Theoretical weight of steel formula

Angle steel: weight per meter = 0.00785 * (edge width + edge width - edge thickness) * edge thickness 
round steel: weight per meter = 0.00617 * diameter * diameter (rebar and round) 
steel: weight per meter = 0.00785 * thickness * the edge width 
pipe: weight per meter = 0.0246615 * thickness * (OD - Wall Thickness) 
sheet: weight per meter = 7.85 * thickness 
brass: weight per meter = 0.02670 * thickness * (OD - Wall Thickness ) 
copper tube: weight per meter = 0.02796 * thickness * (OD - Wall Thickness) 
aluminum checkered plate: weight per square meter = 2.96 * thickness of 
non-ferrous metals proportion: copper plate 8.9 8.5 of yellow copper zinc plate 7.2 stereotype 11.37 
non-ferrous metal sheet is calculated as: weight per square meter = specific gravity * thickness

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Stainless steel theoretical weight:

The proportion of stainless steel: 
chromium stainless steel to take 7.75 t / m3 
● chrome-nickel stainless steel to take 7.93 t / m3 
● iron take 7.87 t / m3 
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stainless steel theoretical weight is calculated 
theoretical weight of steel products weight (kg) = thickness (mm) × width (mm) × length (mm) × density 
-density steel species 
7.93 201,202,301,302,304,304 L, 305,321 
7.75 405,410,420 
7.98 309S, 310S, 316S, 316L, 347 
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stainless steel rod, wire, theoretical calculation formula 
★ diameter × diameter × 0.00609 = kg / m (for 410 420 420J2 430 431), for 
example: ¢ 50 50 × 50 × 0.00609 = 15.23Kg / m 
★ diameter × diameter × 0.00623 = kg / m (suitable for 301 303 304 316 316L 321), for 
example: ¢ 50 50 × 50 × 0.00623 = 15.575Kg / m ----------------- -------------------------------------------------- -------------------------------------------------- -------------------------------------------------- ----------------------　stainless steel profiles, theoretical calculations formula ◆ hexagonal rod the edge × side × 0.0069 = kg / m ◆ square bar side width × width x 0.00793 = Kg / m -------------------------------------------- -------------------------------------------------- -------------------------------------------------- ---------------------------------------------　stainless steel pipe, theoretical calculations formula ○ (OD - Wall Thickness) × wall thickness × 0.02491 = Kg / m ¢ 57 × 3.5 (57-3.5) × 3.5 × 0.02491 = 4.66Kg / m







 

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Various steel pipes (material) weight of the general formula 

mass of the tube = 0.25 × p × (OD square - the square of the inside diameter) × L × proportion of steel where: pi = 3.14 L = the proportion of the length of pipe steel to take 7.8, the mass of the tube = 0.25 × 3.14 × (diameter squared - diameter squared) × L × 7.8 * size unit that m (M), the calculated weight results in kilograms (Kg)

-------------------------------------------------- -------------------------------------------------- -------------------------------------------------- The ---------------------------------------　steel density: 7.85g/cm3　　 steel. theory The weight of the unit of measure of the theoretical weight of steel in kilograms (kg). The basic formula: W (weight, kg) = F (cross-sectional area mm2) x L (length m) × p (density, g/cm3) × 1/1000


 

-------------------------------------------------- -------------------------------------------------- -------------------------------------------------- --------------------------------------- the　various theoretical weight of steel is calculated as follows: round rod (kg / m) W = 0.006165 × d × d d = diameter mm diameter 100 mm round, and weight per m. Weight per m = 0.006165 × 1002 = 61.65kg



 

-------------------------------------------------- -------------------------------------------------- -------------------------------------------------- --------------------------------------- the　rebar (kg / m) W = 0.00617 × d × d d = section diameter mm cross-section diameter of 12 mm rebar weight per m. Weight per m = 0.00617 × 12 2 = 0.89kg


 

-------------------------------------------------- -------------------------------------------------- -------------------------------------------------- ---------------------------------------　square steel (kg / m)　　 W = 0.00785 × a × a a = edge width mm edge width 20 mm square steel weight per m. Weight per m = 0.00785 × 202 = 3.14kg ---------------------------------------- -------------------------------------------------- -------------------------------------------------- -------------------------------------------------　



 

