01 Tool Steel Bar

O1 Tool Steel Bar is a general-purpose oil hardening tool steel. This manganese-chromium tungsten steel is suitable for a wide range of cold work applications. O1 tool steel bar is characterized by good machinability, good dimensional stability in hardening and a good combination of high surface hardness and toughness after proper heat treatment. These characteristics combine to give steel suitable for the manufacture of tooling with good tool life and production economy.

Applications include Cutting Tools for Blanking, punching, piercing, cropping, shearing, trimming. Short cold shears, clipping and trimming tools. Forming Tools for Bending, raising, drawing, rim rolling, spinning and flow forming, small coining dies, gauges, measuring tools, guide bushes, ejector pins, high duty small to medium drills and taps, small gear wheels, pistons, nozzles, cams.

To view 01 Tool Steel chemical analysis, specification or shapes & sizes please click on the tabs below.

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Rounds (mm)
20.00
25.00
30.00
35.00
40.00
45.00
50.00
55.00
60.00
65.00
70.00
75.00
80.00
85.00
90.00
95.00
100.00
105.00
110.00
115.00
120.00
125.00
130.00
135.00
140.00
145.00
150.00
155.00
160.00
165.00
170.00
175.00
180.00
185.00
190.00
195.00
200.00
205.00
210.00
215.00
220.00
225.00
230.00
235.00
240.00
245.00
250.00

This is our standard size range. If you do not see the shape, size or grade you require, please contact us as we will be happy to assist you with reaching your requirements.

Steel NumberSteel NameGradeBohlerUNSMaterial Standard
1.251095MnWCr501K460T31501ASTM A681
CWMnCr
0.950.61.10.6

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