• Welcome to STK

    Founded in 1987, STK has attained 124 patents during the production of crushers & mills over the past 30 years. 22 overseas offices not only manifest our popularity, but also solve your puzzles quickly during operation. So if you are looking for crushers or mills, STK deserves your attention!

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  • 600,000 m2 of Production Bases

    By 2016, STK has built 6 world-class manufacture bases, which cover a total area of over 600,000m2, and accomplished an annual production value of RMB 5 billion.

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Electrical enclosure material types & recommendations

Stainless Steel Enclosures. Stainless steel is a steel alloy that contains a quantity of chromium and nickel that makes it virtually impervious to corrosion and staining. There are several grades of stainless steel, the most common being 304 (containing 18% chromium and 8% nickel) and 316 (16% chromium, 10% nickel and 2% molybdenum).

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What Is a Steel Casting? Casting Process

• high alloy stainless steel used in corrosion and heat resistant ... producing a steel casting Casting Process The manufacture of steel castings is discussed in this handbook, however, a simplified flow diagram (Figures 1-1 and 1-2) is shown ... Several types of melting furnaces are used in the production of steel castings.

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7 Things to Consider When Choosing a Stainless Steel Grade ...

Aug 22, 2016· Stainless steel, known primarily for its corrosion resistance, is used in a wide variety of applications.The diverse range of grades allows it to accommodate various applications across many different industries. However, having so many grades requires the …

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What are types of pipes used in oil and gas industries ...

May 07, 2019· Steel, Copper are commonly used, PVC & PE pipes are used that are buried in the ground outside the building. Pipelines used in the oil and gas industry are different, depending on various factors, like - ‘product' to be transported, the delivery s...

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Copper Stills vs. Stainless Steel Stills – Clawhammer Supply

Oct 19, 2015· Copper Stills vs. Stainless Steel Stills. Copper or stainless? That is the question. It's answered here! If your gut feeling is that there is a clear winner, think again. Each material type presents its own set of trade-offs. The bottom line is that copper is better for some things and stainless …

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How is Steel Produced? | World Coal Association

Global steel production is dependent on coal. Over 71% of the steel produced today uses coal. Metallurgical coal – or coking coal – is a vital ingredient in the steel making process. World crude steel production was 1.6 billion tonnes in 2017.

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Iron and Steel—Properties and Applications

There are several types of nl s steel—here we deal only with the simplest: a. Ferritic stainless steels are BCC and contain 17% or more chromium, which causes them to be corrosion resistant (but never corrosion proof). Ferritic stainless is used for industrial applications and less

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The Only Types of Cookware You Should Use | Reader's Digest

Stainless steel. Africa Studio/Shutterstock. If you’re going to use stainless steel cookware, be sure to treat it well.This variety is a mix of various metals such as nickel and chromium, which ...

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Chromite - Wikipedia

Chromite today is mined particularly to make stainless steel through the production of ferrochrome (FeCr), which is an iron-chromium alloy. Chromite grains are commonly found in large mafic igneous intrusions such as the Bushveld in South Africa and Travancore in India.

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Types of Steel for Blacksmithing - YouTube

Nov 13, 2013· This is a short video on the 3 main groups of steel and their uses. Mild steel, spring steel, and tool/alloy steel. For more information, custom orders, or q...

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304 vs 316 Stainless Steel - The Pros and Cons | Arthur Harris

Jul 28, 2017· The Pros and Cons of 304 vs 316 Stainless Steel. Posted July 28, 2017 by Arthur Harris & filed under Company News. Did you know that 304 and 316 are the most popular and widely used types of stainless steel?

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Metallurgy of Mo in Stainless Steel

Fig 2: Adding 8% nickel to a ferritic chromium stainless steel makes an austenitic chromium-nickel stainless steel, for example Type 304 stainless steel. If less nickel is added to a chromium steel, about four or five percent, a duplex structure, a mixture of austenite and ferrite, is created as in 2205 duplex stainless steel.

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Nickel for Stainless Steel - Vale

The nickel that we use for stainless steel is produced at our sites in Brazil, Japan, Taiwan, South Korea and China. We maintain a worldwide sales and distribution network and provide clients with technical support to fit their needs. The following products are designed for stainless steel production:

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Chimney - Wikipedia

Stainless steel is made in several types and thicknesses. Type 304 is used with firewood, wood pellet fuel, and non-condensing oil appliances, types 316 and 321 with coal, and type AL 29-4C is used with non-condensing gas appliances. Stainless steel liners must have a cap and be insulated if they service solid fuel appliances, but following the ...

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Different Steel Types and Properties

Jan 27, 2019· Austenitic steels form the largest portion of the global stainless steel market and are often used in food processing equipment, kitchen utensils, and piping. Ferritic: Ferritic steels contain trace amounts of nickel, 12-17% chromium, less than 0.1% carbon, along with other alloying elements, such as molybdenum, aluminum or titanium.

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How stainless steel is made - material, manufacture, used ...

Stainless steel is an iron-containing alloy—a substance made up of two or more chemical elements—used in a wide range of applications. It has excellent resistance to stain or rust due to its chromium content, usually from 12 to 20 percent of the alloy. There are more than 57 stainless steels ...

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Stainless Steel Information Knowledge | 18-8 | 304 | 316 ...

The following is a discussion of the various types of stainless steel. For other terms and their definitions you will encounter when dealing with stainless steel click here. 18-8: 300 series stainless steel having approximately (not exactly) 18% chromium and 8% nickel. The term "18-8" is used interchangeably to characterize fittings made of 302 ...

