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API 5L X42/X52/X60 Seamless Carbon Steel Pipe for Oil and Gas Transportation
Product Details
| Product Name | API 5L X42/X52/X60 Seamless Carbon Steel Pipe For Oil And Gas Transportation | Section Shape | Round |
|---|---|---|---|
| Tolerance | ±10% | Thinchness | 5S-XXS |
| Colour | Black | Product Type | Seamless Carbon Steel Pipe |
| Testing | Hydrostatic Test, Ultrasonic Test, Eddy Current Test | Surface | Painted |
| Ends | Plain, Beveled, Threaded | Color | Black Or As Request |
| Usage | Oil | Machine Type | Drilling Tool |
| Size | 1/4” - 24” | Technology | Hot Rolled |
| Pipe Type | API | Surface Finish | Polished |
Product Description
API 5L X42/X52/X60 Seamless Carbon Steel Pipe for Oil and Gas Transportation
1.Product Description
API 5L carbon steel pipe is a carbon and low-alloy steel line pipe designed, manufactured, and inspected in accordance with the American Petroleum Institute Specification 5L. This specification is technically harmonized with ISO 3183 and equivalently adopted in China as GB/T 9711, enabling global mutual recognition across major oil and gas markets.
Steel grades range from A25, B, X42 up to X80 (higher grades available upon special agreement), where the number after X denotes the minimum yield strength in ksi. Manufacturing processes are divided into Seamless (SMLS) and Welded, with the latter further classified by forming method into Longitudinal (LSAW/ERW) and Spiral (SSAW), each suited to different diameters and pressure ratings according to project requirements.
2. Product Applications
| Manufacturing Process | OD Range | Typical WT Range | Applicable Scenarios & Features |
| Seamless SMLS | 10.3mm ~ 660mm | Thick, up to >80mm | High-pressure, small-diameter, complex terrains; no weld seam risks; highest pressure capacity |
| ERW | 21.3mm ~ 610mm | Thin to medium wall | Cost-effective with high dimensional accuracy; suitable for onshore branch lines and city gas |
| LSAW | 406mm ~ 1422mm | Thick wall, high pressure | Main trunk line preferred type; short weld seam, lower defect probability, excellent crack arrest toughness |
| SSAW | 219mm ~ 2032mm | Medium wall | Large-diameter cost-effective solution; suitable for low-pressure water transmission and low-stress gas lines, though weld seam is longer |
Selection should comprehensively consider design pressure, diameter, installation environment (subsea/permafrost/seismic zones), and economic viability. PSL2 grade is typically recommended for high-pressure, sour, or low-temperature critical service conditions.
3. Product Advantages
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Upstream: Wellhead high-pressure gas gathering lines, water/polymer injection lines, offshore platform risers, and subsea flowlines.
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Midstream: National pipeline network trunk lines, inter-provincial long-distance pipelines, and compressor/pump station process piping.
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Downstream: Refinery high-temperature process lines, refined product distribution branches, and urban high-pressure ring networks.
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Non-Oil & Gas: Large-scale water diversion projects (e.g., shield tunnel liners), mine tailings pipelines, and power plant circulating water pipes.
4.Key Product Parameters
| Parameter Category | Detailed Technical Specifications |
| Applicable Standards | API Spec 5L (46th Ed.) / ISO 3183 / GB/T 9711 |
| Specification Levels | PSL1 (Standard), PSL2 (Strict), PSL2 + Sour Service |
| Steel Grades | B, X42, X52, X60, X65, X70, X80 (X90/X100 by technical agreement) |
| Outside Diameter (OD) | SMLS: 10.3～660mm; LSAW/SSAW: 406～2032mm |
| Wall Thickness (WT) | Standard 3.2～60mm; customized up to 100mm |
| Delivery Length | Fixed lengths (6/9/12/18m) or Random Length (RLE) and Double Random (DRL) |
| Chemical Requirements (PSL2 typical) | C≤0.12%; Mn≤1.40%; P≤0.025%; S≤0.015%; CEV≤0.42% (for X65) |
| Yield Strength Rt0.5 | X52≥360MPa; X65≥450MPa; X80≥555MPa |
| Tensile Strength Rm | X52≥460MPa; X65≥535MPa; X80≥625MPa |
| Yield-to-Tensile Ratio (PSL2) | ≤0.93 (ensuring sufficient safety margin) |
| Impact Energy (-20℃, Transverse) | X65 average≥80J, single≥60J; X70 average≥100J (subject to thickness adjustment) |
| Hardness Limit (Sour Service) | ≤250 HV10 (or ≤22 HRC) |
| Pipe End Bevel | Compound bevel (30°~35° with land 1.6±0.8mm); PE or TE optional |
| Hydrostatic Test | Hold at calculated test pressure for ≥10 seconds; no leakage or visible deformation |
| Coating Options | Bare pipe/Rust-preventive oil/3LPE/3LPP/FBE (thickness per DNV or ISO 21809-1) |
FAQ
1. Are you trading company or manufacturer ? We are manufacturer ,You can see the certification.
2.How long is your delivery time? Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.
3. Do you provide samples ? is it free or extra ? Yes, we could offer the sample for free charge but need pay the cost of freight.
4. What is your terms of payment ? Payment<=1000USD, 100% in advance. Payment>=1000USD, 50% T/T in advance ,balance before shippment.
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