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YS/T 449-2002 Microstructure inspection method for copper and copper alloy castings and processed products
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This standard specifies the test samples and timely test reports for the microstructure inspection of copper and copper alloy cast
2025-01-10 category：Nonferrous Metal Industry Standard (YS)+ View
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YS/T 448-2002 Macrostructure inspection method for copper and copper alloy castings and processed products
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This standard specifies the sample preparation, sample etching, macroscopic structure inspection, macroscopic photography and test
2025-01-10 category：Nonferrous Metal Industry Standard (YS)+ View
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YS/T 101-2002 Energy consumption of copper smelting products
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This standard specifies the energy consumption level indicators and calculation methods for the main products of copper enterprise
2025-01-10 category：Nonferrous Metal Industry Standard (YS)+ View
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YS/T 339-2002 Tin Concentrate
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This standard specifies the requirements, test methods, inspection rules, packaging and transportation of tin concentrate. This st
2025-01-06 category：Nonferrous Metal Industry Standard (YS)+ View
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YS/T 457-2003 Cold-rolled strip for double zero aluminum foil
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This standard specifies the requirements, test methods, inspection rules, marking, packaging, transportation, storage and contract
2024-12-31 category：Nonferrous Metal Industry Standard (YS)+ View
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YS/T 458-2003 Welding wire for aluminum alloy extruded profiles for rail vehicle structures
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This standard specifies the requirements, test methods, inspection rules and markings, packaging, transportation, storage and cont
2024-12-31 category：Nonferrous Metal Industry Standard (YS)+ View
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YS/T 462-2003 Copper and copper alloy tube, rod and wire product defects
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This standard specifies the definition and characteristics of common defects in copper and copper alloy tubes, rods and wires, ana
2024-12-31 category：Nonferrous Metal Industry Standard (YS)+ View
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YS/T 463-2003 Copper and copper alloy sheets, strips and foils Product defects
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This standard specifies the definition and characteristics of common defects in copper and copper alloy strips and foils, analyzes
2024-12-31 category：Nonferrous Metal Industry Standard (YS)+ View
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