Knowledge

The chemical composition of 304 stainless steel includes 18%-20% chromium (Cr) and 8%-10.5% nickel (Ni), and does not contain molybdenum (Mo). The chromium and nickel content of 309S stainless steel a

304 is austenitic stainless steel, which is the most commonly used stainless steel, and its national standard grade is 06Cr19Ni10. 904 is martensitic stainless steel, and its national standard grade i

GNEE is a professional manufacturer and supplier of TP316 stainless steel pipes, and the implementation standards are ASTM A213/ASTM A312/ASTM A249/ASTM A269/ASTM A270.

GNEE is a professional manufacturer and supplier of TP304 stainless steel pipes, and the implementation standards are ASTM A213/ASTM A312/ASTM A249/ASTM A269/ASTM A270.

304L stainless steel is a low carbon version of 304 stainless steel. It has a similar chemical composition to 304 stainless steel, but has a lower carbon content, which helps improve welding propertie

Both 304 stainless steel and 304L stainless steel are austenitic stainless steel, and the corrosion resistance of austenitic stainless steel comes from the chromium oxide protective layer formed on th

The main difference between stainless steel 304 and stainless steel 321 pipes is heat resistance and resistance to intergranular corrosion.

ASTM A213 TP316L Heat Exchanger Tube‌ is a premium stainless steel seamless tube, mainly used in heat exchangers and other industrial applications. TP316L is a low carbon version of 316L stainless ste

ASTM A213 Stainless Steel Heat Exchanger Tube‌ is a seamless ferritic and austenitic alloy steel tube used in boilers, superheaters and heat exchangers. The standard for this steel tube is set by ASTM

‌316 stainless steel seamless pipe‌ is a high alloy steel pipe with excellent corrosion resistance and mechanical properties, widely used in petroleum, chemical, pharmaceutical, food and other fields.

‌The main purpose of polishing surface treatment of 304 stainless steel plate is to improve its gloss, smoothness and corrosion resistance‌. Polishing treatment can not only significantly improve the

‌ASTM A790 is specifically for duplex stainless steel pipes. This type of stainless steel pipe typically contains about 22% chromium, 3% molybdenum, 5% to 6% nickel, and 0.15% to 0.25% nitrogen. Comm