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EN1A Steel

EN1A, also known as 230M07. EN1A is low carbon mild steel. Properties: free cutting, suitable for machining using both automatic and CNC machines. Available in square, round, flat or hexagon form. Equivalent to AISI 1113.

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

BS 970 1991 BS 970 1955 EN AISI/SAE Werkstoff
220M07 EN1A 1113 1.0711
230M07 EN1A 1213 1.0715

 

Specification BS 970: 1955 EN1A Steel Chemical Composition BS 970:1991/1983 Nearest Equivalent
C Si Mn Ni Cr Mo S P
% % % % % % % %
En 1A 0.07/0.15 0.10Max. 0.80/1.20 - - - 0.20/0.30 0.07Max 230m07

Rounds Bright Drawn | Rounds Precision Ground | Rounds Hot Rolled | Hexagons | Squares | Flats

En1A Mild Steel Rounds Bright Drawn / Turned Stock

Size (ins. dia) 3/32 1/8 5/32 3/16 7/32 1/4 9/32 5/16 11/32 3/8 7/16 1/2 17/32
9/16 5/8 11/16 3/4 13/16 7/8 15/16 1 1 1/16 1 1/8 1 3/16 1 1/4 1 5/16
1 3/8 1 7/16 1 1/2 1 5/8 1 11/16 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 2 7/8 3 3 1/8 3 1/4 3 3/8 3 1/2 3 5/8 3 3/4 3 7/8 4 4 1/4 4 1/2
4 3/4 5 5 1/4 5 1/2 5 3/4 6 6 1/4 6 1/2 6 3/4 7 7 1/4 7 1/2 8
Size (mm dia) 2 2.5 3 4 5 6 6.5 7 8 9 10 11 12
13 14 15 16 17 18 19 20 22 24 25 26 28
30 32 35 36 38 40 42 45 46 48 50 52 55
56 58 60 65 70 75 80 85 90 100 105 110 120
125 130 140 150

En1A Rounds Precision Ground Stock

Size
(ins. dia)
1/4 3/8 1/2 5/8 3/4 7/8 1 1 1/4 1 3/8 1 1/2 1 3/4 2 2 1/4 2 1/2
3 Tolerances: up to 1" dia +/- 0.00025"
 
Size
(mm dia)
4 6 8 10 12 15 16 20 25 30 35 40 50  
Tolerances:
4mm to 30mm dia. +0mm/-0.0127mm
35mm to 50mm dia. +0mm/-0.0254mm

En1A Rounds Hot Rolled

Size (mm dia) 60 65 70 75 80 85 90 95 100 105 110 115 120 125
130 135 140 145 150 155 160 165 170 180 190 200 210 220

En1A Hexagons Bright Drawn

Size (ins. A/F) 0.193 0.248 0.312 0.324 0.375 0.437 0.445 0.500 0.525 0.562 0.600 0.625 0.687 0.710
0.750 0.812 0.820 0.875 0.920 0.937 1.000 1.010 1.062 1.100 1.125 1.200 1.250 1.300
1.312 1.480 1.500 1.625 1.670 1.860 2.050 2.220 2.410 2.580 2.760 3.150 3.550  
Size (mm A/F) 5 6 7 8 10 11 12 13 14 15 16 17 18 19
20 22 24 25 26 27 30 32 35 36 41 46 50 55
60 65 70 75                    

En1A Squares Bright Drawn

Size (ins. sq) 3/16 1/4 5/16 3/8 7/16 1/2 9/16 5/8 3/4 7/8 1 1 1/8 1 1/4 1 3/8
1 1/2 1 3/4 2 2 1/4 2 3/4 3 3 1/4 3 1/2 4          
Size (mm sq) 5 6 7 8 10 12 14 15 16 18 20 22 25 30
32 40 45 50 60                  

En1A Imperial Flats

3/8 1/8
3/4 1/2
1 1/4, 3/8, 1/2, 5/8, 3/4
1 1/4 3/8, 1/2, 3/4, 7/8, 1
1 1/2 1/4, 3/8, 1/2, 5/8, 3/4, 1, 1 1/4
1 3/4 1, 1 1/4
2 1/4, 3/8, 1/2, 5/8, 3/4, 1, 1 1/4
2 1/2 3/8, 1/2, 1, 1 1/2, 1 3/4
3 3/8, 1/2, 3/4, 1, 11/2, 2
4 3/8, 1/2, 3/4, 1, 1 1/2, 2, 2 1/2, 3
5 1/2, 3/4, 1, 1 1/4, 1 1/2, 2, 3
6 1/4, 3/8, 1/2, 5/8, 1, 1 1/4, 1 1/2, 2
8 1/2, 3/4, 1, 1 1/4, 1 1/2
10 1/2, 3/4, 1
12 1/2. 1

En1A Mild Steel Metric Flats

10 mm 3, 5 mm
12 mm 3, 5, 6 mm
13 mm 3 mm
16 mm 3 mm
20 mm 3, 5, 6, 8, 10, 12
25 mm 3, 5, 6, 8, 10, 12, 16, 20
30 mm 3, 5, 6, 8, 10, 12, 16, 20, 25
40 mm 3, 5, 6, 8, 10, 12, 16, 20, 25, 30
50 mm 3, 5, 6, 8, 10, 12, 16, 20, 25, 30
60 mm 3, 6, 8, 10, 12, 16, 20, 25, 30
70 mm 3, 5, 6, 8, 10, 12, 16, 20, 25
80 mm 5, 6, 8, 10, 12, 16, 20, 25
90 mm 6, 10, 12, 16
100 mm 3, 5, 6, 8, 10, 12, 16, 20, 25, 30, 40, 50
125 mm 10, 25, 50
150 mm 6, 10, 12, 16, 20, 25, 30, 40, 50 
200 mm 10, 12, 20, 25, 30, 50

 

EN1A, AISI 1113, 230M07, Werkstoff 1.0711

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

Steel Weight Calculator >>

Other engineering steel grades: En1A, En3B, En8, En9, En14, En16, En19, En24, EN24T, En36

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Steel Express

Based in Wolverhampton, West Midlands, Steel Express are steel suppliers and stockholders. Stock is delivered on our own fleet of vehicles locally and nationally quickly and efficiently on the day we say we will.

We also provide a free issue cutting service, press braking, fabrication and forging.

 



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