Stainless steel SUS 304 conforms to a working pressure of 10 kgf/cm2 in saturated steam. These fittings have high corrosion and thermal resistance and are mainly used in the petroleum refinery, petrochemical, thermal and nuclear power industries. They are all threaded for use in general service lines. The threads for these fittings are Taper Pipe Thread Standards (JIS B 0203) compliant with ISO 7/1 standards. Other types of fittings, and sizes larger than those listed below are also available upon request.