SS316L 在含氯环境下具有良好的抗点蚀能力，但它并不等于“零维护”。沿海盐分沉积、硬水水垢、清洁剂残留、铁污染以及长期不清洁，都可能影响产品表面状态。

SS316L offers strong resistance to localized corrosion in chloride-containing environments, but it is not a maintenance-free material. Coastal salt deposits, hard-water scale, cleaning-agent residues, iron contamination and insufficient cleaning can still affect the surface condition.

沿海环境与硬水是两个不同问题。白色水垢主要来自水中的钙、镁硬度以及水滴蒸发后的矿物沉积。

Coastal exposure and hard water are two different issues. White limescale is mainly caused by calcium and magnesium hardness and the mineral residue left after water evaporates.

在没有软水系统、供水硬度较高的酒店，龙头出水口、起泡器、花洒喷嘴、台盆龙头底座等位置更容易出现白色矿物沉积。

In hotels without a water-softening system, especially where water hardness is high, white mineral deposits are more likely around faucet outlets, aerators, shower nozzles and faucet bases.

海盐颗粒可以沉积在产品表面。长期高湿环境下，氯化物沉积会吸湿并提高局部腐蚀风险，因此沿海项目必须建立固定清洁制度。

Sea-salt particles can settle on product surfaces. In persistently humid environments, chloride deposits can retain moisture and increase localized corrosion risk. Coastal projects therefore require a regular cleaning routine.

优先使用清水、温和中性清洁剂和超细纤维布，并沿拉丝方向清洁。

Use clean water, mild neutral detergent and a microfiber cloth, always wiping along the brushing direction.

轻微机械划痕存在专业重新拉丝恢复的可能，但深划痕、凹坑或严重点蚀不保证能够无痕修复。

Minor mechanical scratches may be professionally re-brushed, but deep scratches, dents or severe pitting cannot be assumed to be fully repairable.

AF的主要价值是防指纹、易清洁和改善日常表面体验。

The main value of AF is fingerprint resistance, easier cleaning and a better day-to-day surface experience.

应避免强酸、强碱、高氯清洁剂及高磨耗擦拭，以免降低AF效果。

Avoid strong acids, strong alkalis, chloride-rich cleaners and aggressive abrasion, as these may reduce AF performance.

PVD用于提供黑色、枪灰、金色、古铜等设计颜色；AF改善防指纹和易清洁体验。

PVD provides design colors such as black, gunmetal, gold and bronze, while AF improves fingerprint resistance and ease of cleaning.

PVD表面维护应更保守，只使用确认兼容的清洁剂；深划伤后的现场修复能力通常弱于Natural Brushed 316L。

PVD finishes require more conservative maintenance using confirmed compatible cleaners. On-site repairability after deep scratching is generally lower than for Natural Brushed 316L.

工程补货应保存颜色标准样，并关注不同PVD生产批次的色差控制。

For project replenishment, retain approved color reference samples and manage batch-to-batch PVD color variation.

YUSON沿海316L方案强调：主体316L、关键隐藏固定件316L、拉丝表面控制、焊接和加工污染控制、必要的酸洗/钝化、AF可选，以及完整维护指引。

YUSON's coastal SS316L approach focuses on SS316L for both main bodies and key concealed fixing parts, controlled brushing, contamination control during welding and machining, appropriate pickling/passivation where required, optional AF, and a complete maintenance guideline.