USEN 24T / USALOY 24T
Products:

 

General


Colour White / Brown
Bright Drawn BS 970: Part 3: 1991: 817M40 BS 970: 1955: En24T
Hot Rolled BS 970: Part 1: 1983: 817M40

BS EN 10083-1: 1991: 34CrNiMo6
BS 970: 1955: En24T


Chemical Compostition C Mn Si S P Cr Mo Ni
Percentage 0.36-0.44 0.45-0.70 0.1-0.40* 0.040max 0.035max 1.00-1.40 0.20-0.35 1.30-1.70
The above composition applies to BS 970: 1991 & 1983 except :* Silicon content for BS 970: 1983 is 0.10-0.35%

Form of Supply
Bright Bars: Hardened & Tempered to T condition
Hot Rolled Rounds: Hardened & Tempered to T condition up to 250mm dia
Hot Rolled Flats & Squares: Hardened & Tempered to T condition
Inclusion Modified

 

Rounds Bright Drawn / Turned Stock Size Range - IQ


Size (ins) 1/4 5/16 3/8 1/2 5/8 3/4 7/8 1 1 1/8 1 1/4 1 3/8 1 1/2 1 5/8 1 3/4
1 7/8 2 2 1/4 2 1/2 2 3/4 3 3 1/4 3 1/2 4          
Size (mm) 10 12 16 20 22 25 28 30 32 35 38 40 42 45
50 55 60                      

 

Rounds Hot Rolled Stock Size Range - IQ


Size (mm) 25 32 35 38 40 42 45 50 55 60 65 70 75 80
85 90 95 100 105 110 115 120 125 130 135 140 150 155
160 170 180 190 200 210 220 230 240 250 260 280 300  


 

Squares Hot Rolled Stock Size Range - IQ


Size (mm) 40 45 50 100


 

Flats Hot Rolled Stock Size Range - IQ


Size (mm) 40x25 60x15 75x15 75x50 100x40 125x50
50x25 60x30 75x30 100x15 100x50 150x25
   

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