Tool Steel
H 13 BS EN ISO 4957
Description:
H-13 Tool Steel is the most popular and most versatile, hot work tool steel, providing a good balance of toughness, heat check resistance, high temperature strength and moderate wear resistance.
Applications include: Tools used in the processing of light metal alloys, hot extrusion tools, die casting tools, forming dies, die inserts, hot shear knives and tools for the plastics industry.
Colour Code

Steel Number | Steel Name | Grade | Bohler | BS 970 1983 |
---|---|---|---|---|
1.2344 | X40CrMoV5-1 | H 13 | W302 | - |
C | Si | Mn | Cr | Mo | V | P | S |
---|---|---|---|---|---|---|---|
0.40 | 1.00 | 0.35 | 5.30 | 1.40 | 1.0 | 0.03 | 0.03 |
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Rounds | Rounds | Rounds | Rounds | Rounds | Rounds | Rounds | Rounds |
(mm) | (mm) | (mm) | (mm) | (mm) | (mm) | (mm) | (mm) |
20.50 | 32.80 | 45.00 | 60.80 | 76.00 | 91.00 | 101.60 | 150.00 |
25.40 | 35.00 | 50.00 | 63.50 | 81.00 | 96.00 | 110.00 | 175.00 |
30.00 | 40.00 | 50.80 | 70.00 | 86.00 | 100.00 | 126.50 | 200.00 |
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Disclaimer
All data provided is for information and guidance only. Information above is not for design purposes and comes without warranty or guarantee with respect to the subject matter or fitness for purpose.