This part of SN/T 2412.4 specifies the general requirements for sample preparation for inspection of imported and exported steel products. This part is applicable to the preparation of samples required for physical and chemical property testing of imported and exported steel products (including plates, rods (wires), profiles, pipes, etc.).
SN/T 2412.4-2010 Referenced Document
GB/T 228 Metallic materials--Tensile testing at ambient temperature
GB/T 3655 Methods of measurement of the magnetic properties of electrical steel strip and sheet by means of an epstein frame*, 2022-10-12 Update
SN/T 2412.4-2010 history
2010SN/T 2412.4-2010 General rules for the inspection of import & export steel products-Part 4: Requirement for sample preparation