
During manufacturing, transportation, and storage, carbon steel seamless pipes often accumulate contaminants such as rust, mill scale, welding slag, oil, and surface oxidation. If these impurities are not removed before installation or coating, they may affect pipeline cleanliness, corrosion resistance, coating adhesion, and long-term service performance. For this reason, pickling and passivation are important pretreatment processes for carbon steel seamless pipes, especially in industrial piping systems requiring high internal cleanliness or corrosion protection.
May 29, 2026 read more
Hot-dip galvanized square and rectangular tubes are widely used in steel structures, solar mounting systems, curtain wall engineering, warehouses, agricultural projects, and industrial manufacturing. Because these steel tubes are exposed to outdoor or humid environments, buyers often prioritize corrosion resistance, zinc coating quality, and long-term durability. The price of hot-dip galvanized square and rectangular tubes is influenced by several key factors, including steel raw material costs, zinc prices, galvanizing methods, tube specifications, market demand, and transportation expenses. This guide explains the major price factors, current market reference prices, and practical purchasing recommendations.
May 26, 2026 read more
Seamless steel pipes are widely used in power plants, petrochemical systems, machinery manufacturing, automotive engineering, and infrastructure projects. The wall thickness of a seamless steel pipe is not selected randomly. It is determined by a combination of working conditions, manufacturing processes, safety standards, and cost control considerations.
May 22, 2026 read more
LSAW steel pipes are widely used in oil and gas transmission, offshore engineering, structural piling, water transportation, and high-pressure pipeline systems. Because these projects often operate under extreme pressure, temperature, and environmental conditions, strict quality inspection before delivery is essential.
May 21, 2026 read more
In industries such as oil & gas, petrochemical, power generation, and construction, piping systems and spools play a critical role in ensuring safe and stable operations. Choosing a reliable piping system and spool supplier is not only about product quality — it is also about reducing engineering risks, ensuring delivery schedules, and improving overall project performance. For EPC contractors and project managers, supplier selection has become an important part of project success.
May 14, 2026 read more
ASTM A106 seamless pipe is a carbon steel pipe designed for high-temperature and high-pressure service applications. Manufactured without a weld seam, it offers excellent pressure resistance, high structural strength, and reliable performance under elevated temperatures. ASTM A106 pipes are widely used in power plants, oil and gas projects, petrochemical facilities, boiler systems, and industrial process pipelines.
May 12, 2026 read more
Square Hollow Section (SHS) steel is a square-shaped hollow structural steel tube widely used in construction, steel structures, machinery manufacturing, and engineering projects. A square hollow section weight chart helps engineers and buyers quickly determine the theoretical weight, wall thickness, and dimensions of SHS steel tubes for material estimation, transportation planning, and structural design.
May 09, 2026 read more
ASTM A36 and ASTM A516 are two widely used carbon steel plate materials in industrial manufacturing, but they are designed for completely different service conditions. Understanding the differences between A36 and A516 steel plate is essential for selecting the correct material for structural integrity, pressure resistance, and long-term operational reliability.
May 07, 2026 read more
A seamless carbon steel pipe for high-temperature service is a pressure-bearing steel pipe manufactured without welding seams. This seamless structure provides uniform strength and excellent resistance to thermal stress and internal pressure. Choosing the right pipe is not just a procurement decision—it is a reliability strategy for the entire system lifecycle.
Apr 30, 2026 read more
SCH 20 steel pipe is a thin-wall pipe classification defined under ASME B36.10 / B36.19 standards, mainly used in low-pressure and non-critical piping systems. It prioritizes flow capacity and cost efficiency over pressure resistance.
Apr 28, 2026 read more
Seamless steel pipe EAC certification is a mandatory conformity certification required for exporting pipes to the Eurasian Economic Union (EAEU). It ensures compliance with TR CU 032/2013 (Pressure Equipment Safety). Without EAC certification, products cannot pass customs clearance or be legally sold in EAEU countries.
Apr 23, 2026 read more
ASTM A500 is a widely used standard for carbon steel hollow structural sections (HSS), including square (SHS), rectangular (RHS), and round (CHS) tubes. These sections are designed for load-bearing structural applications, offering reliable strength, weldability, and dimensional accuracy in construction and infrastructure.
Apr 21, 2026 read more
Continental Steel Co.,Ltd(CSC) is a pioneering manufacturer, stockist, and supplier of steel pipe products.