API 5L X70 Pipe

PropertyValue
Nominal Pipe Size (NPS)1/2" to 48"
Outside Diameter (OD)Varies with NPS
Wall Thickness (WT)Schedule 10 through 160, STD, XS, XXS
LengthSingle Random, Double Random, Custom (up to 300')
EndsPlain, Beveled, Screwed, Threaded
Manufacturing TypeSeamless, ERW, SAW, HSAW
Available GradesX70 (L485)
Product Specification Levels (PSL)PSL1, PSL2
ApplicationsOil and gas pipelines, high-pressure applications
Categories: ,

Description

Product Description API 5L X70 Pipe

API 5L X70 Pipe  also know as L485 is a high-strength steel pipe designed for use in the transportation of oil and natural gas. It is manufactured according to the specifications outlined by the American Petroleum Institute (API), particularly under the API 5L standard, which defines the requirements for pipe materials used in the oil and gas industry.

The “X70” grade of API 5L refers to the yield strength of the material, which is 70,000 psi (pounds per square inch). This high-strength steel provides enhanced durability and resistance to harsh conditions, making it ideal for use in high-pressure and high-temperature environments commonly found in pipelines for oil and gas transmission. API 5L X70 pipes are capable of withstanding external and internal forces, ensuring the safety and reliability of the pipelines they form.

These pipes are typically made from carbon steel and feature excellent mechanical properties, including high tensile strength, good resistance to corrosion, and excellent weldability. They are commonly used in the construction of pipelines for transporting crude oil, natural gas, and other related products over long distances. API 5L X70 pipes also offer superior resistance to cracking and pitting, especially in sour gas environments or where the presence of hydrogen sulfide (H2S) is a concern.

API 5L X70 Pipe Dimensions

NPS (inches)OD (inches)Wall Thickness (inches)Weight per foot (lbs)
1/20.8400.1090.85
3/41.0500.1131.13
11.3150.1331.68
1 1/41.6600.1402.27
1 1/21.9000.1452.72
22.3750.1543.65
33.5000.2167.58
44.5000.23710.79
66.6250.28018.99
88.6250.32228.55
1010.7500.36540.48
1212.7500.40653.52
1414.0000.50076.00
1616.0000.50087.54
1818.0000.562113.76
2020.0000.593134.14
2424.0000.688186.28
3030.0000.875291.76
3636.0001.000436.91
4242.0001.188594.18
4848.0001.250754.82

API 5L X70 Chemical Composition

ElementContent (%)
Carbon (C)0.22 max
Manganese (Mn)1.60 max
Phosphorus (P)0.025 max
Sulfur (S)0.015 max
Silicon (Si)0.45 max
Nickel (Ni)0.50 max
Chromium (Cr)0.50 max
Copper (Cu)0.50 max
Vanadium (V)0.10 max
Molybdenum (Mo)0.15 max
Titanium (Ti)0.06 max

API 5L X70 Mechanical Properties

PropertyValue
Yield Strength70,300 psi (485 MPa)
Tensile Strength82,700 psi (570 MPa)
Elongation18% (for a 2-inch gauge length)
Charpy V-Notch Impact Test27 Joules (minimum) at -30°C (-22°F)

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