EN19 Steel

EN19 also known as 708M40 / 709M40 and AISI 4140 comes treated in the annealed as rolled or even T condition. We can offer EN19 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.

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

EN19 is also available in pre-machined bar »

Shop online for EN19

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

En19 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

EN19 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

EN19 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