Specifications: diameter: 320 to 127 mm thickness: 0.4 to 12.7 mm Length: 6 m above, and, in accordance with customer demand, supply and other specifications of steel pipe

steel theoretical weight formula


Various types of steel theoretical weight formula / cangzhou seamless pipes
Name Unit The formula Examples of calculations
Round steel wire rod kg / m w = 0.006165 x d ²
wherein, d diameter (mm)
80mm diameter round bar, find the mass per meter 
per meter quality = 0.006165 × 80 ² kg = 39.46kg
Rebar kg / m W = 0.00617 × d ²
, d is the cross-section diameter (mm)
Cross-section diameter of 12mm rebar, find the mass per meter 
per meter quality = 0.00617x12 ² kg = 0.89kg
Square steel kg / m W = 0.00785 × d ²
where, d is the edge width (MM)
, Edge width 30mm square steel per meter quality 
mass per meter = 0.00785 × 30 ² kg = 7.07kg
Flat steel kg / m W = 0.00785 × d × B 
wherein D edge width (mm) b is a thickness (mm)
Edge width 40mm, 5mm thick flat steel demand per meter quality 
mass per meter = 0.00785 × 40 × 5kg = 1.57kg
Hexahedrons kg / m W = 0.006798 x d ²
where, d is the edge distance (mm)
Hexahedrons edge distance of 50mm, seeking mass per meter 
per meter quality = 0.006798 × 50 ² kg = 17kg
Octagonal steel kg / m W = 0.006798 x d ²
where, d is the edge distance (mm)
Octagonal steel edge distance of 80mm, find the mass per meter 
per meter quality: 0.0065 x 80 ² kg = 41.60kg
Equilateral angle kg / m W = 0.00785 × d (2b-d) and +0.215 (R ²-2r ²)]
where b is the side width, d is the edge thickness, R is the radius of inner arc _, r is the radius of the end arc

Identified in the quality GB9787seeking 4mmx20mm equilateral angle per meter 4mm × 20mm equilateral angle R 3.5 r 1.2 
per meter quality = 0.00785 × 4 (2 × 20-4) +0.215 (3.5 ² 2 × 1.2 ²)] kg = 1.15kg
Unequal angle kg / m w = 0.00785 × [d (B +6- d) +0.215 (R ² -2 r ²)]
wherein, B is a long-side width, b is the short side, width, d is the edge thickness, R is the radius of the inner arc, r for the end of the arc radius
Seeking 30rnm × 20mm x 4mm unequal angle mass per meter. Detected from GB9788 30x 20x 4 unequal angle R 3.5 r 1.2 
per meter quality = 0.00785 × [4 (30 +20-4) +0.215 (3.5 ² -2 × 1.2 ²)] kg = 1.46 kg
Channel iron kg / m w = 0.00785 [HD +2 T (BD) +0.349 (R ²-R2)
wherein h is high, B for the leg length, d is the waist thick, t is the average legs thick, R is the radius of the inner arc, r is the terminal arc radius
Seeking 80mm × 43mm × 5mm channel per meter quality. Detected from GB707 t of the channel 8, and R 8, R 4 
per meter mass = 0.00785 [80 × 5 + 2 × 8 (43-5) +0.349 (8 ² -4 ²)] kg = 8.04kg
I-beam kg / m w = 0.00785 [HD +2 T (BD) +0.8584 (R ²-R ²)]
wherein h is high, B for the leg length, d, t is the average legs thick waist thick, R is the radius of the inner arc, r is the terminal arc radius
Seeking 250rnm × 118mm × 10mm H-beam mass per meter. T of the I-beam detected from GB706 13. R 10, r 5 
per meter mass = 0.00785 [250 × 10 + 2 x 13 x (118 10) +0.8584 (10 ² -5 mm ²)] kg = 42.2kg
Steel plate kg / m² W = 7.85 × 6
wherein 6 is thick
6mm thickness of steel plate, find the mass per square meter 
per square meter quality = 7.85 × 6kg = 47.1kg
Steel pipe (including seamless steel pipe and welded steel pipe) kg / m w = 0.02466 × S (DS)
wherein D is the outer diameter, s is the wall thickness
Outside diameter 60mm, wall thickness 4mm seamless steel pipe, find the mass per meter per meter quality = 0.02466 × 4 × (60-4) kg: 5.52kg 
Cangzhou seamless steel pipe.
 

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