... ,STPT42,STB42,STS42,STPT49,STS49Applicationpetroleum, construction ,shipbuilding,smelting, aviation, power, foodstuff, papermaking, chemical, medical equipment, boiler heat, exchanger, gas metallurgy, Surface ... transportationwoven bag as per customers request6. CompanyHebei Honry Steel Pipe Co.,LtdContact: sales@ honrypipe.com 32mm Galvanized Pipe