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Steel & Metallurgy Hub: Explore the Art and Science of Japanese Knife Steels

Delve into the world of Japanese knife steels — from centuries-old white and blue steels to modern powdered alloys. This hub brings together Hasu-Seizo’s featured articles on metallurgy, forging techniques, and the unique properties that shape every blade’s performance. Whether you’re curious about steel composition or comparing VG-10 and SG2, discover the knowledge behind Japan’s finest craftsmanship.

The Ultimate Guide to Japanese Knife Steels: From White Steel to Powdered Alloys
Featured Guide

The Ultimate Guide to Japanese Knife Steels: From White Steel to Powdered Alloys

From White and Blue carbon steels to modern stainless options like VG-10 and ZA-18, and high-tech powdered alloys like SG2, this guide explores the...
November 21, 2025
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Steel Guides

Learn more about specific steels!

High Carbon

Sold outJapanese Brass Folding Pocket Knife Blade Aoniko Higonokami (Blue Steel #2) Nagao Kanekoma by Hasu-SeizoJapanese Brass Folding Pocket Knife Blade Aoniko Higonokami (Blue Steel #2) Nagao Kanekoma by Hasu-Seizo
Higonokami Aoniko (Blue Steel #2) Brass Folding Pocket Knife Sale priceFrom $39.00
(4.5)
Sold outKitchen Knives - Sakai Takayuki Santoku 170mm (6.7") Kurouchi Aoniko / Blue Steel #2Kitchen Knives - Sakai Takayuki Santoku 170mm (6.7") Kurouchi Aoniko / Blue Steel #2
Sakai Takayuki Santoku 170mm (6.7") Kurouchi Aoniko / Blue Steel #2 Sale price$199.00
(5.0)
Kitchen Knives - Sakai Takayuki Nakiri Knife 170mm (6.7") Kurouchi Aoniko / Blue Steel #2Kitchen Knives - Sakai Takayuki Nakiri Knife 170mm (6.7") Kurouchi Aoniko / Blue Steel #2
Sakai Takayuki Nakiri Knife 170mm (6.7") Kurouchi Aoniko / Blue Steel #2 Sale price$229.00
(5.0)
Sold outKitchen Knives - Sakai Takayuki Kengata Santoku 160mm (6.3") Aogami Super Kurouchi Hammered FinishKitchen Knives - Sakai Takayuki Kengata Santoku 160mm (6.3") Aogami Super Kurouchi Hammered Finish
Sakai Takayuki Kengata Santoku 160mm (6.3") Aogami Super / Blue Super Kurouchi Hammered Finish Sale price$299.00
(5.0)
Sold outKitchen Knives - Sakai Takayuki Gyuto Kurouchi Aoniko / Blue Steel #2 210mm (8.3") Japanese Chef KnifeKitchen Knives - Sakai Takayuki Gyuto Kurouchi Aoniko / Blue Steel #2 210mm (8.3") Japanese Chef Knife
Sakai Takayuki Gyuto Japanese Chef Knife 210mm (8.3") Kurouchi Aoniko / Blue Steel #2 with Walnut Handle Sale price$279.00
(4.7)
Sold outKitchen Knives - Sakai Takayuki Gyuto Kurouchi Hammered Finish Aogami Super 210mm (8.3") /240mm(9.4") Japanese Chef KnifeKitchen Knives - Sakai Takayuki Gyuto Kurouchi Hammered Finish Aogami Super 210mm (8.3") /240mm(9.4") Japanese Chef Knife
Sakai Takayuki Gyuto Kurouchi Hammered Finish Aogami Super 210mm (8.3") /240mm(9.4") Japanese Chef Knife Sale priceFrom $329.00
(5.0)
Sold outHigonokami Kabazaiku Sakura Cherry Bark Aoniko (Blue Steel #2) Folding Pocket KnifeHigonokami Kabazaiku Sakura Cherry Bark Aoniko (Blue Steel #2) Folding Pocket Knife
Higonokami Kabazaiku Sakura Cherry Bark Aoniko (Blue Steel #2) Folding Pocket Knife Sale price$149.00
(5.0)
Sold outKitchen Knives - Sakai Takayuki Kengata Petty Knife Homura Guren Aoniko / Blue Steel #2 150mm (5.9")Kitchen Knives - Sakai Takayuki Kengata Petty Knife Homura Guren Aoniko / Blue Steel #2 150mm (5.9")
Sakai Takayuki Kengata Petty Knife Homura Guren Aoniko / Blue Steel #2 150mm (5.9") Sale price$299.00
(5.0)
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Kitchen Knives - Sakai Takayuki Deba Knife With Buffalo Horn Handle White Steel 135mm (5.3") - 210mm (8.2")Kitchen Knives - Sakai Takayuki Deba Knife With Buffalo Horn Handle White Steel 135mm (5.3") - 210mm (8.2")
Sakai Takayuki Deba Knife with Buffalo Horn Handle White Steel 135mm (5.3") - 210mm (8.2") Sale priceFrom $169.00
Kitchen Knives - Sawakazuma Sabaki / Boning Knife Shironiko Damascus Rosewood HandleKitchen Knives - Sawakazuma Sabaki / Boning Knife Shironiko Damascus Rosewood Handle
Sawakazuma Sabaki / Boning Knife Shironiko Damascus Rosewood Handle Sale priceFrom $219.00
Sold outIsamitsu Shirogami #1 / White Steel #1 Paring Knife 90 mm / 3.5" Hasu-Seizo Exclusive Special EditionIsamitsu Shirogami #1 / White Steel #1 Paring Knife 90 mm / 3.5" Hasu-Seizo Exclusive Special Edition
Isamitsu Shirogami #1 / White Steel #1 Paring Knife 90 mm / 3.5" Hasu-Seizo Exclusive Special Edition Sale price$419.00
Color
(5.0)
Kitchen Knives - Sakai Takayuki Takohiki Slicer Knife With Buffalo Horn Handle White Steel #2 Kasumi Togi Sakai TakayukiKitchen Knives - Sakai Takayuki Takohiki Slicer Knife With Buffalo Horn Handle White Steel #2 Kasumi Togi Sakai Takayuki
Sakai Takayuki Takohiki Slicer Knife with Buffalo Horn Handle White Steel #2 Kasumi Togi Sakai Takayuki Sale priceFrom $169.00
(5.0)
OUL Nakiri Shirogami #1 / White Steel #1 Stainless Clad 165 mm (6.5") Burnt Oak HandleOUL Nakiri Shirogami #1 / White Steel #1 Stainless Clad 165 mm (6.5") Burnt Oak Handle
OUL Nakiri Shirogami #1 / White Steel #1 Stainless Clad 165 mm (6.5") Burnt Oak Handle Sale price$349.00
Kitchen Knives - Sakai Takayuki Kamagata Usuba Knife With Buffalo Horn Handle White Steel 180mm (7.1")Kitchen Knives - Sakai Takayuki Kamagata Usuba Knife With Buffalo Horn Handle White Steel 180mm (7.1")
Sakai Takayuki Kamagata Usuba Knife with Buffalo Horn Handle White Steel 180mm (7.1") /210mm (8.2") Sale priceFrom $189.00
(5.0)
Sawakazuma Narukami Shironiko Nakiri Knife 165 mm / 6.5" Maple and Renghas HandleSawakazuma Narukami Shironiko Nakiri Knife 165 mm / 6.5" Maple and Renghas Handle
Sawakazuma Narukami Shironiko Nakiri Knife 165 mm / 6.5" Maple and Renghas Handle Sale price$229.00
Kitchen Knives - OUL Petty Shirogami #1 / White Steel #1 Stainless Clad 135 Mm / 5.3" Burnt Oak HandleKitchen Knives - OUL Petty Shirogami #1 / White Steel #1 Stainless Clad 135 Mm / 5.3" Burnt Oak Handle
OUL Petty Shirogami #1 / White Steel #1 Stainless Clad 135 mm / 5.3" Burnt Oak Handle Sale price$229.00
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Stainless Steel Knives

