... in accordance with this standard GB/T18813-2002 standards, and provides the requirements for transformer copper, testing ... , inspection rules, marking, packaging, transportation, storage and contract content. This standard applies to copper wound transformer ... coil. Table 1 strip grades, status, and specificationsTrademarkSupply StatusSpecificationsThicknessWidthTU1,T2M0.10~0.50≤6000.50 ...