USEN 31 - 1% Carbon Chromium Steel
Products:

 

General


Colour Green / Blue
Bright Drawn BS 970: Part 1: 1983: 535A99 BS 970: 1955: En31

Chemical Compostition C Mn Si S P Cr
Percentage 0.95-1.10 0.40-0.70 0.10-0.35 0.040max 0.035max 1.20-1.60

Form of Supply
Bright Bars: Spheroidised Anneale
Mechanical Properties
In the softened condition for BS 970: 1983: 535A99: Hardness HB 229 max.

 

Rounds Bright Drawn / Turned Stock Size Range - IQ


Size (ins) 5/16 3/8 7/16 1/2 5/8 3/4 7/8 1 1 1/4 1 1/2 1 3/4 2 2 1/4 2 1/2
Size (mm) 16 20                        
   

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