| 
					 
						Diameter(mm)
					 
				 | 
				
					 
						Cross sectional area (mm2)
					 
				 | 
				
					 
						Theorectical weight (kgm)
					 
				 | 
				
					 
						Weight of 12m bar (kg)
					 
				 | 
				
					 
						One ton contains 12m bar (pcs)
					 
				 | 
			
| 
					 
						6
					 
				 | 
				
					 
						28.27
					 
				 | 
				
					 
						0.222
					 
				 | 
				
					 
						2.664
					 
				 | 
				
					 
						375.38
					 
				 | 
			
| 
					 
						8
					 
				 | 
				
					 
						50.27
					 
				 | 
				
					 
						0.395
					 
				 | 
				
					 
						4.74
					 
				 | 
				
					 
						210.97
					 
				 | 
			
| 
					 
						10
					 
				 | 
				
					 
						78.54
					 
				 | 
				
					 
						0.617
					 
				 | 
				
					 
						7.404
					 
				 | 
				
					 
						135.06
					 
				 | 
			
| 
					 
						12
					 
				 | 
				
					 
						113.1
					 
				 | 
				
					 
						0.888
					 
				 | 
				
					 
						10.656
					 
				 | 
				
					 
						93.84
					 
				 | 
			
| 
					 
						14
					 
				 | 
				
					 
						153.9
					 
				 | 
				
					 
						1.21
					 
				 | 
				
					 
						14.52
					 
				 | 
				
					 
						68.87
					 
				 | 
			
| 
					 
						16
					 
				 | 
				
					 
						201.1
					 
				 | 
				
					 
						1.58
					 
				 | 
				
					 
						18.96
					 
				 | 
				
					 
						52.74
					 
				 | 
			
| 
					 
						18
					 
				 | 
				
					 
						254.5
					 
				 | 
				
					 
						2
					 
				 | 
				
					 
						24
					 
				 | 
				
					 
						41.67
					 
				 | 
			
| 
					 
						20
					 
				 | 
				
					 
						314.2
					 
				 | 
				
					 
						2.47
					 
				 | 
				
					 
						29.64
					 
				 | 
				
					 
						33.74
					 
				 | 
			
| 
					 
						22
					 
				 | 
				
					 
						380.1
					 
				 | 
				
					 
						2.98
					 
				 | 
				
					 
						35.76
					 
				 | 
				
					 
						27.96
					 
				 | 
			
| 
					 
						25
					 
				 | 
				
					 
						490.9
					 
				 | 
				
					 
						3.85
					 
				 | 
				
					 
						46.2
					 
				 | 
				
					 
						21.65
					 
				 | 
			
| 
					 
						28
					 
				 | 
				
					 
						615.8
					 
				 | 
				
					 
						4.83
					 
				 | 
				
					 
						57.96
					 
				 | 
				
					 
						17.25
					 
				 | 
			
| 
					 
						32
					 
				 | 
				
					 
						804.2
					 
				 | 
				
					 
						6.31
					 
				 | 
				
					 
						75.72
					 
				 | 
				
					 
						13.21
					 
				 | 
			
| 
					 
						36
					 
				 | 
				
					 
						1018
					 
				 | 
				
					 
						7.99
					 
				 | 
				
					 
						98.88
					 
				 | 
				
					 
						10.43
					 
				 | 
			
| 
					 
						40
					 
				 | 
				
					 
						1257
					 
				 | 
				
					 
						9.87
					 
				 | 
				
					 
						118.44
					 
				 | 
				
					 
						8.44
					 
				 | 
			