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Stainless Steel Used for Many Mining Applications

Apr 13, 2015· Stainless steel is versatile and can be used for a lot of different applications. It is used for mining screens, fluidised bed boilers, pumps, heat exchangers, vessels, pipes, tanks, structural components and cathode plates. Stainless steel also makes great workbenches. Stainless steel is known for being easy to clean because of its smooth ...

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Standard Metal Numbers: Grades, Classifications ...

Stainless Steel Codes and Groups Austenitic Stainless Steel. Most welding applications use austenitic stainless steel. Types include chromium nickel steel where chromium is >17% and >7% nickel (there are exceptions to this rule.) *Values that are single indicates the maximum % unless it is stated differently. Unless notes, other elements of all ...

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Water Requirements of the Iron and Steel Industry

the wide variety of products of integrated steel plants and steel processing plants, waiter use by these plants is reported in gallons per ton of ingot steel. In iron ore concentration plants, water use is referred to both raw and concentrated ore. HOW WATER IS USED Most of the water used in the iron and steel industry is used for cooling, to ...

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Industrial Woven Wire Mesh - TWP Inc.

Industrial Woven Wire Mesh. Wire mesh is an incredibly versatile product that can be used in countless ways and by countless industries. Industries include electronics, mining, industrial manufacturing, battery manufacturing, automotive manufacturing, food and beverage, pulp and paper, petrochemical processing, pharmaceutical manufacturing, construction and building, mining, and more.

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Properties & Uses of Steel | Sciencing

Apr 26, 2018· After its invention, steel steadily spread across the world, reaching most cultures and finding a variety of uses. Early uses of steel included weaponry, as steel held its shape and edge better than pure iron. Since then, it has found use across industries. Tools like hammers and screwdrivers contain steel, as do many of the things these tools ...

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Chromium--Makes Stainless Steel Stainless

it is used for more than the production of stainless steel and nonferrous alloys; it is also used to create pigments and chemicals used to process leather. Chromite, the only ore of chromium, was first discovered in the United States sometime about 1808 on the …

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Type 304 and 304L Stainless Steel Explained

Jan 25, 2019· Type 304 is the most widely used austenitic (non-magnetic) stainless steel. It is also known as "18/8" stainless steel because of its composition, which includes 18 percent chromium and 8 percent nickel. Type 304 stainless steel has good forming and welding properties as well as strong corrosion resistance and strength.

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DESIGN GUIDELINES FOR THE SELECTION AND USE OF …

Stainless steels are iron-base alloys containing 10.5% or more chro-mium. They have been used for many industrial, architectural, chemical, and consumer applications for over a half century. Currently there are being marketed a number of stainless steels originally recognized by the American Iron and Steel Institute (AISI) as standard alloys.

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Stainless steel grade chart - Atlas Steels

Stainless steel grade chart ATLAS STEELS – SPECIALTY STEELS PRODUCT REFERENCE MANUAL ... ASTM standard and product use Austenitic stainless steels A167 A240 A666 sheet, coil, strip, plate A312 A358 A409 pipe A213 A249 A269 A554 tube A403 ... Precipitation hardening steel Ferritic stainless steels Ferritic/Austenitic (Duplex) stainless steels ...

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Plating on Stainless Steel | Stainless Steel Plating ...

More ductile types of steel are used for items that need to be molded such as sinks and saucepans, while less ductile steel is used to make knife blades. The medical field: Stainless steel is easily sterilized, making it ideal for use in the medical field .

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What is Passivation? How Does Stainless Passivation Work?

What is passivation, and how does it work? How do I passivate stainless steel parts after machining operations? These are common questions asked by machining shops and manufacturers of various part materials: stainless steel, titanium, tantalum and more.

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What are the Different Types of Stainless Steel? We Explain

Many different types of stainless steel grades are used in foodservice establishments, and each type has its own pros and cons. To make an informed decision when purchasing food grade stainless steel equipment, you should understand the major elements in the alloy, the different grading systems, and the main types of stainless steel.

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Iron and steel - Introduction to their science, properties ...

Sep 15, 2019· Stainless steels. The steel you probably see most often is stainless steel—used in cutlery, scissors, and medical instruments. Stainless steels contain a high proportion of chromium and nickel, are very resistant to corrosion and other chemical reactions, and are easy to clean, polish, and sterilize. They're corrosion-proof because ...

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Types of Kitchen Sinks • Read This Before You Buy

For the first-time sink shopper, the huge assortment of materials can make buying the right sink more difficult than it needs to be. This section discusses the various materials used to make kitchen sinks. Stainless Steel Kitchen Sinks. Stainless steel sinks are among the most popular on the market.

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Stainless Steel & Aluminum: Why You Shouldn't Use Them ...

In order to understand why you shouldn’t use stainless steel and aluminum together, we first need to understand how galvanic corrosion works. Galvanic corrosion is the transfer of electrons from one material (anode) to … Continue reading Stainless Steel & Aluminum: Why You Shouldn’t Use Them Together and Proper Precautions To Take If You Do

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Glossary of Terms/ Definitions Commonly Used in Iron ...

The term is used to designate various types of solid steel products, which are sold to outside customers for further processing or for direct use/consumption. ... STAINLESS STEEL: ... Beneficiation of Ore: Very low grade Iron ore cannot be used in metallurgical plants and needs to be upgraded to increase the iron content and reduce the Gauge ...

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