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Packaging steel strip manufacturer: hot tin plating steel band introduction to the structural components

by:Hongmei     2020-03-26
Packaging steel strip manufacturer: the structure of the elements of tin plating steel profile hot tin plating steel strip made from high quality carbon structural steel and ordinary carbon steel, mainly used for outer shield coaxial cable. Shielding with hot tin plating steel with soft, soft two kinds. According to the steel belt number, specifications and sizes such as GB/T 1838 & ndash; The provisions of the 1995. Coating with tin tin should be 2. According to the steel band every 100 cm ( Double sided) Or 200 cm? ( The single side) Surface tin plating, tin plating steel belt is divided into four classes, amount of tin plating per level shall comply with the provisions of the relevant standards. Tin plating steel strip surface should be smooth, no cracks, broken edge, burr, layered, scale layer, pitting, ruffled, oil stains, oil film thickness, wide strip flow accumulation of tin and clustering, steel strip, allowing a slight thick tin, tin, tin scar, article tin, tin, pits, solvent spots, dark red, ribbed, roll marks, corrugated, bubbles, scratches, folding, steel belt points, etc. Porosity of tin layer point of A and B grade each 1 cm2 should not more than 4, C and D should be not more than six. 12 - 18 tin plating steel strip in jaw radius of 1. 5 mm 90 & deg repeatedly repeated bending test machine; Bending of mild steel with repeated bending eight times, mild steel with repeated bending 6 times, on the tin plating layer and base steel should not crack.
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