-
Large Diameter Spiral Submerged Arc Welded Pipe | API 5L X42 X65 ASTM A252 Grade 3 SSAW Structural Steel Pipe Supplier in China
Large diameter spiral submerged arc welded steel pipe in stock. API 5L X42, X65 and ASTM A252 Grade 3 grades, custom length & coatings, fast delivery for global infrastructure projects.
-
ASTM A500 Grade B Black Carbon Steel Structural Pipe | Round Steel Pipe Supplier for Bulk Projects
Royal Steel Group supplies ASTM A500 Grade B structural pipe in black carbon steel, offering high strength, reliable dimensions, and custom sizes for construction, steel structures, industrial projects, and bulk orders.
-
API 5L Steel Pipe Supplier | Seamless & Welded Line Pipe Manufacturer
API 5L Steel Pipe Supplier | X42 X52 X70 Seamless & Welded Line Pipe
Looking for a trusted API 5L steel pipe supplier for oil & gas or pipeline projects?
Royal Steel Group supplies seamless steel pipe, ERW pipe, LSAW pipe, and SSAW pipe, meeting PSL1 / PSL2 standards for high-pressure applications.
✔ Full Grades: X42 – X80
✔ Large Stock & Fast Delivery
✔ Third-party Inspection Available
✔ Global Export Experience -
Large Diameter SSAW Spiral Welded Steel Pipe Manufacturer | Royal Steel Group
Royal Steel Group supplies large-diameter SSAW (spiral submerged arc welded) steel pipes for structural, foundation, water supply, oil and gas, and infrastructure projects.
The pipe is made from high-quality carbon steel strip, formed into a spiral and welded with the submerged arc process. It’s a proven method that produces a clean, strong weld — even at large diameters. Every production step follows strict quality control standards.
The result is dependable strength, solid weld quality, and a real cost advantage — which is why SSAW pipes hold up well in high-pressure service and demanding construction projects.
-
Q235 Welded Steel Pipe | Industrial & Construction Grade Carbon Steel Tubing
Durable Q235 Carbon Steel Welded Pipe for construction, industrial, and mechanical applications
-
SSAW Spiral Welded Steel Pipe Manufacturer | Large Diameter Steel Pipe Supplier
We make large-diameter SSAW (spiral submerged arc welded) pipes for projects that don’t get to fail: structural frames, foundations, water supply lines, oil and gas, and general infrastructure.
The steel starts as high-quality carbon strip, spiraled into a tube and welded by the submerged arc process. The weld seam comes out clean and deep, which matters most at big diameters, where a weak joint is the first thing to crack under pressure.
Quality control runs through every step, from strip to finished pipe. The pipe is strong enough for high-pressure service. The welds hold up in tough site conditions. And the cost makes sense at scale. That’s why SSAW keeps showing up on demanding construction projects.
-
ASTM A671 CC65 CL 12 EFW Pipes & Tubes – Industrial Boilers, Refineries & Infrastructure
ASTM A671 CC65 CL 12 EFW Carbon Steel Pipes – High-Strength Welded Steel Tubes for Industrial, Structural & Pressure Applications – Custom Sizes & OD/Wall Thickness Available
-
AS 1074 Carbon Steel Tubes for Water and Fluid Service
AS 1074 carbon steel tubes for general piping and fluid service applications. Explore tube sizes, Light, Medium and Heavy wall thicknesses, galvanized options, and request a quote from Royal Steel Group.
-
A53 Round Carbon Steel Pipe | Black Steel Tube | Seamless/ERW Pipe Factory | Large Stock & Custom Cut Length
ASTM A53 Grade B Steel Pipe – Engineered, Customized Solutions for the Americas Region
-
AS 1074 Steel Pipe & Tubes | Australian Standard Carbon Steel Pipe
Royal Steel Group supplies premium AS 1074 carbon steel tubes tailored for general piping and fluid handling operations across commercial, industrial and infrastructure projects. Our comprehensive pipe range features standard nominal sizes, alongside three core wall thickness grades: Light, Medium and Heavy. We also offer durable hot-dip galvanized steel tube variants to cater for corrosion-resistant application needs. Get in touch with our team today to browse full product specifications and secure a tailored, cost-effective quotation.
-
Industrial-Grade ASTM A671 CC65 CL 12 EFW Pipes/Tubes for Boilers, Refineries & Infrastructure
ASTM A671 CC65 CL 12 EFW Carbon Steel Pipes – High-Strength Welded Steel Tubes for Industrial, Structural & Pressure Applications – Custom Sizes & OD/Wall Thickness Available
-
API 5L Grade B X42 X52 X65 Carbon Steel Line Pipe Seamless and Welded Steel Pipe
API 5L Steel Pipe Supplier | X42 X52 X65 Seamless & Welded Line Pipe
Looking for a trusted API 5L steel pipe supplier for oil & gas or pipeline projects?
Royal Steel Group supplies seamless steel pipe, ERW pipe, LSAW pipe, and SSAW pipe, meeting PSL1 / PSL2 standards for high-pressure applications.
✔ Full Grades: X42 – X80
✔ Large Stock & Fast Delivery
✔ Third-party Inspection Available
✔ Global Export Experience
- English
- French
- German
- Portuguese
- Spanish
- Russian
- Japanese
- Korean
- Arabic
- Irish
- Greek
- Turkish
- Italian
- Danish
- Romanian
- Indonesian
- Czech
- Afrikaans
- Swedish
- Polish
- Basque
- Catalan
- Esperanto
- Hindi
- Lao
- Albanian
- Amharic
- Armenian
- Azerbaijani
- Belarusian
- Bengali
- Bosnian
- Bulgarian
- Cebuano
- Chichewa
- Corsican
- Croatian
- Dutch
- Estonian
- Filipino
- Finnish
- Frisian
- Galician
- Georgian
- Gujarati
- Haitian
- Hausa
- Hawaiian
- Hebrew
- Hmong
- Hungarian
- Icelandic
- Igbo
- Javanese
- Kannada
- Kazakh
- Khmer
- Kurdish
- Kyrgyz
- Latin
- Latvian
- Lithuanian
- Luxembou..
- Macedonian
- Malagasy
- Malay
- Malayalam
- Maltese
- Maori
- Marathi
- Mongolian
- Burmese
- Nepali
- Norwegian
- Pashto
- Persian
- Punjabi
- Serbian
- Sesotho
- Sinhala
- Slovak
- Slovenian
- Somali
- Samoan
- Scots Gaelic
- Shona
- Sindhi
- Sundanese
- Swahili
- Tajik
- Tamil
- Telugu
- Thai
- Ukrainian
- Urdu
- Uzbek
- Vietnamese
- Welsh
- Xhosa
- Yiddish
- Yoruba
- Zulu
- Kinyarwanda
- Tatar
- Oriya
- Turkmen
- Uyghur