API 5L PSL2 LSAW Steel Pipe

Date: 2019-10-08

API 5L PSL2 LSAW Steel Pipe API 5L PSL2 LSAW Steel Pipe LSAW steel pipe are manufactured of metal in-house produced and smelted in the electric furnace, treated with synthetic slags and cast by continuous casters. The applied steel making process ensures the achievement of chemically pure steel with reference to sulphur and phosphor contents providing high tensile, ductility and corrosion resistance properties of pipes to be operated at low temperatures in various corrosion media. Rolling using a press piercing mill and continuous mill equipped with a fixed mandrel allows strict measurement tolerances to be obtained and ensures a lack of pipe body and surface defects. In order to achieve high tensile and ductility steel as well as its required structure, providing a high corrosion resistance in various corrosion media, pipes are heat treated in a computerized walking beam furnace. 70% of oil line pipes are subject to heat treatment. Pipes are inspected for internal and external flows by automatic non-distructive testing of ultrasonic and electromagnetic inspection. Pipe ends inspection after beveling is done by magnetic-fluoroscopic flaw detection. While manufacturing seamless line pipes ensures testing of corrosion-resistance properties through hydrogen included cracking method under NACE MR 02-84 and sulphide stress corrosion cracking method under NACE MR 01-77. Api 5l gr.b seamless pipe The purpose of api 5l gr.b seamless pipe is suitable for useing in conveying gas, water, and oil in both oil and natural gas industries. Chemical Component Mechanical Properties API 5L X52 steel pipe API 5l X52 is oil pipeline standard. The API SPEC 5L covers seamless line pipe and welded line pipe. Usage: for oil, natural gas industry, oxygen, water, oil pipeline; may also be used in the construction of engineering infrastructure, the Linyuan road beautification, drainage channels, the plant steel hook building, high-voltage power tower. API 5L X52 chemical composition Post time: Oct-08-2019 Standard Grade C Mn P S API 5L B ≤0.28 ≤1.20 ≤0.030 ≤0.030 Standard Grade yield strength(mpa) tensile strength(mpa) elongation(%) API 5L B 241 414 21-27 Standard C(%) Ti(%) Mn(%) P(%) S(%) API 5L X52 0.28 0.04 1.40 0.03 0.03 API 5L X52 mechanical protert

Prev : Analysis on the weld defects on the low carbon steel pipeline
Next : Buried pipeline coating
Tags : stainless steel pipe supplier , dsaw steel pipe , steel tube supplier

News

Latest news list

How Should 3PE Anti Corrosion Steel Pipe Be Maintained After Installation

3PE anti corrosion steel pipe is designed to reduce external corrosion risk,particularly in buried and submerged pipeline applications,However,a high-quality factory-applied coating does not remove the need for inspection,monitoring,and maintenance after installation,Pipeline conditions can change over time,Coating damage may also occur during installation,excavation,third-party activities,or other maintenance work,A preventive maintenance program helps operators identify potential problems before they develop into more serious pipeline integrity issues,
How to Choose the Right 3PE Anti Corrosion Steel Pipe for Your Project

Choosing the right 3PE anti corrosion steel pipe is not simply a matter of selecting a pipe with a polyethylene outer layer,For buried pipelines,water transmission systems,oil and gas transportation,and industrial infrastructure,the pipe and coating system need to match the operating environment,installation conditions,technical specification,and inspection requirements,A clear selection process helps buyers reduce coating-related risks before the pipe reaches the jobsite,
How Can 3PE Anti Corrosion Steel Pipe Protect Pipelines in Corrosive Environments

External corrosion is an important consideration for steel pipelines exposed to soil,moisture,salts,groundwater,and other aggressive conditions,For long-distance and buried pipelines,corrosion protection should not be treated as a maintenance issue alone,It needs to be considered from pipeline design and procurement through coating application,installation,and operation,3PE anti corrosion steel pipe provides a multilayer external barrier that helps reduce the steel surface's exposure to the surrounding environment,However,its effectiveness depends on coating quality,installation practices,field joint protection,and the overall corrosion-control strategy,
What Quality Control Does 3PE Anti Corrosion Steel Pipe Require

3PE anti corrosion steel pipe is widely used for buried and submerged pipeline systems because its external coating helps protect the steel substrate from moisture,soil,and other external corrosion risks,However,a good-looking coating does not necessarily mean a qualified coating system,Surface preparation,coating thickness,adhesion,continuity,pipe-end condition,repair,and documentation all need to be controlled,For this reason,3PE quality control should cover the complete production and inspection process rather than relying on final visual appearance alone,
Why Is 3PE Anti Corrosion Steel Pipe Used for Buried Pipelines

Buried steel pipelines operate in an environment that is difficult to control,After installation,the pipe may remain in contact with soil,moisture,groundwater,salts,and other external conditions for many years,Without suitable external corrosion protection,the exposed steel surface can gradually deteriorate,This is why 3PE anti corrosion steel pipe is widely considered for buried pipeline systems,Its three-layer external coating creates a protective barrier between the steel surface and the surrounding environment while also providing additional mechanical protection during handling and installation,