What is the loose flange material of enamel kettle?

Alloy steel According to the data of the looper of the enamel kettle, it is known that the loose flange of the enamel kettle is alloy steel. Ring flange enamel reactor tank mouth flange gasket alloy steel flange material: alloy steel. Compressive strength standard. Connection mode welding. Flexible rotation, stable quality and convenient use.