SINO SOURCES TECH CO.. LTD. as a leading China steel products manufacturer specialized in production of high quality steel series products and located in Tianjin. The area of Sino Sources Group is about 60,000 square meters with annual steel production capacity reaching to 500,000 MT. Its products’ ranges include steel pipes, tubes, steel sheet and coil, structural steel like steel profile and so on.
DN 25 Galvanized Steel Pipe Dimensions and Applications
/in News /by PaulDN 25 galvanized steel pipe dimensions standards and applications for water gas and structural use with corrosion resistant durability
Square Steel Pipe Sizes Grades and Finishes for Structural Use
/in News /by PaulIntroduction to Square Steel Pipe Square steel pipe, also known as square hollow section (SHS) or structural square pipe, is a hollow metal profile with equal side lengths, crafted from high-quality carbon steel. This versatile square steel tubing offers outstanding strength and durability, making it a preferred choice across structural, mechanical, and architectural projects worldwide. […]
Galvanized Steel Pipe Guide Specs Standards and Uses
/in News /by PaulGalvanized steel pipe guide covering hot dip and pre galvanized specs standards applications corrosion resistance and SINO EAST solutions
What is a 48.3mm Hot Dip Galvanized Scaffolding Pipe?
/in News /by PaulWhen you are erecting a multi-story support structure, you need materials that absolutely will not fail. As a leading manufacturer based in Tianjin with an annual capacity of 500,000 MT, we know exactly what goes into creating a reliable structural backbone. The core of that backbone is the 48.3mm hot dip welded galvanized steel pipe […]
4 Inch Square Steel Pipe Guide Specs Grades Uses
/in News /by PaulDiscover 4 inch square steel pipe specs grades uses and sourcing tips from SINO EAST for construction and industrial projects
The Ultimate Guide to Welded Steel Pipe for Gas and Oil Lines: 2026 Procurement Insights
/in News /by PaulWelded steel pipe for gas and oil lines refers to carbon steel piping systems manufactured by forming steel plates and sealing the seams using high-frequency induction (ERW) or submerged arc welding (LSAW/SSAW). Predominantly governed by the API 5L (ISO 3183) standard, these pipes are engineered to transport hydrocarbons under high pressure, balancing cost-efficiency with extreme […]
What are the Main Types of Welded Steel Pipe for Gas and Oil?
/in News /by PaulChoosing the right welding method is critical for pipeline safety and project budget. The industry primarily relies on three types: ERW (Electric Resistance Welded): Created through cold-forming. Best for smaller diameters and medium-pressure distribution lines. LSAW (Longitudinal Submerged Arc Welded): Features a single longitudinal seam. Ideal for heavy-wall, large-diameter, and high-pressure long-distance pipelines. SSAW (Spiral […]
Square Steel Pipe Specifications & Dimensions – 2026 Standards Table
/in News /by PaulIn construction, machinery manufacturing, furniture production, and various structural applications, square steel pipes have become one of the most widely used hollow steel products due to their high strength, excellent stability, ease of processing, and uniform appearance. 1.What Are Square Steel Tubes? Square steel tubes are hollow steel products with a square cross-section. The core […]
How to Choose Galvanized Steel Pipe for Scaffolding
/in News /by PaulIn the construction industry, the safety of scaffolding directly impacts the safety of workers and the progress of projects. As the core material of scaffolding, the selection of galvanized steel pipes is particularly crucial. With such a wide variety of products available on the market, how can one choose galvanized steel pipes that meet standards […]
Hot-Dip Galvanized vs Pre-Galvanized Steel: Differences, Applications & How to Choose
/in News /by PaulIn global steel procurement and engineering applications, galvanized steel tubes are widely used in construction, infrastructure, agriculture, and manufacturing due to their excellent corrosion resistance. However, during the actual selection process, many buyers encounter a critical question: What exactly is the difference between hot-dip galvanized steel tubes and Pre-Galvanized steel tubes? Which one is better? 1.What […]