What is sanitary stainless steel pipe?
E. Purchase of sanitary seamless stainless steel pipe
Stainless steel contains less 50% iron and 10.5% chromium, and also adds such as nickel, titanium, molybdenum, etc. Depending on the composition of school leave, the metallographic structure inside the metal is also different. Body type, austenite type, duplex, precipitation hardening stainless steel, etc. Sanitary seamless stainless steel pipes are also available in different materials.
There are many austenitic stainless steels commonly used in general industry; 0Cr19Ni9 (USU304), 00Cr19Ni11 (USU 304L), 0Cr17Ni12Mo2 (USU 316), 00Cr17Ni14Mo2 (USU 316L), 1Cr18Ni9Ti (SUS 321), etc. To meet the standard of GB / T14976-94 "Stainless steel seamless steel pipe for fluid transportation", there are also requirements for the smoothness of the inner and outer surface of the steel pipe.
The choice of sanitary seamless stainless steel pipes is related to the type, concentration, temperature, pressure, flow speed, and other factors of the fluid medium.
