EN8 Steel

EN8 also know as 080M40. An unalloyed medium carbon steel. EN8 is a medium strength steel, good tensile strength. Suitable for shafts, stressed pins, studs, keys etc. AISI 1040.

Available as normalised or rolled. EN8 is supplied as round drawn/turned, round hot rolled, hexagon, square, flats and plate.

BS 970 1991 BS 970 1955 EN AISI/SAE Werkstoff
080M40 EN8 1040 1.1186
080A42 EN8D 1042

We can also supply EN8D – 080A42 bar with hard chrome plating.

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

Specification BS 970: 1955 Chemical Composition BS 970:1991/1983 Nearest Equivalent
C Si Mn Ni Cr Mo S P
% % % % % % % %
En8 0.35/0.45 0.05/0.35 0.60/1.00 0.06Max 0.06Max 080m40

En8 Mild Steel Rounds Bright Drawn / Turned

Size
(inches)
1/4 5/16 3/8 7/16 1/2 1 5/8 11/16 3/4 1 7/8 1 1 1 1/8
1 1/4 1 3/8 1 7/16 1 1/2 1 5/8 1 3/4 1 7/8 2 2 1/8 2 1/4 2 3/8 2 1/2 2 5/8 2 3/4
3 3 1/4 3 1/2 3 3/4 4 4 1/4 4 1/2 4 3/4 5 5 1/4 5 1/2 6 6 1/2 7
7 1/2 8 9
Size
(mm)
5 6 7 8 9 10 12 13 14 15 16 18 20 22
24 25 28 30 32 35 36 38 40 42 45 50 55 60
65 70 75 80 85 90 95 100 110 120 125 130 140 150

En8 Mild Steel Rounds Hot Rolled

Size (mm) 45 50 55 60 65 70 75 80 85 90 95 100 105 110
115 120 125 130 135 140 145 150 155 160 165 170 180 185
190 200 210 220 230 240 250 260 270 280 300

En8 Hexagons Bright Drawn

Size
(ins A/F)
1.062 1.125 1.200 1.300 1.480 1.500 2.000 2.048 2.220 2.410 2.580 2.760 3.150 3.550

En8 Squares Bright Drawn

Size
(inches)
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 3 3 1/2

En8 Mild Steel Flats Bright Drawn

Size (ins) 1 x 1/2 2 x 1/4 3 x 1/2 4 x 1/2 5 x 1/2 6 x 3/4
2 x 3/8 3 x 3/4 4 x 1 6 x 1
1 1/2 x 3/8 2 x 3/4 3 x 1 4 x 1 1/2
1 1/2 x 1/2 2 x 1 4 x 2
1 1/2 x 5/8 3 1/2 x 1 4 x 2 1/2
1 1/2 x 3/4 2 1/2 x 3/8 3 1/2 x 1 1/2
1 1/2 x 1 2 1/2 x 1/2
2 1/2 x 3/4

EN8 Steel Plate

We offer cutting service on all material

Dimensions mm Dimensions mm Dimensions mm Dimensions mm
2500 x 1250 x 6 2500 x 1250 x 15 2500 x 1250 x 40 2500 x 1250 x 80
3000 x 1500 x 6 3000 x 1500 x 15 3000 x 1500 x 40 3000 x 1500 x 80
4000 x 2000 x 6 4000 x 2000 x 15 4000 x 2000 x 40 4000 x 2000 x 80
2500 x 1250 x 8 2500 x 1250 x 20 2500 x 1250 x 50 2500 x 1250 x 90
3000 x 1500 x 8 3000 x 1500 x 20 3000 x 1500 x 50 3000 x 1500 x 90
4000 x 2000 x 8 4000 x 2000 x 20 4000 x 2000 x 50 4000 x 2000 x 90
2500 x 1250 x 10 2500 x 1250 x 25 2500 x 1250 x 60 2500 x 1250 x 100
3000 x 1500 x 10 3000 x 1500 x 25 3000 x 1500 x 60 3000 x 1500 x 100
4000 x 2000 x 10 4000 x 2000 x 25 4000 x 2000 x 60 4000 x 2000 x 100
2500 x 1250 x 12 2500 x 1250 x 30 2500 x 1250 x 70
3000 x 1500 x 12 3000 x 1500 x 30 3000 x 1500 x 70
4000 x 2000 x 12 4000 x 2000 x 30 4000 x 2000 x 70
EN8 Mild Steel Plate