What're the materials of the brewery equipment?

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Whether it's home-brewed beer or professional craft brewery, craft beer is undergoing a renaissance. The real beer rice began to pay more focus on beer flavor, as opposed to exquisite advertising.

To get a specific flavor, professional and business winemakers spend their time and energy on the selection of raw materials. Use wet hops or dry hops? What sort of malt is employed for brewing?

In each one of these choices, some brewers will look at the brewery equipment as not so important. This is a very dangerous idea. This may not be extremely important with a brewers. But, the metal in brewing tanks, fermentation tanks, and other equipment might have a huge effect on flavor. Metals which can be difficult to sterilize increase the chance of bacteria in beer. Metals that react easily with wort add an embarrassing metallic taste. The best raw materials for brewery equipment should be easy to completely clean and not produce other odors.

Metal has gradually become the typical metal in the brewing industry due to the easy cleaning and excellent corrosion resistance. But it is not the sole option, the brewing equipment can be manufactured from copper and aluminum. Each metal has its characteristics and advantages. Even if the stainless steel is employed as a creation material, you will see many differences.

Copper

Before stainless steel entered the market, copper was the metal of preference for manufacturing brewery equipment. Copper has excellent thermal conductivity and can be a dependable metal for manufacturing brewery equipment. Obviously, it can be the easiest metal to manufacture, and you can choose to make your personal custom equipment. But, when the price of stainless steel becomes cheaper, the popularity of copper will drop sharply. At present, most brewery equipment will choose stainless steel since the production material.

Copper isn't completely inert to beer, but it will build a stable oxide layer under suitable conditions. Copper with an oxide layer will not bring the metallic taste to the beer (that is, prevent chemical reactions).

Copper can be easy to completely clean and maintain. You can use detergent or sodium percarbonate cleaner to completely clean regularly, which can ensure the cleanliness of the copper and the integrity of the oxide layer. But, excessive scrubbing is obviously detrimental to it. A wholesome oxide layer can give the copper a dreary and matte surface, and will not have a brilliant or shiny surface.

Also, more oxides aren't better. Copper produces a poisonous blue-green oxide, which is called patina. In the event that you see blue-green anywhere on the copper brewing equipment, you need to scrub thoroughly with vinegar or oxalic acid cleaner. Also, bleach and hydrogen peroxide will blacken the copper and can be struggling to prevent corrosion.

Aluminum

Aluminum can be converted to brewing tanks, but it will not be used to store beer for a lengthy time. The thermal conductivity of aluminum is half that of copper, but it surpasses stainless steel. Even though the thermal conductivity is worse than copper. But, aluminum also has important advantage-under normal brewing conditions, it will not be corroded by beer or add any metallic taste to the beer. If aluminum is subjected to other metals (including copper) for a long time, it will corrode, and short-term contact is acceptable. Under normal circumstances, brewers using aluminum brewery equipment will choose 3003 or 3004-grade aluminum due to their excellent corrosion resistance.

You can use cleaners which can be almost exactly like copper cleaners to completely clean aluminum. It is recommended to make use of odorless detergent or percarbonate cleaner. Bleach and other corrosive cleaning agents have now been eliminated. The inability to make use of corrosive cleaners on aluminum is a problem for professional brewers. Using milder detergents to accomplish more use inefficient tools, brewers need a quick and effective disinfection method.

stainless steel

The use of stainless steel to manufacture brewery equipment has become a standard in the beer industry, and most homebrewers dream of having a whole set of stainless steel brewery equipment. The stainless steel brewery equipment is straightforward to sterilize, inert to beer, corrosion-resistant, and durable.

4 things you might not learn about stainless steel brewery equipment:

Metal replaced the oldest brewing storage tank, wooden barrel

Metal tanks need less space than wooden barrels. Because high-pressure scrubbing and disinfection techniques may be used, stainless steel tanks are easier to completely clean and lower maintenance costs. Also, stainless steel tanks can be stated in bigger sizes than wooden barrels.

During beer brewing, stainless steel can prevent battery corrosion

First of all, we need to understand the corrosion of galvanized batteries. When two metals or one metal and contaminants (such as dirt) are extremely close in the electrolyte (such as beer), the existing will pass through the electrolyte to make a chemical battery with metal since the lead. Active metals will undoubtedly be ionized consequently, and the ions and oxygen will react together to create galvanized corrosion. The conductivity of stainless steel is below other metals used in brewing. Also, the corrosion-resistant layer of stainless steel can resist oxidation, thereby preventing galvanic corrosion throughout the brewing process.

A lot of the brewing equipment is made of stainless steel

Previously, copper was used to manufacturing from pipes to brewing equipment. Virtually all brewing equipment manufactured from stainless steel is used in brewing. Most of the time, 304 or 316 stainless steel will undoubtedly be selected for manufacturing. Because those two kinds of stainless steel have good corrosion resistance and perform well in daily brewing. 304 stainless steel is a cost-effective material. 306 stainless steel has better corrosion resistance and the cost will undoubtedly be higher. For parts that will not be exposed to extreme temperatures, 2205 stainless steel is a viable alternative.

Metal will not produce any odor throughout the brewing process

Because beer is acidic, it is corrosive in tanks and pipes. Also, beer might also contain living microorganisms that could cause corrosion and structure. So, metals are required to possess good corrosion resistance, and stainless steel is a wonderful choice. Metal has excellent corrosion resistance, it may stop the abnormal smell produced by corrosive electrochemical by-products throughout the brewing process.

Types of stainless steel

Metal is alloy steel with a brilliant, long-lasting silver finish. The chromium content of this alloy is 11-26%. Also, adding different proportions of nickel can improve toughness, and adding titanium can improve weldability. Currently, there are various types of stainless steel. A lot of them are magnetic tool steel, called 400 series stainless steel, but it is not suitable for brewing. The stainless steel type used to manufacture stainless steel fermentation tanks and brewing equipment could be the non-magnetic 300 series.

Obviously, there are various types of stainless steel in the 300 series. The most typical materials employed for brewing are 304 and 316 stainless steel. The most brewery equipment is made of these materials. This is because both 304 and 316 stainless steel have excellent corrosion resistance and are simple to weld. The materials used to make brewery equipment should avoid the use of other 300 series stainless steel, especially 303. 303 stainless steel has poor corrosion resistance and is a lot more challenging to weld.

Obtain a quotation for stainless steel brewery equipment

Micet Craft is a professional manufacturer of stainless steel brewery equipment. We can manufacture a variety of stainless steel equipment, such as stainless steel brewhouses and stainless steel fermentation tanks. If you intend to open your brewery, you can contact us. Micet Craft's engineers will give you the absolute most complete turnkey solution. Obviously, we can also customize design and manufacture according to your requirements. We can provide a growth arrange for your brewery. Micet Craft is looking forward to cooperating with you! Please visit: https://www.micetcraft.com/