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A Great Summary Of Stainless Steel Knowledge, One Is Enough! Part2
Aug 08, 2018


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4, The calculation method of stainless steel

 

Calculation method for theoretical weight of stainless steel plate:

 

Plate weight = specific gravity × thickness (mm) × width (m) × length (m) (mm is the unit of millimeters, m is the unit of meters)

 

In the field of engineering machinery, due to the precision of the dimensions, the world uses millimeters as 1000 mm = 1 m and 1 mm = 100 filaments.

 

The weight obtained by this formula is kilogram (KG), which is accurate to two decimal places. Because the price of stainless steel is high, the transaction volume is large, and the number after the decimal point is very important, so the money should be accurate to two decimal places. Bit.

 

Calculation formula for stainless steel:

 

Stainless steel tube: (outer diameter - wall thickness) × wall thickness × 0.02491 = Kg / m

 

Stainless steel plate; thickness * (width × length) × specific gravity == Kg / square centimeter

Round bar: (diameter × diameter) 0.00623 = Kg / M

 

Volume Price: Flat Price * Theoretical Thickness / Actual Thickness - Opening Fee

 

Flat plate price: volume price * actual thickness / theoretical thickness + opening fee

 

Theoretical calculation formula:

 

Coil: Weight, weight, thickness (actual thickness) × theoretical thickness = weight

 

Coil open plate: length, width × width × thickness × density = weight

 

Medium plate: length × width × theoretical thickness × density = weight

 

Roll length: actual weight ÷ width ÷ thickness (parameter thickness) ÷ density = roll length

 

Actual thickness of the roll: trimming roll = roll weight ÷ width ÷ roll length ÷ density

 

Burr roll = (volume weight - edge weight) ÷ width ÷ roll length density

 

Flat price: flat price = (volume weight * market base price - edge wire amount + opening fee) / total tablet weight

Example 1: Calculating the cost per ton of raw edge rolls

 

Such as, 4 * 1535 * C, reference thickness 3.5mm, volume of 9876 kg volume, the price of the flat plate 18,500 yuan / ton, Kaiping fee 80 yuan / ton, calculate the cost?

 

Solution: raw edge volume cost price = market base price * actual thickness / standard thickness + opening fee + edge wire cost

 

=18500*3.5/4+80+200=16467.5

 

Example 2: Calculating the cost per ton of a trimmed roll

 

Such as, 6 * 1500 * C, reference thickness 5.6, volume of 8566 kg volume, the market price of 18700 yuan / ton on the day, Kaiping fee 60 yuan / ton, calculate the cost per ton?

 

Solution: cutting edge cost price = market base price * actual thickness / standard thickness + opening fee =18700*5.6/6+60=17513.33

 

Example 3: Calculating the actual thickness

 

Such as, 304/NO1, 10*1500*C, the volume weighing 8682 kg, the specific gravity is 7.93, now open, 10*1500*8.195, three; 10*1500*6200, one piece; 10*1500* 7.85, two pieces; 10*1500*6000, five pieces; 10*1500*2050 tail plate piece, now calculate the actual thickness?

 

Solution: actual thickness = total weight / width / total length / specific gravity = 8682 / 1.5 / 78.54 / 7.93 = 9.29

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