... :DIN,JIS,ASTM,ASME,API Certification:API/ISO9000 10 inch sch100 jis standard steel pipe Type steel pipePipe Size1/2"—48" (DN15-1200)Wall ... ,STP G42,STPT42,STB42,STS42,STPT49,STS49ApplicationLow and middle pressure fluid pipeline, boiler, petroleum and natural gas industry, drilling, chemical industry ...