The commonly used materials for standard flanges include the following:
Carbon Steel:
Such as A105 (forged parts), A350 LF2 (for low temperature applications), A694 (for high pressure applications), etc.
Low cost, suitable for general working conditions.
Stainless Steel:
Such as ASTM A182 F304/F316 (austenitic stainless steel), F51/F53 (duplex stainless steel), etc.
It has strong corrosion resistance and is suitable for use in chemical, food, and other industries.
Alloy Steel:
Such as A182 F11/F22 (chromium-molybdenum steel), suitable for high temperature and high pressure environments.
It is commonly used in the oil, natural gas, and power industries.
Cast Iron:
Such as ASTM A126 (gray cast iron) or A395 (ductile iron).
Suitable for low-voltage, non-critical applications.
Nickel Alloys:
Such as Inconel, Hastelloy, etc., which are used in extreme corrosion or high temperature environments.
Copper Alloys:
Such as brass and bronze, used for the transportation of special fluids.
When selecting materials, it is necessary to consider the characteristics of the medium (corrosivity, temperature, pressure), cost, and industry standards.
