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# Calculating The Mass Of Metal Materials

Views: 3     Author: Site Editor     Publish Time: 2021-01-26      Origin: Site

# Common used formulas for calculating the mass of metal materials Mass of round steel (kg) = 0.00617×diameter×diameter×length

Square steel mass (kg) = 0.00785 × side width × side width × length

Hexagonal steel mass (kg) = 0.0068 × width of the opposite side × width of the opposite side × length

Mass of octagonal steel (kg) = 0.0065 × width of opposite side × width of opposite side × length

Rebar mass (kg) = 0.00617×calculated diameter×calculated diameter×length

Angle steel mass (kg) = 0.00785 × (side width + side width - side thickness) × side thickness × length

Flat steel mass (kg) = 0.00785 × thickness × side width × length

Steel pipe mass (kg) = 0.02466 × wall thickness × (outside diameter - wall thickness) × length

Steel plate mass (kg) = 7.85 × thickness × area

Mass of round purple copper bar (kg) = 0.00698×diameter×diameter×length

Mass of round brass rod (kg) = 0.00668×diameter×diameter×length

Mass of round aluminum bar (kg) = 0.0022×diameter×diameter×length

Mass of square brass rod (kg) = 0.0089×side width×side width×length

Mass of square brass bar (kg) = 0.0085×side width×side width×length

Square aluminum bar mass (kg) = 0.0028×side width×side width×length

Mass of hexagonal brass bar (kg) = 0.0077 × width of opposite side × width of opposite side × length

Hexagonal brass bar mass (kg) = 0.00736×side width×side width×length

Hexagonal aluminum bar mass (kg) = 0.00242×side width×side width×length

Brass sheet mass (kg) = 0.0089×thickness×width×length

Mass of brass plate (kg) = 0.0085×thickness×width×length

Aluminum plate mass (kg) = 0.00171 × thickness × width × length

Round brass tube mass (kg) = 0.028 × wall thickness × (outside diameter - wall thickness) × length

Round brass tube mass (kg) = 0.0267 × wall thickness × (outside diameter - wall thickness) × length

Round aluminum tube quality (kg) = 0.00879 × wall thickness × (outside diameter - wall thickness) × length

Note: The unit of length in the formula is meter, the unit of area is square meter, and the rest of units are millimeter. The above mass * material unit price is the material cost, plus surface treatment + man-hour cost of each process + packaging material + shipping cost + tax + interest rate = quoted price (FOB).

Specific gravity of commonly used materials

Iron = 7.85g/cm3 Aluminum = 2.7g/cm3 Copper = 8.95g/cm3 Stainless steel = 7.93g/cm3

Stainless steel mass simple calculation formula

Stainless steel plate mass per square meter (kg) calculation formula: specific gravity * thickness (mm) * width (mm) * length (m)

304, 321 tube per meter mass (kg) formula: 0.02491 * wall thickness (mm) * (outside diameter - wall thickness) (mm)

316L, 310S pipe per meter quality (kg) formula: 0.02495 * wall thickness (mm) * (outside diameter - wall thickness) (mm)

Stainless round steel mass per meter (kg) calculation formula: diameter (mm)*diameter (mm)* (nickel stainless: 0.00623; chrome stainless: 0.00609)

Calculation of theoretical mass of steel

The unit of measurement for the calculation of the theoretical mass of steel is the kilogram (kg). The basic formula is

W (mass, kg ) = F (cross-sectional area mm2) × L (length, m) × ρ (density, g/cm3) × 1/1000

Theoretical mass calculation formula for all kinds of steel

Round steel Coil (kg/m)

W= 0.006165×d×d

d= diameter mm

The mass per m of a round steel with a diameter of 100 mm. Mass per m = 0.006165 × 1002 = 61.65 kg

Rebar (kg/m)

W=0.00617 × d × d

d=section diameter mm

Find the mass per m of a rebar with a section diameter of 12 mm. Mass per m = 0.00617 × 12 2 = 0.89 kg

Square steel (kg/m)

W=0.00785 × a × a

a = side width in mm

Find the mass per m of a square steel with a side width of 20 mm. Mass per m = 0.00785 × 202 = 3.14kg

Flat steel (kg/m)

W=0.00785×b×d

b=sidewidth mm

d=thickness mm

Find the mass per m of a flat bar with a side width of 40 mm and a thickness of 5 mm. Mass per m = 0.00785 × 40 × 5 = 1.57 kg

Hexagonal steel (kg/m)

W=0.006798 × s × s

s = distance to the side in mm

Find the mass per m of a hexagonal steel with a distance of 50 mm from the opposite side. Mass per m = 0.006798 × 502 = 17kg

Octagonal steel (kg/m)

W=0.0065 × s × s

s=Distance to side mm

Find the mass per m of octagonal steel with 80mm distance from the opposite side. Mass per m = 0.0065 × 802 = 41.62kg

Equilateral angle steel (kg/m)

W=0.00785 × [d(2b-d) + 0.215 (R2 - 2r 2)

b=side width

d=side thickness

R = inner radius of arc

r = radius of the end arc

Find the mass per m of a 20 mm × 4 mm equilateral angle. From the metallurgical catalog, find 4mm × 20mm equilateral angle with R 3.5 and r 1.2, then the mass per m = 0.00785 × [4 × (2 × 20 - 4) + 0.215 × (3.5 × 3.5 - 2 × 1.2 × 1.2)] = 1.15kg

Unequal angle (kg/m)

W = 0.00785 × [d (B + b - d) + 0.215 (R2 - 2r 2)

B=Long side width

b=short side width

d=Side thickness

Find the mass per m of 30 mm × 20 mm × 4 mm unequal angle. From the metallurgical catalog, find 30 × 20 × 4 unequal angles with R of 3.5 and r of 1.2, then the mass per m = 0.00785 × [4 × (30 + 20 - 4) + 0.215 × (3.5 × 3.5 - 2 × 1.2 × 1.2)] = 1.46 kg

Channel steel (kg/m)

W= 0.00785× [hd + 2t (b - d) + 0.349 (R2 - r 2)

h= height

b= leg length

d = waist thickness

t= average leg thickness

r = radius of end arc

Find the mass per m of an 80 mm x 43 mm x 5 mm channel. From the metallurgical catalog, find that the channel t is 8, R is 8, and r is 4. The mass per m = 0.00785 × [80 × 5 + 2 × 8 × (43-5) + 0.349 × (8 × 8 - 4 × 4)] = 8.04 kg

I-beam (kg/m)

W=0.00785×[hd+2t (b-d )+0.615 (R2-r 2 )

h=high

b=leg length

d=waist thickness

t = average leg thickness

Find the mass per m of a 250 mm x 118 mm x 10 mm I-beam. From the metal materials handbook, find that the I-beam has a t of 13, an R of 10, and an r of 5. The mass per m = 0.00785 × [250 × 10 + 2 × 13 × (118 - 10 ) + 0.615 × (10 × 10 - 5 × 5)] = 42.03 kg

Steel plate (kg/m2 )

W=7.85 × d

d=thick

Find the mass per m2 for a steel plate of thickness 4 mm. Mass per m2 = 7.85 × 4 = 31.4kg

Steel pipe (including seamless steel pipe and welded steel pipe (kg/m))

W=0.02466×S (D-S )

D = outside diameter

S = wall thickness

Seamless steel pipe with an outside diameter of 60 mm and a wall thickness of 4 mm, the mass per m. Mass per m = 0.02466 × 4 × (60 - 4) = 5.52kg

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