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October 25, 2018

Construction Steel

On the market today, construction materials are diverse in design, quality and price, in which construction steel prices fluctuate continuously over time. To distinguish the construction steel, the user needs to understand the most basic characteristics of the steel. Construction steel is composed of: steel coil, steel bar, checked steel, plain round bar…

Steel Coil: is wire rods with diameter: Ø6mm, Ø8mm, Ø10mm, surface is smooth, steel wire is rolled into a coil, each coil has weight from 750 to 2000 kg.

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Flat round bars: have round bar shape, smooth surface, the length of 12 meters /bar. The steel bars have diameter of Ø14, Ø16, Ø18, Ø20, Ø22, Ø25 and are bundled in bunches with a weight of 2000 kgs/bundle.

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Steel bars and ribbed bars: These steel are diversified in dimensions, including steel wires having diameter of Ø10, Ø12, Ø14, Ø16, Ø18, Ø20, Ø22, Ø25, Ø28, Ø32. They are reinforced concrete, produced with a ribbed surface, have diameter from 10 mm – 51 mm. The length of the material depends on the requirements of customer. Commonly, each bar is 11.7m long and bundled with the weight of about 1,500-3,000 kgs.11.7m long and is bundled with the weight of about 1,500-3,000 kg.

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Nominal diameter (mm) Nominal Cross-sectional Unit Weight (kg/m)
 
area (mm2)
Coil Steel Ribbed Steel Round steel bar    
5,5 23,76 0,187
6 28,27 0,222
6,5 33,18 0,260
7 38,48 0,302
7,5 44,18 0,347
8 50,27 0,395
8,5 56,75 0,445
9 63,62 0,499
9,5 70,88 0,556
10 10 10 78,54 0,617
10,5 86,59 0,680
11 95,03 0,746
11,5 103,87 0,815
12 12 12 113,10 0,888
12,5 122,72 0,963
13 13 132,73 1,042
14 14 14 153,94 1,208
15 176,71 1,387
16 16 16 201,06 1,578
18 18 254,47 1,998
19 283,53 2,226
20 20 314,16 2,466
22 22 380,13 2,984
25 25 490,87 3,853
28 28 615,75 4,834
29 660,52 5,185
30 30 706,86 5,549
32 32 804,25 6,313
35 962,11 7,553
40 40 1256,64 9,865
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