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The steel can be coated with differing thicknesses of tin, and even different thicknesses on the two faces (differential coatings) may be produced to cater for varying conditions at the internal and external surfaces of a container.
Tinplate Reference Chart - Reynolds Services, Inc. (RSI) To download a printer-friendly PDF version of the Tinplate reference chart click here. HARDNESS RANGES. (Based on ASTM A623) TIN COATING WEIGHTS. (Based on ASTM A624) DECIMAL EQUIVALENTS. THICKNESS CONVERSION.
focus on developing stronger, more ductile and formable steel grades to further increase the efficiency of canmaking. These steel grades combine the formability requirements of canmaking with the strength required of the final pack in beer and beverage and food applications.
18 Αυγ 2019 · Tin plate was customarily supplied in 14 inch by 20 inch sheets, in boxes of 112 sheets. The thinnest sheets, called “taggers,” came in two thicknesses, 34 (150 sheets in a box) and 38 (225 sheets in a box).
Deviations in coating weights are possible in the range 1.00 to 11.20 g/m² (0.100 bis 1.000 lb/bb). One-side in coatings possible in the range 0.50 to 5.60 g/m². Marking for differential coatings in accordance with European standard/SEFEL, alternative markings by arrangement.
3.1.32 tin coating weight, n—the weight of tin applied to the steel surface, usually stated as grams per square metre distrib- uted evenly over both surfaces.
Dimensional tolerances 1. Thickness The thickness tolerance is –4% + 5% measured with a calibrated micrometer (0.01mm accuracy) at least 10mm from the trimmed edge. 2. Feather edge The difference in thickness, between the centre of a sheet and a position 10mm from the trimmed sheet edge, will not exceed 8% of the sheet centre thickness. 3. Width
