قیمت ارزان astm a269 فروش داغ
ASTM A269 tp304 vs ASTM A 269 tp316. ASTM A269 tp304 grade is designed with a chemical content containing 18% chromium and 8% nickel. The ASTM A 269 tp316 grade is made up of a chemical concentration of 16% chromium 10% nickel, with 2% molybdenum. The SS 316 grade has higher corrosion and pitting resistance when compared to …