　　 Flat steel (kg / m) 
W = 0.00785 × b × d 
b = edge width mm 
d = thickness mm 
edge width 40 mm, 5mm thick flat steel, and weight per m. Weight per m = 0.00785 × 40 × 5 = 1.57kg

-------------------------------------------------- -------------------------------------------------- -------------------------------------------------- --------------------------------------- the　six angle (kg / m) W = 0.006798 × s × s s = distance to the edge mm the six angle edge distance of 50 mm, and weight per m. Weight per m = 0.006798 × 502 = 17kg


 

-------------------------------------------------- -------------------------------------------------- -------------------------------------------------- ---------------------------------------　octagonal steel (kg / m) W = 0.0065 × s × s s = edge distance mm the octagonal steel edge distance of 80 mm, weight per m. Weight per m = 0.0065 × 802 = 41.62kg


 

-------------------------------------------------- -------------------------------------------------- -------------------------------------------------- ---------------------------------------　equilateral angle (kg / m)　　 = 0.00785 × [d (2B - d) +0.215 (R2 - 2R 2)] b = edge width d = edge thickness R = arc radius r = end arc radius and weight per m of 20 mm × 4 mm equilateral angle. Detected Metallurgical products from 4 mm × 20 mm equilateral angle R is 3.5 r 1.2 weight per m = 0.00785 × [4 × (2 × 20 - 4) +0.215 × (3.52 - 2 × 1.2 2 )] = 1.15kg





 

-------------------------------------------------- -------------------------------------------------- -------------------------------------------------- ---------------------------------------　unequal angle (kg / m)　　 W = arc radius r = 0.00785 × [d (B + b - d) +0.215 (R2 - r 2)] = long edge width b = short side width d = edge thickness R = end arc radius and 30 mm × 20 mm × 4mm weight per m unequal angle. Detected Metallurgical products from 30 × 20 × 4 unequal angle R is 3.5, r 1.2, the weight per m = 0.00785 × [4 × (30 +20 - 4) +0.215 × (3.52 - 2 x 1.2 2)] = 1.46kg






 

-------------------------------------------------- -------------------------------------------------- -------------------------------------------------- the ---------------------------------------　channel (kg / m)　　 W = 0.00785 × [hd +2 t (b - d) +0.349 (R2 - r 2)] h = high b = leg length d = thickness of the waist t = average thickness of legs R = arc radius r = end arc radius and 80 mm x 43mm x 5mm channel weight per m. T detect the channel from the metallurgical Catalog 8, R 8 and R is 4, the weight per m = 0.00785 × 80 × 5 +2 × 8 × (43 - 5) +0.349 × (82-4 2)] = 8.04kg







 

-------------------------------------------------- -------------------------------------------------- -------------------------------------------------- ---------------------------------------　I-beam (kg / m)　　 W = 0.00785 × [hd +2 t (b - d) +0.615 (R2 - r 2)] h = high b = leg length d = thickness of the waist t = average thickness of legs R = arc radius r = end arc radius and 250 mm x 118mm I-beam × 10mm weight per m. T to find out if the I-beam in the manual from the metallic material 13, R for the 10, R 5, weight per m = 0.00785 × 250 × 10 +2 × 13 × (118 -10) +0.615 × (102 - 5 2)] = 42.03kg ------------------------------------------- -------------------------------------------------- -------------------------------------------------- ----------------------------------------------　








 

　　 Steel (kg/m2)
　　 W = 7.85 × d 
d = thickness of 
4mm thick steel plate, find the weight per m2. Weight per m2 = 7.85 × 4 = 31.4 kg 
---------------------------------------- -------------------------------------------------- -------------------------------------------------- -------------------------------------------------　　 steel pipe (kg / m) (tube) including seamless and welded steel pipe　　 W = .0246615 × S (D - S) D = outer diameter S = wall thickness of the outer diameter of a seamless steel pipe of 60 mm wall thickness 4mm, seeking each m weight. Weight per m = 0.02466 × 4 × (60 -4) = 5.52kg



 

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Rectangular Pipe formula: (square and rectangular (rectangular) cross-section of carbon steel pipe formula)
per meter unit of weight: kg / m (kg / m) formula: kg / m = (Oc - 4wt) * Wt * 0.00785 
including: OC The outer perimeter, Wt is the wall thickness; square OC = 4 * a rectangular OC = 2a +2 b a, b is the side length

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