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Tianjin Helon International Trading Co.,Ltd

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Component Inspection Of Steel Pipe
Jul 03, 2017

(1) GB3087-2008 specification for seamless steel tubes for low and medium pressure boilers. Test methods for chemical composition are in accordance with the relevant parts of GB222-84 and GB223 "methods for chemical analysis of iron and steel alloys".

(2) GB/T5310-2008 regulations for seamless steel tubes for high pressure boilers. Test methods for chemical composition are in accordance with the relevant parts of GB222-84 and chemical analysis of iron and steel and GB223 "methods for chemical analysis of iron and steel alloys".

(3) the chemical composition test of imported boiler steel pipe shall be carried out according to the relevant standards stipulated in the contract.