镀锌钢管生产工艺中，为保证产品质量，防止运输过程中产品生锈，需对钢管进行表面喷漆保护处理。
The pipe shall be protected with surface paint to prevent pipe rust during transportation for ensuring the quality of pipe during galvanized pipe production process.
使用寿命。轻钢结构均进行过镀锌、喷漆等防腐处理，正常使用寿命可达10年以上。
Service life. The normal service life of up to 10 years, Light steel structure has been galvanized, painting and other anti-corrosion treatment, .
加工材料为热轧（喷漆），镀锌。
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