imarku 10-Inch Bread Knife: Japanese High Carbon Stainless Steel

A good bread knife needs to glide through a crusty loaf without crushing the interior crumb, and it needs to do so reliably over time. The imarku 10-inch bread knife is engineered with specific material choices and heat treatment designed to address these demands. Whether you're slicing artisan loaves, bagels, or layered cakes, understanding what goes into this tool can help you decide if it fits your kitchen needs.

Blade Construction and Performance

The blade is made from high carbon stainless steel with a carbon content of 0.26%-0.35% and chromium content of 12%-14%. This composition is heat-treated to HRC 53±1, a hardness rating that positions the blade between soft and brittle extremes. The 2.3mm blade thickness is a deliberate balance—thick enough to resist flexing and twisting, yet thin enough to maintain sharpness for clean cuts.

The serrated edge with a single-bevel design and 1cm tip is specifically configured for bread slicing. The knife's cutting performance metrics include an ICP (Initial Cutting Pressure) rating greater than 70, meaning you won't need to force the blade through dense crusts. A TCC (Thermal Cracking Coefficient) greater than 280 indicates the blade resists the stress from temperature fluctuations during daily use and washing.

• High carbon stainless steel blade (0.26%-0.35% carbon, 12%-14% chromium)
• Heat-treated to HRC 53±1 hardness
• Oil-tempered for durability
• Laser-etched finish to reduce food sticking

Handle and Safety Features

The handle is constructed from 430 stainless steel (16%-18% chromium) with a 1.2mm thickness, designed to be corrosion-resistant in humid kitchen environments. At 210g±5g total, the knife is lightweight, which reduces fatigue during extended cutting sessions. The ergonomic shape combines with an anti-slip texture to provide a secure grip even when hands are wet.

Safety considerations include rounded corners on the handle to minimize accidental cuts when handling or storing the knife. The corrosion-resistant construction makes it suitable for frequent washing without degradation.

Practical Versatility

This 10-inch knife works across multiple applications. Beyond bread, the design handles cakes, bagels, and even tougher items like steaks or fruits. The single-bevel blade allows for controlled, precise cuts rather than sawing motions. Its lightweight and compact form make it practical for home baking, professional kitchen work, and portability for outdoor use or small spaces.

If you regularly slice bread at home or need a dedicated tool for cakes and baked goods, this knife offers transparent specifications and deliberate engineering choices. The combination of material composition, heat treatment, and ergonomic design suggests it's built for consistent cutting performance over time.

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