I would like to ask what is the standard gasket and gasket in general what material?
Stainless steel, there are A2 (304) or A4 (316) material or something
Carbon steel, if there are 45 steel, 65 manganese, that is, medium carbon steel, low carbon steel.
Less dosage, the metal with Q235, rubber with XB200, are very common. If the amount is large, according to the situation to choose the most economical
