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Steel processing services in Kolkata - BMW Industries Ltd
BMWIL offers complete steel processing services in Kolkata, handling HR, CR, and galvanized materials tailored to industry-specific needs. Visit our website https://www.bmwil.co.in/ to know more!
Steel Processing Facility in Jamshedpur - BMW Industries Ltd
BMW Industries Ltd operates a cutting-edge steel processing facility in Jamshedpur, delivering precision-engineered steel products with unmatched quality. Our advanced technology ensures timely and reliable service to meet your industrial needs. Visit our website https://www.bmwil.co.in/ now!
Steel Processing Services in Jamshedpur - BMW Industries Ltd
BMWIL, providing the leading steel processing services in Jamshedpur with advanced technology and unmatched expertise. Trust BMWIL for excellence and reliability in steel processing solutions. Connect with us at https://www.bmwil.co.in/
CRCA: Advantages & Disadvantages
CRCA steel means Cold Rolled Close Annealed steel. The steel is hot rolled and pickled and then passed through the cold roll to reduce the thickness of the steel. Here is how CRCA steel is made and applications of CRCA steel.
The steel is rolled below its recrystallization Temperature to make it get a variety of properties like being easily formability, a smooth and clean surface. CRCA steel is necessary to manufacture sheets below 1.6mm of thickness, the Hot rolled and pickled steel have impurities and irregularities. Here are few advantages and disadvantages of CRCA.
Advantages:
§ Precise and Accurate Dimensional Tolerances
§ Robust surface finish
§ Improved mechanical & physical properties
§ Improved draw-ability
Disadvantages:
§ Less Corrosion Resistant
§ Sensitive to the Moisture content
CRCA is used for projects where precision is required, it is used for making home applications or metal furniture. It is also commonly used in building steel sheds or garages. CRCA is better because it is harder and its finishes are much better than Hot rolled steel. The precision is better because the steel is not exposed to heat. CRCA application are wide ranged.
CRCA sheets are also classified according to the percentage of Carbon content and how easily can it be drawn. The more carbon content is less , the more easily it can be drawn into shape. Below are the 4 types of CRCA steels used in the industry:
· Ordinary (Carbon Content- 15%)
· Drawing (Carbon Content -12%)
· Deep Drawing (Carbon Content - 10%)
· Extra Deep Drawing (Carbon Content - .08%)
CRCA is better because in Hot rolled steel the metal properties are altered, the metal goes through a lot of different stages making it hard to work with. At JSWMI steel processing center. CRCA is available in a wide range of thickness, width up to 1870mm and high tensile strengths for various applications in coil / slit, sheet and trap form.
Steel slitting is a technique used to cut metal coil into narrower pieces. Steel slitting is done when tight tolerance is required, the process can be used for both steel sheets and coil roll. Stee…
Process of steel slitting
Steel slitting is a technique used to cut metal coil into narrower pieces. Steel slitting is done when tight tolerance is required, the process can be used for both steel sheets and coil roll.
Steel slitting process can be restricted to cutting extremely thin material (0.001 to 0.125in), it can be used in both ferrous and nonferrous metals. Steel slitting is basically done by sending steel sheets or coil rolls through two blades.
The positioning of knives can be varied according to the requirements, at JSWMI we have a spare slitter for offline setup making further process fast and precise. Steel slitting process basically consists of three parts uncoiler, slitter and recoiler. The coiled material is first run through the uncoiler making it straight then is sent through sharp circular blades. There are two blades placed one below and one above the steel, these blades have to be placed as to apply substantial compressive forces, these forces should exceed the tensile strength of the steel to slice through it. These blades are placed precisely according to client’s requirement.
Steel slitting can have many benefits like tight tolerance, keeping product consistency and it reduces the metal scraps. It is also convenient to order pre-cut steel for the work because it saves the metal wastage from trim cutting. Pre-cut slit steel also ensures precision making the products.
At JSW we have two plants where slitting takes place, one at Pune other at Palwal.
Pune: 0.6-6.5mm* 1870mm width (TS up to 1180mm)
Palwal: 0.25-3.2mm* 1870mm width (TS up to 980mm)
We have a large capacity at both of the plants, 180,000 MT/year and
120,000 MT/ year at Pune and Palwal respectively.
We at JSW are your one stop destination for steel slitting. We are a fully functional steel processing centre. We also offer other services such as cut to length and packing.
Electrical steel and it’s applications
Electrical steel is an alloy made to produce specific magnetic properties. When the regular steel is magnetized it absorbs energy, this steel is especially designed to reduce this power loss. Electrical steel is preferred in many situations over regular steel. There are two types of electrical steel:
Grain orientated electrical steel:
Steel when alloyed with iron and silicon is called grain orientated electrical steel(GOES). This steel is developed to have low core loss and high permeability. This is grain orientated material is made overall magnetic flux is increased by 30% in the direction the material is rolled. This also reduces magnetic saturation.
GOES is mostly used in high efficiency transformers, generators and motors.
Non-orientated fully processed electrical steel:
This electrical steel has uniform magnetic flux in all directions. It has lower silicon percentage in the alloy, this provides the steel with magnetic permeability and thermal conductivity. It has better performance because of it’s properties of high frequency and low losses.
This type of electric steel is used in magnetic circuits in motors, transformers, electric system housing. This steel has difficulty in punch ability as it is fully processed. Extra organic coating is added to use as lubricant in punch process.
Non-orientated semi processed electric steel:
Non-orientated semi processed electric steel have a major difference that it has no silicon alloy. This steel is annealed at low temperature after final cold rolling. Although while using the user has to stress-relief anneal to the steel varying on the application. The organic coatings done to the fully processed electrical steel is not required as punch ability in semi processed steel is much higher.
This steel is used in small rotors, stators and small power transformers.
Electric steel has advanced magnetic properties and are very commonly used in the following systems.
1) Rotating machines:
Electrical vehicle driving motors, Hermetic motors, Alternating current (AC) motors , Intermittent service motors
Static machines:
Power and distribution transformers, Reactors and magnetic amplifiers, Welding transformers, Audio transformers, Current transformers, Magnetic switches and relays, Electrical ballast.
Here are few advantages of electric steel:
It’s cost is very low compared to others. It also reduces the cost of many other processes like lamination. It also give low power loss per cycle, low core loss and high permeability compared to regular steel.
Motors and motor parts prefer electric steel because of it’s magnetic properties. Electric steel reduces torque and energy consumption. Electric steel is safe and reliable that is a very preferred choice.
Electric steel is available in wide range of grades. Coils or sheets are made available according to the applications of electric steel. At JSWMI we are one of the best steel processing center and produce electric steel.
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