom size and thread type API 5CT oil tubing are available, factory direct sale with competitive price, reliable quality and fast delivery.
Product Basic Information
| Item | Details |
| Product Full Name | API 5CT Seamless Production Tubing Pipe J55 N80 L80 P110 Oil Tubing |
| Standard | API 5CT (Latest 11th Edition), ISO 11960, SY/T6194 |
| Main Grades | J55, N80, N80Q, L80 Type 1, P110 |
| Product Type | Hot Rolled Seamless Steel Pipe, Petroleum Production Tubing |
| Application Industry | Oil & Gas Well Drilling, Petroleum Production, Well Completion, Deep Well Operation |
| Related name | API 5CT oil tubing, seamless oil tubing pipe, J55 oil tubing, N80 petroleum tubing, L80 seamless tubing, P110 oil well tubing, API 5CT production tubing |
Chemical Composition
| Element | Carbon (C) | Silicon (Si) | Manganese (Mn) | Phosphorus (P) | Sulfur (S) |
| Content Standard | ≤0.35% | 0.15%-0.35% | 0.60%-1.40% | ≤0.030% | ≤0.030% |
Mechanical Properties by Grade
| Grade | Yield Strength (MPa) | Tensile Strength (MPa) | Elongation (%) | Working Feature |
| J55 | 379–552 | ≥517 | ≥22 | Cost-effective, suitable for shallow oil & gas wells, low pressure working condition |
| N80/N80Q | 552–758 | ≥689 | ≥18 | High toughness and stability, ideal for medium-depth conventional oil and gas wells |
| L80 | 552–655 | ≥689 | ≥18 | Excellent anti-corrosion performance, perfect for sour oil and gas well service |
| P110 | 758–965 | ≥862 | ≥15 | Ultra-high strength, pressure resistance, applicable for deep well and high-temperature high-pressure (HTHP) working environment |
Dimensional Specifications
| Item | Specification Range |
| Outer Diameter (OD) | 48.26mm – 114.3mm (1.9'' – 4.5'') |
| Wall Thickness (WT) | 3.18mm – 16.0mm |
| Pipe Length | 5.5m – 22.23m (R1, R2, R3 standard length available) |
| Thread Type | NUE (Non-Upset Ends), EUE (External Upset Ends), STC, LTC, BTC |
| Tolerance | Strict API 5CT standard tolerance, 100% dimensional inspection |
Product Features & Advantages
| Advantage Dimension | Detailed Description |
| Premium Material | Made of high-quality carbon steel raw materials, uniform texture, no sand hole, no crack, high structural stability |
| Strict Standard Compliance | Fully compliant with API 5CT international petroleum industry standards, pass third-party testing, complete certification |
| Excellent Performance | High pressure resistance, high tensile strength, good wear resistance and low temperature toughness, long service life |
| Corrosion Resistance | L80 grade adapts to sour well conditions; J55/N80/P110 have stable oxidation resistance for long-term underground operation |
| Customization Support | Support custom diameter, wall thickness, length, thread type and surface treatment according to customer requirements |
| Seamless Integral Structure | Hot rolled seamless process, no welding seam, effectively avoid leakage and fracture under high pressure |
Wide Application Scope
| Application Scenarios | Applicable Grade |
| Shallow oil & gas well production, conventional well completion | J55 |
| Medium-depth oil and gas wells, general petroleum extraction projects | N80, N80Q |
| Sour oilfield wells, corrosive underground working conditions | L80 |
| Deep wells, ultra-deep wells, high pressure & high temperature oil and gas fields | P110 |
| Oilfield water injection, gas transmission, well casing support engineering | All grades available |
Production & Packaging & Shipping
| Item | Details |
| Production Process | Hot rolling, piercing, sizing, straightening, heat treatment, threading, non-destructive testing (NDT), hydrostatic pressure test |
| Quality Inspection | 100% hydrostatic test, ultrasonic inspection, mechanical property test, dimensional accuracy test |
| Packaging | Standard seaworthy packaging, steel bundle packing, end plastic cap protection, anti-rust treatment, suitable for long-distance sea transportation |
| Delivery Time | Stock goods within 7 days, customized production 15-25 working days |
| MOQ | 20 Ton, bulk order acceptable |
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