The most characteristic aspect of the O-1 variety of tool steel is that they are quenched in oil during production. This tool steel series has a considerable carbon content range, which might vary between 0.85-2.00%. Also, with a high degree of abrasion resistance, this variety is considerably tough. The oil “non-shrinking” oil hardening tool steel is a general-purpose metal. Typically, it has its utilities in applications where the other groups of alloy steel cannot offer the needed degree of strength, wear resistance and hardness. If that makes you consider whether it can be your tool steel of choice, then you might use the following pointers.
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Why O1 Steel?
The o-1 tool steel variety is suitable for various applications because of it’s:
- Versatility: The steel gives a fair balance of toughness, wear resistance and hardness, something not all steel groups can offer.
- Non-deformity: Steel is a popular choice for its dimensional stability, while heat treatment is not available. This is essential to maintain precision during the production of a workpiece.
- High Rockwell C hardness: After heat-treating, the metal achieves an impressive hardness. This enhances its resistance power to abrasion and wear.
- Impact Resistance and Toughness: This makes it competent in managing vibrations and shock loads, even without fracturing.
- Less breakage: This aspect is vital for the tools often used for hardwearing applications.
- Superior Red Hardness: It can retain its cutting ability and hardness even at high temperatures. This allows for speedier cutting speeds and more efficient performance.
- Cost-Efficient: When compared to many of the other varieties of HSS, O-1 gives a fine balance of cost and performance.
- Versatility: O-1 is relatively easy to machine and form, making it suitable for various tool designs and manufacturing processes.
Importance of Rockwell C 65 Range
Perhaps one of the best features of the o-1 tool steel is its Rockwell C 65 range of hardness. It has a significantly elevated hardness level on the scale of Rockwell and is particularly designed for various steel varieties. A steel that has this hardness level is:
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- Hard enough to resist deformation, abrasion and scratching of any kind.
- Ideal for applications that need outstanding wear resistance. Such applications comprehend drill bits, cutting tools, and bearing components. It also works well for applications like cutting hard components or anything that requires high hardness.
- Helpful to extend the working life of the tool, all thanks to the better wear resistance.
However, while undoubtedly hard, this tool is also vulnerable to breakage under stress or strong impact or stress. This is because it has compromised toughness. Hence, it is important to heat treat this tool steel precisely.
Know the Applications
Owing to its unique properties, premier suppliers like TGKSSL often recommend the O-1 variety for high-quality applications like:
- Making bushings, master engraving rolls, collets, and chasers for cutting thread.
- Cutting tools include milling cutters, drills, taps and reamers.
- Dies and punches.
- Fixtures and gauges.
- Die and mould components.
The Key Takeaway
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