Kitchen Knives - Sakai Takayuki Gyuto Japanese Chef Knife 210mm (8.3") / 240mm (9.4") Damascus 33 LayerKitchen Knives - Sakai Takayuki Gyuto Japanese Chef Knife 210mm (8.3") / 240mm (9.4") Damascus 33 Layer
Sakai Takayuki Gyuto Japanese Chef Knife 210mm (8.3") / 240mm (9.4") Damascus 33 Layer Sale priceFrom $179.00
(5.0)
Sold outKitchen Knives - Sakai Takayuki Santoku Knife 170mm (6.7") Damascus 33 LayerKitchen Knives - Sakai Takayuki Santoku Knife 170mm (6.7") Damascus 33 Layer
Sakai Takayuki Santoku Knife 170mm (6.7") Damascus 33 Layer Sale price$189.00
(5.0)
Kitchen Knives - Sakai Takayuki Gyuto Japanese Chef Knife 180mm (7.1") / 210mm (8.3") Damascus Mirror 45 LayerKitchen Knives - Sakai Takayuki Gyuto Japanese Chef Knife 180mm (7.1") / 210mm (8.3") Damascus Mirror 45 Layer
Sakai Takayuki Gyuto Japanese Chef Knife 180mm (7.1") / 210mm (8.3") Damascus Mirror 45 Layer Sale priceFrom $169.00
(5.0)
Sold outKitchen Knives - Sakai Takayuki Petty / Paring Knife 80mm (3.2") Damascus 33 LayerKitchen Knives - Sakai Takayuki Petty / Paring Knife 80mm (3.2") Damascus 33 Layer
Sakai Takayuki Petty / Paring knife 80mm (3.2") Damascus 33 Layer Sale price$109.00
(4.7)
Sold outKitchen Knives - Sakai Takayuki Santoku Knife 180mm (7.1") Damascus 33 LayerKitchen Knives - Sakai Takayuki Santoku Knife 180mm (7.1") Damascus 33 Layer
Sakai Takayuki Santoku Knife 180mm (7.1") Damascus 33 Layer Sale price$189.00
(5.0)
Sold outKitchen Knives - Sakai Takayuki Gyuto Japanese Chef Knife 180mm (7.1") / 210mm (8.3") Damascus 45 Layer With Walnut HandleKitchen Knives - Sakai Takayuki Gyuto Japanese Chef Knife 180mm (7.1") / 210mm (8.3") Damascus 45 Layer With Walnut Handle
Sakai Takayuki Gyuto Japanese Chef Knife 180mm (7.1") / 210mm (8.3") Damascus 45 Layer with Walnut Handle Sale priceFrom $189.00
(5.0)
Sold outkitchen knives sakai takayuki 33Kitchen Knives - Sakai Takayuki 33 Layer Damascus Nakiri Knife 160mm (6.3")
Sakai Takayuki 33 Layer Damascus Nakiri Knife 160mm (6.3") Sale price$189.00
(5.0)
Sold outKitchen Knives - Sakai Takayuki Gyuto Japanese Chef Knife 180mm (7.1") Damascus 33 LayerKitchen Knives - Sakai Takayuki Gyuto Japanese Chef Knife 180mm (7.1") Damascus 33 Layer
Sakai Takayuki Gyuto Japanese Chef Knife 180mm (7.1") Damascus 33 Layer Sale price$169.00
(5.0)
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HASU-SEIZO'S JAPANESE KNIFE BUYING GUIDE - STEEL TYPES

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