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USASPEAD N.S.O.H.
Flats Hot Rolled
 

General

Colour Blue / Silver
Hot Rolled BS 4659: 1989: BO1

Chemical Compostition
C
Mn
Si
S
 P Cr W V
Percentage 0.85-1.00 1.10-1.35 0.40 max. 0.035 max. 0.035 max. 0.40-0.60 0.40-0.60 0.25 max.

Form of Supply
Hot Rolled Bars: Round, square and flat section.
Hardness: Annealed to HB 229 max.


 

Rounds Hot Rolled Stock Size Range - Metric (mm)


13 26 35 45 64 83 102 143 181
16 29 38 51 70 90 115 156 206


 

Flats Hot Rolled Stock Size Range - Imperial (ins)


1 x 1/2 2 x 3/4 3 x 1 1/2 4 x 3/4 4 x 2 6 x 1/2 6 x 2 8 x 1 10 x 1 12 x 1
1 x 3/4 2 x 1 3 x 2 4 x 1   6 x 3/4   8 x 1 1/2 10 x 1 1/2 12 x 1 1/2
1 1/2 x 1 1/4 3 x 1   4 x 1 1/4 5 x 3/4 6 x 1   8 x 2 10 x 2 12 x 2


 

Squares Hot Rolled Stock Size Range - Metric (mm)


1/2 3/4 1 1 1/4 1 1/2 2 2 1/2 2 3/4 3 4
 

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