If you work on Chinese extreme-pressure energy, ultra-deep offshore, or arctic-grade industrial projects—needing a pipeline steel that meets China’s national standards for peak strength, sour gas resistance, and cold-climate durability—GB L450 pipeline steel is the top-tier solution. As an ultra-high-strength grade in China’s GB/T 9711 standard (for welded and seamless steel pipes), its 450 MPa minimum […]
If you work on Chinese high-pressure energy, deep offshore, or heavy industrial projects—needing a pipeline steel that meets China’s national standards for strength, corrosion resistance, and cold-climate durability—GB L360 pipeline steel is the premium solution. As a high-strength grade in China’s GB/T 9711 standard (for welded and seamless steel pipes), its 360 MPa minimum yield strength
If you work on Chinese oil and gas, municipal infrastructure, or industrial projects—needing a cost-effective, reliable pipeline steel that meets China’s national standards for low-to-medium pressure applications—GB L245 pipeline steel is an ideal choice. As a core grade in China’s GB/T 9711 standard (for longitudinal submerged arc welded and seamless steel pipes), its 245 MPa minimum
If you work on European extreme-pressure energy, ultra-deep offshore, or arctic-grade industrial projects—needing a pipeline steel that delivers peak strength, sour gas resistance, and cold-climate durability—EN L485 pipeline steel is the industry’s top-tier solution. As the highest-strength mainstream grade in European standards (EN 10217 for welded pipes, EN 10297 for seamless pipes), its 485 MPa minimum
If you work on European extreme-pressure energy, ultra-deep offshore, or arctic-grade industrial projects—needing a pipeline steel that delivers unmatched strength, sour gas resistance, and cold-climate durability—EN L450 pipeline steel is the premium solution. As a top-tier ultra-high-strength grade in European standards (EN 10217 for welded pipes, EN 10297 for seamless pipes), its 450 MPa minimum yield
If you work on European ultra-high-pressure energy, ultra-deep offshore, or arctic-grade industrial projects—needing a pipeline steel that pushes the limits of strength, corrosion resistance, and cold-climate durability—EN L415 pipeline steel is the industry’s premium solution. As an ultra-high-strength grade in European standards (EN 10217 for welded pipes, EN 10297 for seamless pipes), its 415 MPa minimum
If you work on European high-pressure energy, deep offshore, or heavy industrial projects—needing a pipeline steel that delivers exceptional strength, cold-climate durability, and EU standard compliance—EN L360 pipeline steel is the premium solution. As a high-strength grade in European standards (EN 10217 for welded pipes, EN 10297 for seamless pipes), its 360 MPa minimum yield strength
If you work on European medium-to-high pressure energy, industrial, or offshore projects—needing a pipeline steel that balances strength, durability, and compliance with EU standards—EN L290 pipeline steel is your reliable solution. As a key grade in European standards (EN 10217 for welded pipes, EN 10297 for seamless pipes), its 290 MPa minimum yield strength outperforms lower
If you work in European oil and gas, water infrastructure, or industrial projects—needing a reliable, cost-effective pipeline steel for low-to-medium pressure applications—EN L245 pipeline steel is an ideal choice. As a core grade in the European Standard EN 10217 (for welded steel pipes) and EN 10297 (for seamless steel pipes), its 245 MPa minimum yield strength
If you work in ultra-high-pressure oil/gas transmission, ultra-deepwater offshore projects, or arctic energy networks—needing a pipeline steel that pushes the limits of strength, durability, and corrosion resistance—API 5L X80 pipeline steel is the industry’s top-tier solution. As an ultra-high-strength grade in the American Petroleum Institute (API) 5L specification, its 80 ksi (551 MPa) minimum yield strength
If you work in ultra-high-pressure oil/gas transmission, ultra-deepwater offshore projects, or arctic energy networks—needing a pipeline steel that delivers exceptional strength, corrosion resistance, and toughness—API 5L X70 pipeline steel is the industry’s premium solution. As a high-strength grade in the American Petroleum Institute (API) 5L specification, its 70 ksi (483 MPa) minimum yield strength outperforms mid-range
If you work in deepwater offshore energy, high-pressure oil/gas transmission, or sour gas projects—needing a pipeline steel that balances exceptional strength, corrosion resistance, and durability—API 5L X65 pipeline steel is the industry’s premium mid-range solution. As a core grade in the American Petroleum Institute (API) 5L specification, its 65 ksi (448 MPa) minimum yield strength outperforms
If you work in high-pressure oil and gas transmission, deepwater offshore projects, or large-scale industrial infrastructure—needing a pipeline steel that balances strong pressure resistance, corrosion resilience, and weldability—API 5L X60 pipeline steel is the ideal choice. As a premium mid-range grade in the American Petroleum Institute (API) 5L specification, its 60 ksi (414 MPa) minimum yield
If you work in oil and gas transmission, offshore energy, or large-scale infrastructure—needing a pipeline steel that balances high strength, weldability, and cost-effectiveness—API 5L X52 pipeline steel is the industry standard. As a core grade in the American Petroleum Institute (API) 5L specification, its 52 ksi (359 MPa) minimum yield strength makes it ideal for medium-to-high
If you work in oil and gas, water transmission, or infrastructure sectors—needing a cost-effective, reliable steel for low-to-medium pressure pipelines—API 5L X42 pipeline steel is a top choice. As a standard from the American Petroleum Institute (API), it balances strength, weldability, and formability, making it ideal for onshore, offshore, and industrial pipeline projects worldwide. This guide
If you work in Chinese automotive, heavy machinery, or high-stress industrial sectors—needing springs that resist fatigue, handle high temperatures, and endure heavy loads—GB 55CrSi spring steel is a premium solution. As a Chinese National Standard (GB/T 1222) chromium-silicon alloy spring steel, it combines the elasticity of silicon with the hardenability of chromium, outperforming plain carbon steels
