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USASPEAD
Rounds Bright Drawn
Rounds Hot Rolled
Hexagons Bright Drawn
Squares Bright Drawn
Flats Bright Drawn
 

General

Colour Green
Bright Drawn BS 970: Part 3: 1991: 230M07 BS 970: 1955: En1A
Hot Rolled BS 970: Part 1: 1983: 230M07 BS 970: 1955: En1A

Chemical Compostition
C
Mn
S
P
Percentage
0.15 max.
0.90-1.30
0.25-0.35
0.090 max.*
The above composition applies to BS 970: 1991 & 1983 except: * Phosphorous content for BS 970: 1983 is 0.070 % max.

 

Rounds Bright Drawn / Turned Stock Size Range

Size (ins. dia) 3/32 1/8 5/32 3/16 7/32 1/4 9/32 5/16 11/32 3/8 7/16 1/2 17/32 9/16
5/8 11/16 3/4 13/16 7/8 15/16 1 1 1/16 1 1/8 1 3/16 1 1/4 1 5/16 1 3/8 1 7/16
1 1/2 1 5/8 1 11/16 1 3/4 1 7/8 2 2 1/8 2 1/4 2 3/8 2 1/2 2 5/8 2 3/4 2 7/8 3
3 1/8 3 1/4 3 3/8 3 1/2 3 5/8 3 3/4 3 7/8 4 4 1/4 4 1/2 4 3/4 5 5 1/4 5 1/2
5 3/4 6 6 1/4 6 1/2 6 3/4 7 7 1/4 7 1/2 8          
Size (mm dia) 2 2.5 3 4 5 6 6.5 7 8 9 10 11 12 13
14 15 16 17 18 19 20 22 24 25 26 28 30 32
35 36 38 40 42 45 46 48 50 52 55 56 58 60
65 70 75 80 85 90 100 105 110 120 125 130 140 150

 

Rounds Precision Ground Stock Size Range

Size(ins. dia) 1/4 3/8 1/2 5/8 3/4 7/8 1 1 1/4 1 3/8 1 1/2 1 3/4 2 2 1/4 2 1/2
3 Tolerances: up to 1" dia +/- 0.00025"
 
Size(mm dia) 4 6 8 10 12 15 16 20 25 30 35 40 50  
Tolerances:
4mm to 30mm dia. +0mm/-0.0127mm
35mm to 50mm dia. +0mm/-0.0254mm


 

Rounds Hot Rolled Stock Size Range

Size (mm dia) 60 65 70 75 80 85 90 95 100 105 110 115 120 125
130 135 140 145 150 155 160 165 170 180 190 200 210 220


 

Hexagons Bright Drawn Stock Size Range

Size (ins. A/F) 0.193 0.248 0.312 0.324 0.375 0.437 0.445 0.500 0.525 0.562 0.600 0.625 0.687 0.710
0.750 0.812 0.820 0.875 0.920 0.937 1.000 1.010 1.062 1.100 1.125 1.200 1.250 1.300
1.312 1.480 1.500 1.625 1.670 1.860 2.050 2.220 2.410 2.580 2.760 3.150 3.550  
Size (mm A/F) 5 6 7 8 10 11 12 13 14 15 16 17 18 19
20 22 24 25 26 27 30 32 35 36 41 46 50 55
60 65 70 75                    


 

Squares Bright Drawn Stock Size Range

Size (ins. sq) 3/16 1/4 5/16 3/8 7/16 1/2 9/16 5/8 3/4 7/8 1 1 1/8 1 1/4 1 3/8
1 1/2 1 3/4 2 2 1/4 2 3/4 3 3 1/4 3 1/2 4          
Size (mm sq) 5 6 7 8 10 12 14 15 16 18 20 22 25 30
32 40 45 50 60                  


 

Flats Bright Drawn Stock Size Range

Size (ins.) 1/2 x 1/4 1 1/4 x 1/2 1 3/4 x 1 2 1/2 x 1 3 x 1/4 4 x 1/4 6 x 1/2
3/4 x 3/16 1 1/4 x 3/4 1 3/4 x 1 1/4 2 1/2 x 1 1/4 3 x 3/4 4 x 1/2 6 x 1
3/4 x 1/2 1 1/4 x 7/8   2 1/2 x 1 1/2 3 x 1 4 x 3/4 6 x 1 1/2
7/8 x 1/2 1 1/4 x 1   2 1/2 x 1 3/4 3 x 1 1/4 4 x 1  
        3 x 1 1/2 4 x 1 1/2  
1 x 1/4 1 1/2 x 1/4 2 x 1/4   3 x 2 4 x 2  
1 x 3/8 1 1/2 x 3/8 2 x 1/2     4 x 2 1/2  
1 x 1/2 1 1/2 x 1/2 2 x 5/8   3 1/2 x 1 1/2 4 x 3  
1 x 5/8 1 1/2 x 5/8 2 x 3/4   3 1/2 x 2    
1 x 3/4 1 1/2 x 3/4 2 x 1   3 1/2 x 2 1/2    
  1 1/2 x 1 2 x 1 1/4        
  1 1/2 x 1 1/4 2 x 1 1/2        
Size (mm) 25 x 6 40 x 20 50 x 40        
25 x 20            
 

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