جذابیت زیبایی شناختی astm a269 با کارایی بالا
The ASTM A269 tubing refers to series of seamless or welded austenitic stainless steel tubing for general corrosion-resisting and low- or high-temperature service. TP304, TP304L, TP316 and TP316L are the most widely used grades and are often found available in stock. Sizes & dimensions, characteristics & applications, chemical … بیشتر