Sastav inspekcija čelik cijevi

(1) GB3087-2008 "Seamless čelik cijev za nisko i srednje tlak kotlovi" propisa. The chemical composition test metode are in accordance with the relevant parts of GB222-84} and GB223 "Methods for Chemical Analysis of Iron and Steel and Alloys". (2) GB/T5310-2008} "Seamless steel pipe for high-pressure boiler" regulations. The chemical sastav test metoda is in accordance with the relevant parts of GB222-84 and "Methods for Chemical Analysis of Iron and Steel and Alloys" and GB223 "Methods for Chemical Analysis of Iron and Steel and Alloys". (3) The chemical Composition inspekcija of Imported Boiler Steel Pipes shall be carried out Accordance with the Relevant Standards stipulated in The The Contract.