High-Quality 400mm Diameter Steel Pipe Suppliers & Companies

When it comes to sourcing high-quality 400mm Diameter Steel Pipes, I know how crucial it is to find reliable suppliers. At TIANJIN RELIANCE STEEL CO., LTD, we specialize in offering top-notch steel pipes that meet industry standards. Our commitment to service means we provide not just the product, but also support throughout your purchasing journey, I understand that as a purchaser, you want assurance in the quality of your materials. That's why our steel pipes undergo rigorous testing and quality control to ensure durability and performance. With our efficient delivery and responsive customer support, you can trust us to meet your business needs, If you're searching for a solid partnership with a reputable supplier for 400mm diameter steel pipes, you’re in the right place. Let's work together to ensure your projects run smoothly and successfully

Hot Selling Product

Pre Galvanized Square Steel Pipe for Structural Applications

ERW Welded Round Steel Pipe ASTM A53 for Construction

High-Quality Q235 Hot Dip Galvanized Steel Pipe for Industrial Use

ASTM A53 Hot Dip Galvanized Round Steel Pipe for Construction

Durable Seamless Steel Pipe for Fluid and Gas Transmission

Square and Rectangular Steel Pipe for Fencing and Framework

Making Smart Choices 400mm Diamet Steel Pipe Products Sets the Industry Standard

In today’s competitive market, making informed choices is essential for procurement professionals. Our 400mm diameter steel pipe products stand out as a benchmark in the industry. Manufactured with precision, these pipes are available in round, square, and rectangular shapes, catering to diverse applications while ensuring robust performance. Whether you’re involved in constructing greenhouses, scaffolding systems, or requiring dependable solutions for gas, oil, and fluid transportation, our Welded Steel Pipes offer unmatched durability and reliability. Our galvanized and pre-galvanized options further enhance corrosion resistance, making them ideal for various environmental conditions. With an emphasis on quality and innovation, we leverage advanced manufacturing techniques to set the industry standard. Global buyers can rest assured knowing our products undergo rigorous quality control processes, ensuring they meet international specifications and customer requirements. By choosing our 400mm steel pipes, you are not only investing in superior products but also aligning with a manufacturer committed to excellence and sustainability in every aspect of production. Explore the possibilities with us and elevate your project’s performance today!

Making Smart Choices 400mm Diameter Steel Pipe Products Sets the Industry Standard

Product Type	Material Grade	Wall Thickness (mm)	Weight (kg/m)	Standard Compliance	Application Area
Type A	S235JR	5.0	39.5	EN 10219	Construction
Type B	S355J2H	6.0	49.2	ISO 9001	Oil & Gas
Type C	API 5L Grade B	8.0	66.3	ASTM A53	Water Supply
Type D	Grade 10	5.6	41.5	ASME B36.10	Structural

Comparison of Steel Pipe Strength by Diameter

This chart illustrates the tensile strength of steel pipes differing in diameter, ranging from 200mm to 600mm. As the diameter of the steel pipe increases, there is a corresponding increase in tensile strength, reflecting the improved capacity of larger pipes to withstand stress and pressure. For instance, a 600mm pipe exhibits a tensile strength of 600 MPa, while a 400mm pipe shows a strength of 500 MPa. This relationship is significant for industries relying on robust piping systems, where choosing the appropriate pipe size is essential for safety and efficiency. Understanding this metric helps engineers and professionals make informed decisions when selecting steel pipe products, ensuring they meet the operational demands of various applications while adhering to industry standards.