亜鉛メッキ鋼管

1. What are galvanized pipes?
Galvanized pipes are steel pipes that have been dipped in a protective zinc coating to prevent corrosion and rust. Galvanized piping was commonly installed in homes built before 1960. When it was invented, galvanized pipe was an alternative to lead pipe for water supply lines. Today, however, we have learned that decades of exposure to water will cause galvanized pipes to corrode and rust on the inside.

 

2. Galvanized seamless pipe is divided into cold-plated steel seamless pipe and hot dip seamless pipe.

ホットディップシームレスパイプ

両方の基板およびコーティングの組合せようにシームレスパイプは、溶融金属と鉄基質反応を行うために合金層です。 溶融亜鉛めっき鉄、酸化、酸洗い、塩化アンモニウム又は塩化亜鉛又は塩化アンモニウム及び塩化亜鉛の混合水溶液タンク洗浄水溶液の鋼管表面を削除し、ホットに送信するために、最初の鋼酸洗いであります浸漬タンク。 溶融亜鉛めっきコーティングの均一性、強力な接着、および長寿命。

コールドメッキシームレスパイプ

、電気亜鉛メッキ、コールド亜鉛メッキは、差の小さな、唯一の10〜50グラム/平方メートル腐食への独自の抵抗の溶融亜鉛めっきパイプよりも多くの量を亜鉛メッキ。 定期的な亜鉛メッキパイプメーカーは、品質を確保するためには、ほとんどが電気亜鉛めっき（コールドメッキ）を使用しないでください。 のみが小規模、電気亜鉛メッキと旧式設備や中小企業は、当然のことながら、その価格は比較的安価です。 建設省は、正式には以下の後方技術を排除するために冷たい亜鉛メッキパイプを持ち、将来は水、ガス管、冷亜鉛メッキパイプに許可されません。

 

3. Galvanized seamless mechanical properties

鋼の機械的性質は、鋼最終用途特性（機械的特性）の重要な指標は、それは鋼の化学組成および熱処理に依存することを保証することです。 スチール規格、異なる要件に応じて、引張特性の規定（引張強度、降伏強度または降伏点伸び）および硬度、靭性、ユーザの要件、高温および低温性能。

 

4. How long do galvanized pipes last?
No piping system lasts forever, but galvanized pipes have a life span of between 40 to 100 years. If your home’s pipes are from the 1960s or earlier, they are likely nearing the end of their functional life span. However, there’s a reason galvanized pipes are no longer used in modern construction: the risk they pose to a home’s water supply and people’s health.

 

5. Are there safety risks or concerns with galvanized piping?
By far, the most significant problem related to galvanized pipes is the mineral deposits that accumulate within the piping. Over time, it causes a reduction in water pressure and pollutes your home’s water. And as rust and corrosion deepen, they compromise the piping system’s stability and cause leaks.

As old and corroded galvanized pipes age, they can release accumulated lead into your tap water. That lead can pose significant health concerns, as ingesting too much can result in lead poisoning, and its symptoms include fatigue, headaches, insomnia, nausea, constipation, abdominal pain, and reduced cognitive abilities. High doses of lead are of particular concern with children, as it can hinder their brain development and lead to lifelong health issues.