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Suwada Blog

Japanese Santoku knife with an Aogami #2 core and stainless-steel cladding

Does Aogami Steel Rust? Patina, Prevention & Care
Yes. Aogami is reactive carbon-alloy steel and can rust when left wet, salty or acidic. Prompt washing and drying prevent most problems; a stable patina is not the same as active rust.

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Japanese Petty knife with an Aogami #2 core and stainless-steel cladding

Aogami vs Stainless Steel: Care, Sharpening & Edge Life
Aogami is a reactive carbon-alloy steel that needs prompt drying; stainless knife steels are more corrosion resistant. Edge retention and toughness depend on the exact steel, heat treatment and geometry.

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Japanese Santoku knife with an Aogami #2 core and stainless-steel cladding

Aogami #2 vs Aogami Super: What Changes?
Aogami #2 and Aogami Super are both reactive Yasugi alloy steels. Aogami Super adds vanadium and targets higher wear resistance, while real knife performance still depends on heat treatment and geometry.

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1000-grit sharpening stone used for kitchen knife edge maintenance

Can You Use a Whetstone on a VG10 Knife?
Yes. Water stones are an excellent way to sharpen VG10. A medium stone around 1000 grit handles routine maintenance, while coarser or finer stones can be added depending on edge condition and finish.

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1000-grit whetstone used to sharpen a Japanese kitchen knife

How Hard Is VG10 to Sharpen at Home?
VG10 is not unusually difficult to sharpen at home when you use appropriate water stones and follow the existing edge. It may take longer than simpler carbon steels, but it responds well to normal sharpening technique.

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Santoku kitchen knife showing a layered Damascus blade pattern

VG10 vs Damascus Steel: What Is the Difference?
VG10 is a specific stainless blade steel. Damascus describes layered or patterned construction, not one steel grade. A knife can therefore have a VG10 cutting core with Damascus cladding.

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Damascus-pattern Santoku kitchen knife with a polished cutting edge

VG10 vs Carbon Steel: Care, Sharpening & Edge Life
VG10 is a stainless cutlery steel with strong corrosion resistance; traditional carbon steels are more reactive. The practical differences are care, patina and sharpening feel—not a universal winner on edge retention.

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Serrated kitchen knife showing individual scallops along the edge

Can You Sharpen a Serrated Knife at Home?
Yes, if the serrations are simple and intact. Use a tapered rod that fits each scallop, follow the existing bevel, work one groove at a time and deburr the flat side lightly.

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Serrated kitchen knife with visible scalloped cutting edge

Can You Sharpen a Bread Knife?
Yes. Serrated bread knives can be sharpened, but not like plain-edge knives. Each scallop usually needs individual work with a tapered rod, followed by light deburring on the flat side.

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Bread beside a kitchen knife on a wooden cutting board

Serrated vs Straight Edge for Bread: What Is the Difference?
Serrated bread knives bite through hard crust with less downward pressure, while a very sharp straight edge can give exceptionally clean cuts on softer loaves but needs more careful edge maintenance.

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Bread and a kitchen knife on a wooden cutting board

Japanese Bread Knife Guide
A bread knife uses a long serrated or wavy edge to cut crust without crushing the crumb. This guide explains blade length, serrations, technique, sharpening and care.

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240 mm Sujihiki slicing knife shown with full blade length visible

What Sujihiki Length Should You Choose? 240 vs 270 vs 300 mm
Common Sujihiki lengths are 240, 270 and 300 mm. Choose by board space, protein size and how much blade travel you need to finish a slice in one draw.

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