API 5L is the industry standard for steel pipe for long-distance transportation of oil, natural gas and water. It covers a number of different grades, including GR.42 and GR.46 to GR.60, GR.65, GR.70 and GR.80 wait. Each grade of API 5L steel pipe has its specific advantages and is suitable for specific application scenarios.
GR.42 and GR.46 are two types of carbon steel that are specially designed for applications requiring low temperature suitability and good mechanical properties. They are also commonly used in structural applications and are available with plain or threaded ends. These grades play an important role in the construction of bridges, buildings, storage tanks and other structures that require low-temperature toughness. In addition, they are used to manufacture line pipes for transporting oil or natural gas over long distances in harsh environments with high pressure fluctuations.
GR.52 and GR.56 are two other carbon steels that are specifically designed for applications requiring higher yield strength, such as offshore platforms and pipelines that transport oil or gas over long distances in harsh environments with high pressure fluctuations and extreme temperatures. These grades have a higher alloy content compared to mild steel, resulting in higher corrosion resistance and can be used in corrosive environments such as deepwater offshore operations where sulfuric acid concentrations can reach 90%. In addition, these grades offer excellent weldability, making them ideal for welding applications such as subsea pipeline construction projects.

Technical Data

Carbon Steel API 5L Line Pipe Physical Properties :

API 5L Grade	Yield Strength min. (ksi)	Tensile Strength min. (ksi)	Yield to Tensile Ratio (max.)	Elongation min. %1
A	30	48	0.93	28
B	35	60	0.93	23
X42	42	60	0.93	23
X46	46	63	0.93	22
X52	52	66	0.93	21
X56	56	71	0.93	19
X60	60	75	0.93	19
X65	65	77	0.93	18
X70	70	82	0.93	17
X80	80	90	0.93	16

company advantage

GNEE specializes in the production and processing of steel pipes, hot-rolled steel pipes, cold-rolled precision pipes, cold-drawn seamless pipes, special-shaped steel pipes, low-temperature steel pipes, oil pipeline pipes, square and rectangular pipes. The products comply with ASTM, DIN, API 5L, API 5CT, JIS, BS and other international standards. The outer diameter of stock products ranges from 3mm to 3200mm, and the thickness ranges from 0.1mm to 500mm. Cooperating with some famous large-scale steel mills in China, we can provide excellent quality, competitive prices and fast delivery. We can also arrange customization.

FAQ
Q.Why choose Gnee?
A.With us, you will get the most competitive price, guaranteed quality, guaranteed delivery and after-sales service.
Q.Do you have a quality control system?
A.Yes, we have our own quality control laboratory. Third party testing service is also available.
Q.Will you delivery the goods on time?
A.Yes,we promise to provide best quality products and delivery on time .Honesty is our company's tenet.