Principle of As-300 Hall Flowmeter

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    Principle of As-300 Hall Flowmeter Hall Flow Rate of 50 g metal powders AS-300 Hall Flowmeter Funnel determines flow rate by measuring the time taken by 50 gram of a metal powder to flow through a calibrated hall flowmeter funnel/orifice of standardized dimensions(0.1 inch/2.5 mm) according to International Standards. Apparent Density of free-flowing powders AS-300 Hall Flowmeter determines the apparent density by permitting a volume or certain quantity of powder in a loose condition to flow from a hall flowmeter funnel orifice Diameter 0.1 inch/2.5 mm into a specified density cup of definite volume(25 cm³) under controlled conditions.  The mass of powder per unit volume (the ratio between the mass and the volume) is recorded and reported as apparent density. Apparent Density of non-free-flowing powders AS-300 Hall Flowmeter determines the apparent density by permitting a volume or certain quantity of powder in a loose condition to flow from a Car
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steel basic classification information 2020-2021

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                                           Steel classification 

                                The chemical composition of steel broadly divide them two major groups are :- 

A)  Plan carbon steel
                                
B)  Alloy steel

Types of steel


                   A)  Plan carbon steel
                             
                        Plain carbon steels are broadly sub - divided into four major types based on their carbon contents. These are not strict divisions based on carbon contents but are generally broad divisions as a basic of classification. This division is definitely useful. These are :-

1) soft or low carbon steel - Upto 0.15% c.

2) Mild steels - in the range 0.15 - 0.35% c.

3) Medium carbon steel - in the range 0.35 - 0.65% c.

4) High carbon steel - in the range 0.65 - 1.75% c.

Types of steel image 2020-2021


                           B)  Alloy steel
                         
                        The alloy steels are broadly sub - devided into threee groups on the basis of the total alloying elements present. This division is also only a broad division and not a rigid one. This is :-

1) Low alloy steel - upto 5% total alloying contents. 

2) Medium alloy steels - 5 - 10% total alloying. 

3) High alloy steels - above 10% total alloying. 


The above classification of steels are useful from the point of view of steelmaking.






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