The appearance quality of welds on urban outdoor metal furniture is critical for both aesthetic appeal and long-term structural durability in harsh public environments. Key standards require welds to be continuous and uniform without abrupt irregularities. The surface should be smooth, free from excessive spatter, and have consistent reinforcement without significant undercutting which can create stress concentration points. Visual inspection should reveal no cracks, porosity, or slag inclusions that compromise corrosion resistance. Weld ripples must be even and finely spaced, transitioning smoothly into base metal without crater cracks. Finishing often involves grinding to achieve flush contours, particularly on seating surfaces and handrails, ensuring public safety and a clean visual line. These standards ensure furniture withstands weather exposure and constant public use while maintaining an attractive municipal appearance.
What are the appearance quality standards for the welds of urban outdoor metal furniture?
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