Etiqueta: metallurgy

YB/T 4003-1997 — Standard Diagrams for Macrostructure and Defect in Continuous Casting Slab Standard Number: YB/T 4003-1997 Issued: August 4, 1997 Effective: December 1, 1997 Issuing Authority: Ministry of Metallurgical Industry, People’s Republic of China Original Title: 连铸钢板坯低倍组织缺陷评级图 1. Scope This standard specifies the test specimens used for macrostructure defect evaluation of continuously cast steel […]

GB 2971-82 – Method of Fracture Test for Carbon and Low Alloy Steels UDC: 669.14/.15 : 620.18 National Standard of the People’s Republic of China Promulgated: 1982-05-25 | Implemented: 1982-12-01 Scope This standard specifies the fracture test method applicable to carbon structural steels, low-alloy structural steel plates, bars, and sections. It may also be used […]