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Line Pipe Steel Plate

Line Pipe Steel Plate is a specialty steel plate used specifically for the manufacture of long-distance pipelines (such as oil and gas pipelines and water pipelines) that transport fluids such as oil, gas, water, and mud. It is a key structural material in energy transportation and urban infrastructure construction. Its core requirements are high strength and toughness, along with excellent Weldable, corrosion resistance, and low-temperature resistance to withstand the complex working conditions encountered during pipeline laying (such as in the field, deep sea, and in low-temperature permafrost regions).

Classification :

Thick steel plate

WhatsApp : +8615263576933

E-mail : lily@iron-element.com

PRODUCT DETAILS

Product introduction

Core features

1. High strength (pressure resistance, deformation resistance)

2. High toughness (low temperature resistance, impact resistance)

3. Excellent Weldable

4. Corrosion resistance

5. Good forming

Implementation standards and specifications

Grade	Implementation standards	Specifications
L210/A L245/B L290/X42 L360/X52 L390/X56 L415/X60 L450/X65 L485/X70 L245N/BN～L415N/X60N L245M/BM～L555M/X80M L245Q/BQ～L555Q/X80Q L245MS/BMS～L485MS/X70MS L245MO/BM0～L555MO/X80MO L360MH/X52MH L450MC/X65MC	API SPEC5L 46TH EDITION-2018 GB/T 21237 GB/T 9711	4～50*1500～4100

Implementation standards	Scope of application	Grade	Application engineering
API 5L	Global oil and gas pipelines (common in international projects)	X42、X52、X60、X70、X80、X100	China-Russia East Line (X100 section), China-Kazakhstan crude oil pipeline
GB/T 9711-2011	Domestic oil, gas and water pipelines	API 5L 的 X42-X100，（如 X65QS、X70L）	West-East Gas Pipeline Lines 1 and 2 (X70), South-to-North Water Diversion Project (X52)
EN 10219	Pipeline projects in Europe and export to Europe	S235、S275、S355（对应 API X42-X60）、L415（X60）、L485（X70）	European North Sea oil and gas pipeline

Implementation standards and specifications

Strength level	Yield strength（MPa）	Tensile strength（MPa）	Typical application scenarios
X42	290	415	Low-pressure water pipelines, low-pressure crude oil pipelines (pressure ≤ 4MPa)
X52	360	485	Medium-pressure natural gas pipelines (city gas pipelines), industrial slurry pipelines
X60	415	520	Medium and high pressure oil and gas pipelines (pressure 6-8MPa), conventional onshore pipelines
X70	485	570	High-pressure oil and gas pipelines (pressure 10MPa)
X80	550	625	Ultra-high-pressure long-distance pipelines (such as the China-Russia East Line natural gas pipeline)
X100	690	760	Ultra-high pressure pipelines (pressure 12-14 MPa), deep-sea pipelines

Application areas

Pipeline steel plate is a specialty steel designed specifically for pipelines. Its design philosophy centers on "safe transportation" and "environmental adaptability." Through material optimization and process control, it achieves a comprehensive combination of high strength, high toughness, Weldable, and corrosion resistance. With growing global energy demand and the trend toward high-pressure, long-distance, and extreme-environment pipeline projects, pipeline steel is evolving toward higher strength (such as X120) and higher corrosion resistance (such as deep-sea corrosion resistance).

Energy: Oil pipelines (such as the China-Kazakhstan crude oil pipeline), natural gas pipelines (such as the West-East Gas Pipeline Lines 1 and 2, and the China-Russia East Pipeline), and shale gas pipelines.

Municipal: Urban water pipelines and sewage treatment plant sludge pipelines.

Industrial: Acid and alkali solution pipelines within chemical parks and slurry pipelines (such as Desulfurization slurry) for power plants.

Company Strength

We strictly inspect the quality,our products are reasonably priced , we have stable supply，fast deliver and responsible after-sale service, so our products and service are widelv praised ov our cusomer.