... 17175 Certificate:ISO 9001, SGS, BV, etc. Steel Pipe for Boiler with JIS Standard1.Specification Type Seamless PipePipe Size1/ ... smelting, aviation, power, foodstuff, papermaking, chemical, medical equipment, boiler heat, exchanger, gas metallurgy, Surface Black painting, varnish,FBE ... , 3PE,etc.PackagePlastic caps on both ends, Steel bundle,Woven bagOr on customers' requestCertificateISO9001,SGS,BV, ...