... : ISO, SGS, BV,etc Seamless galvanized steel pipe din standard 1. Specification TypeSeamless galvanized steel pipe din standard Pipe Size1/2"—48" (DN15-1200 ... STP G42,STPT42,STB42,STS42,STPT49,STS49ApplicationLow and middle pressure fluid pipeline, boiler, petroleum and natural gas industry, drilling, ... request 7. Company Contact: Jesse. sales @ honrypipe.com Seamless galvanized steel pipe din standard