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ASTM A 615 METRIC SYSTEM (DEFORMED REINFORCING STEEL BAR)

 Nominal Weight ,Nominal Dimentions,and Deformation Requirements
 DIAMETER mm 8 10 12 14 16 18 20 25 25 28 32
 WEIGHT  (Kg/m) nom
min
0,395
0,371
0,617
0,580
0,888
0,835
1,208
1,136
1,578
1,483
2,000
1,880
2,466
2,318
3,853
3,622
3,853
3,622
4,834
4,544
6,313
5,934
 Sectional area mm² 50,2 78,5 113,0 153,9 201,0 254,3 314,0 490,6 490,6 615,4 803,8
 Nominal perimeter mm 25,1 31,4 37,7 44,0 50,2 56,5 62,8 78,5 78,5 87,9 100,5
 Max. Average Spacing (mm): 5,7 7,1 8,6 10,0 11,4 12,9 14,3 17,9 17,9 20,0 22,9
 Min. Average Spacing Rip Height (mm): 0,32 0,40 0,48 0,56 0,64 0,90 1,00 1,25 1,25 1,40 1,60
 Max. Gap ,Chord (mm): 3,1 3,8 4,6 5,4 6,2 6,9 7,7 9,6 9,6 10,8 12,3
 Rolling tolerance (%) Shall be at least 94%(-6%) of the applicable weight per unit length
 Rolling tolerance (%) GRADE 60
 MECHANICAL
 PROPERTIES
 Yield
 (N/mm²)
min 420
 Tensile
 (N/mm²)
min 620
 Io=200mm
 %
 Elongation
8,?.,20=>min9
22, 25=>min8
28,…?50=>min7
 BEND T.
 180°
8,?,16=>3,5d
18,?,25=>5d
28,?,40=>7d 40, 50=>9d
 ROLLING MARKING E S C
 CHEMICAL
 COMPOSITION
 % max
 C  
 Si  
 S  
 P 0,060 % .
 Mn  
 Cu  
 Cr