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General urban road monitoring poles are made according to 6 meters in height and 1 meter in the horizontal arm, and community monitoring poles are conventionally manufactured in accordance with the height of 3-4 meters and the arm length of 0.8 meters.
It complies with the current national standards and has certification documents. Carbon steel uses E43 type electrode. The quality of the electrode should meet the requirements of the new national standard **. Never use a welding rod with detached coating, rusted or wet core, and rusted welding wire. The welding size meets the design requirements. The welding wave on the metal surface of the weld is uniform. It must not affect the strength of cracks, slag inclusions, welds, burn-through, undissolved, arc pits and needle-like pores, and there are no defects such as wrinkles and interruptions. The depth of the meat bite in the weld zone shall not exceed 0.5mm, and the cumulative total length shall not exceed 10% of the total length of the weld. The width of the weld is less than 20mm, and the remaining height of the fillet is 1.5mm ~ 2.5mm. The fillet height of the fillet should be 6mm ~ 8mm. The size of the fillet must not be less than the design size.