Complete Guide to Japanese Grooming Scissors Steel Types

For professional groomers investing in premium Japanese scissors, understanding steel is everything. The steel determines how sharp your blades get, how long they stay sharp, and how the scissors feel in your hand after a full day of grooming. Here's what you need to know.

Why Steel Type Matters in Professional Grooming

Not all scissors are created equal — and the biggest reason comes down to the steel. Japanese grooming scissors are renowned worldwide because Japanese steel manufacturing has been refined over centuries, originally in the art of sword-making. That same precision and metallurgical expertise is now applied to professional grooming tools.

When you're cutting through dense double coats, working on fine silky terrier hair, or sculpting a poodle's topknot, the steel in your scissors determines whether you're working with the coat or fighting against it.

V10 Cobalt Steel — The Professional's Choice

V10 Cobalt is widely regarded as one of the finest steels available in professional grooming scissors. It's a high-carbon, cobalt-alloy steel developed in Japan that achieves exceptional hardness — typically 62–64 on the Rockwell hardness scale (HRC).

What this means for groomers:

• Razor-sharp edge: V10 Cobalt can be ground to an extremely fine cutting edge, making it ideal for precision scissoring and detailed finish work.
• Outstanding edge retention: The hardness means the blade holds its sharpness significantly longer than softer steels, reducing how often you need to sharpen.
• Smooth cutting action: The cobalt content gives the steel a refined grain structure, resulting in a cleaner, quieter cut through the coat.
• Best for: Experienced groomers doing high-volume work who want a blade that performs consistently throughout a long working day.

UTSUMI's V10 Cobalt scissors represent the pinnacle of the range — tools built for professionals who demand the very best.

ATS314 Steel — The Versatile All-Rounder

ATS314 (also written as ATS-314) is a premium stainless steel developed by Hitachi Metals in Japan. It's a powder metallurgy steel, meaning the metal particles are extremely uniform in size, resulting in a consistent, high-quality blade.

What this means for groomers:

• Excellent sharpness: ATS314 achieves a very fine edge, comparable to V10 Cobalt for most grooming applications.
• Good corrosion resistance: The higher chromium content makes ATS314 more resistant to moisture and humidity — important in a busy grooming salon.
• Slightly more forgiving: ATS314 is marginally less brittle than V10 Cobalt, making it a good choice for groomers who are building their scissor skills.
• Best for: Professional groomers who want premium Japanese performance with excellent durability and corrosion resistance.

440C Steel — The Reliable Foundation

440C is a high-carbon martensitic stainless steel and one of the most widely used steels in professional scissors worldwide. While it sits below V10 Cobalt and ATS314 in terms of ultimate hardness, quality 440C scissors — particularly those made in Japan — are still excellent professional tools.

What this means for groomers:

• Good sharpness: 440C achieves a solid working edge suitable for all standard grooming tasks.
• Strong corrosion resistance: The high chromium content makes 440C very resistant to rust and staining.
• Easier to sharpen: The lower hardness means 440C scissors are simpler to sharpen and maintain.
• Best for: Groomers looking for a reliable, durable everyday scissor that's easy to maintain.

Comparing the Steels at a Glance

Which Steel Should You Choose?

If you're a full-time professional groomer doing high volumes of work and want the absolute best performance, V10 Cobalt is the steel to invest in. The edge retention alone means fewer trips to the sharpener, which more than justifies the investment over time.

If you want premium Japanese performance with excellent corrosion resistance — particularly important in humid salon environments — ATS314 is an outstanding choice that will serve you brilliantly throughout your career.

If you're building your scissor collection or looking for a reliable workhorse that's easy to maintain, 440C from a quality Japanese manufacturer delivers excellent results.

A Note on Buying Authentic Japanese Steel Scissors

The steel type is only as good as the manufacturing behind it. As the official UTSUMI distributor for the UK and Ireland, every pair of scissors we sell is guaranteed authentic — made in Japan to UTSUMI's exacting standards. Counterfeit and low-quality scissors are often mislabelled with premium steel names, so buying from an authorised distributor is the only way to be certain you're getting what you pay for.

Browse our full range of UTSUMI scissors by steel type →