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In fcaw process in stainless steel weld lof occuswhy?
IN SAW WHY SLAG OCCURS?
What is Portland slag cement and slag cement?
Portland slag cement is a type of blended cement that combines Portland cement with ground granulated blast-furnace slag (GGBS), a byproduct of steel production. This mixture enhances the durability, strength, and resistance to sulfate attack of concrete while reducing the environmental impact of cement production. Slag cement, on the other hand, refers specifically to the use of GGBS as a partial replacement for Portland cement in concrete, contributing to improved performance in various applications. Both types of cement are used in construction to create more sustainable and resilient structures.
What is the use of Slag?
when slag has cooled it is used for cement, heat insulation and road making
How does Portland cement differ chemically from other cement?
I assume you are contrasting portland cement with fly ash to portland cement with powdered slag? (Fly ash is from coal furnaces, powdered slag is from oil-burning furnaces). Slag is very similar to portland cement, and can be used to cheaply replace up to 50% of portland cement in concrete. This is less expensive, and the slag makes the hardened concrete more resistant to de-icers. Fly ash is not similar to portland cement, but is also good to resist de-icers. But since fly ash is not similar to portland cement, only 20 to 30% of portland cement can be replaced by it. The main difference in chemistry are the amounts of oxygen-containing elements. (Called 'oxides'). For example, portland cement has 65% of C2O, Slag cement has 45%, and Fly ash contains 25% For SiO2 portland cement 20%, Slag cement 33%, and Fly ash 37% For Al2O3 portland cement 4%, Slag cement 10%, Fly ash 16%. There are other very minor differences in chemistry.
Does slag cement impart a bright greenish hue to the concrete test samples?
yes because you are a slag
Is slag a cementitious material?
Yes, slag can be considered a cementitious material. Specifically, granulated blast furnace slag, a byproduct of steel production, is often used as a supplementary cementitious material in concrete. It can enhance the durability and strength of concrete when blended with Portland cement, contributing to improved performance and sustainability in construction.
What types of iron is there?
pig iron, wrought iron and cast iron. These are broad classifications used commercially, they can be subclassified. Chemically we say that its pure or impure, contains sulphur/phosphorous/impurities(slag, etc.)/carbon in so and so % range
How much does 1 cubic yard of steel slag weigh?
On average, 1 cubic yard of steel slag weighs around 2,700 to 3,000 pounds, depending on the specific composition and density of the slag.
Can the slag on a blast furnace be used in concrete or cement?
Slag from a blast furnace is usually ground down and used as a cement substitute as it is re-use of a waste product - it is not used on its own in concrete as the chemical reaction will not produce the same strength as proper cement.
What is bad slag in steel metallurgy?
Bad slag in steel metallurgy refers to undesirable impurities or non-metallic inclusions present in the steel. These impurities can negatively affect the mechanical properties of the steel, such as reducing its strength, toughness, or ductility. Managing slag content is crucial in steel production to ensure high-quality end products.
What is specific gravity of slag cement?
The specific gravity of slag cement typically ranges from 2.8 to 2.9. This value may vary slightly depending on the composition and properties of the slag being used, as well as other factors such as particle size distribution and processing methods.
What are advantages of using blast furnace slag in making cement?
she does not stick around for breakfast!
