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708M40 Steel

708M40 also known as EN19 and AISI 4140 comes treated in the annealed as rolled or even T condition. We can offer 708M40 in diameters, squares, and flats from stock. It is renown for its wear resistance properties and where high strength properties is required. Suitable for gears, shafts, spindles, etc.

We can also supply bar in the T condition with hard chrome plating.

Also available 708M40 steel forgings »

BS 970 1991 BS 970 1955 EN AISI/SAE Werkstoff
708M40  EN19 4140 1.7225

 

Popular size ranges shown below, other sizes available upon request.

708M40 Rounds Hot Rolled

Size (mm) 40 50 60 70 75 80 85 90 95 100 105 110
115 120 125 130 140 150 160 170 180 190 200 220
240 260 280 300 320 350 400

708M40 Rounds Bright Drawn

Size (inches) 5/16 3/8 7/16 1/2 9/16 5/8 3/4 7/8 15/16 1 1 1/8 1 1/4 1 3/8 1 1/2
1 5/8 1 3/4 2 2 1/4 2 1/2 2 3/4 3 3 1/2 4          
Size (mm) 10 12 15 16 18 20 25 30 35 40 45 50 60  

708M40 Hexagons Bright Drawn

Size
(ins A/F)
0.500 0.600 0.625 0.750 0.937 1.010 1.125 1.300 1.500        
Size
(mm A/F)
10 12 15 16 18 20 25 30 35 40 45 50 60

Click here for Steel hardness conversion charts and heat treatment hardness tables

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