Manufacturing & Distributing Hot Rolled & Bright Steel Bar Worldwide

Ground Flat Stock (Annealed) – Grade BO1

Finish: Precision Ground


USASPEAD – Ground Flat Stock (Annealed)
BS 4659: 1989: BO1


 

Sizes detailed below are standard stock items, other sizes are readily available:
Price/Availability on application.

 

Form of Supply – mm:

Flat and square sections in 500mm lengths.
Hardness: Annealed to HB 229 max.
Lengths are individually wrapped and protected.

 

Tolerances:
Thickness: +0.050mm/-0.000mm
Width: 5mm and over +0.127mm/-0.000mm

 

Flat stocked sizes – mm.

  1 2 3 4 5 6 8 10 12 15 20 25
10 x     x x              
15 x       x x            
20   x x x x x x          
25   x   x x         x    
30     x   x x x          
40 x x           x x   x  
50 x x x   x              
60 x x       x       x x  
80 x   x x         x      
100     x   x           x  
125   x             x      
150   x     x              
200   x   x                
250                       x
300   x                    

 

Square stocked sizes – mm.

5 6 8 10 12 16
x x x x x x

 

 

Form of Supply:

Flat and square sections in 18” lengths.
Hardness: Annealed to HB 229 max.
Lengths are individually wrapped and protected.

 

Tolerances:

Thickness: +/-0.001”,
Width: 3/16” to 12”: +0.005”/-0.000”

 

Flat stocked – Inches

  1/32 1/16 3/32 1/8 5/32 3/16 1/4 5/16 3/8 1/2 5/8 3/4 7/8 1 1.1/4 1.1/2 2
1/2   x x     x                      
5/8   x         x x x                
3/4       x     x   x x x            
1       x   x   x x x              
1.1/4       x   x   x       x          
1.1/2   x       x     x x x            
2   x x x x x x x       x   x      
2.1/2       x     x   x     x          
3       x     x x       x   x      
3.1/2       x                          
4               x         x        
5         x           x     x      
6       x   x   x                  
8   x   x     x                    

 

Square stocked – Inches

1/8 1/4 5/16 3/8 1/2 5/8 3/4 7/8 1
x x x x x x x x x

 


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