This industrial pipe fitting centers on carbon steel Q235B, a structural carbon steel specified in China’s GB/T 700 standard. It boasts good weldability and mechanical properties, with a minimum yield strength of 235 MPa, making it suitable for general industrial pressure-bearing scenarios.
In terms of American standard specifications, it follows ANSI standards, with DN100 (nominal diameter) corresponding to a pipe size of approximately 4 inches. The Class300 rating indicates a pressure class of around 5.17 MPa at room temperature, ensuring stable performance under medium-pressure conditions. As a weld neck flange, its neck structure enhances connection rigidity and reduces stress concentration, enabling reliable welding with pipes.
Widely applied in petroleum, chemical, and water treatment industries, it is used to connect pipelines, valves, and pumps, facilitating disassembly and maintenance while ensuring sealed medium transportation. It balances cost-effectiveness and functionality, becoming a common choice for medium-pressure industrial piping systems.
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