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Hatsukokoro  |  SKU: HS-ST-B2KU-SA195

Hatsukokoro Sentan Blue 2 Stainless Clad Large Santoku 190mm

Sale price $3,850.00 Regular price $4,529.00

IMPORTANT: Carbon steel knives can rust or patina quickly if not cared for properly. They require regular cleaning, drying, and oiling. If you are unfamiliar with carbon steel maintenance, we recommend choosing a stainless steel option instead.

Add a saya or K&S Knife Roll to receive $20 bundle discount!

Detailed Specifications
Line Sentan Blue 2 Kurouchi Stainless Clad
Profile Chuka (Cleaver) / Chinese Cleaver
Bevel Type Double Bevel
Weight 405 g | 14.3 oz
Edge Length 195 mm | 7 43/64″
Heel Height 94 mm | 3 45/64″
Width @ Spine 5.9 mm | 15/64″
Width @ Mid 4.6 mm | 3/16″
Width @ 1cm from Tip 1.8 mm | 5/64″
Steel Blue 2 / Aogami #2 | Carbon
Blade Construction Sanmai - Stainless Clad
Hardness (HRC) 61 - 63
Surface Finish Kurouchi
Handle Cleaver Handle
Region Other
Best for
  • Pro chefs
  • Students
    • Free shipping for knives over AU$200 Australia wide.
    • World-wide shipping via DHL Express, 3 to 5 days.


    Sentan Blue 2 Kurouchi Stainless Clad series is the sister line of the White 2 cleavers under the same brand, it keeps the low maintenance stainless Sanmai structure, changes the core steel to the Blue 2 and now has a more uniform Kurouchi finish. Featuring a variety of different profiles, this is a line that can easily fulfil your need for Chinese cleavers regardless of the specific task you need to complete.

    There is an existing blank in the market of Chinese cleavers. From what we can see, Japanese makers rarely forge this type of knife and they tend to create a blade that has a different sectional profile compared to Chinese ones. This leads to different cutting behaviour and often heavier weight. On the other hand a reputable maker like CCK would forge their knife down to the thickness of a leaf with excellent cutting performance and balance, but the lower edge retention and high maintenance can often put off many potential users.

    This is a line that is designed in house by Knives and Stones to fulfil this blank, our aim was to create a series of authentic Chinese cleavers, while incorporating the characteristics and performances you would find on a fine Japanese knife. We chose the classic Hitachi Blue 2 carbon steel for its high carbon content, then a layer of stainless cladding was forged on each side to create a low maintenance blade. As a result, we get an aggressive cutting  edge made with a pretty hard carbon steel that is only exposed on the very edge of the blade, most of the blade would be free from rusting or patina and even if the exposed carbon steel rusts, they can be removed easily by sharpening.

    The blade is forged into shape before the final bevel is put on, and by looking at the front of the knife, you can see there is a “S” shape contour on each side of the blade. The spine starts thick, giving the knife the stiffness it needs when doing precise cut, it then tapers down to reduce the weight of the blade so it is not tiring to cut for an extensive amount of time. The blade then thickens up again at the beginning of the bevel, this allows it to have some volume so it can build the geometry that we desire.

    We chose a rather strong convex grind as the primary bevel geometry, it emphasises on food release rather than low thickness behind the edge. When slicing with these knives, there will be a very positive release, the slice of food will curl sideways and fall off the blade easily without much chance of sticking to the side of the knife. The wedging issue can be mitigated by the cutting method, as the common way of cutting with Chinese cleaver is a strong push cut, the momentum of the blade can usually push through the food without getting stuck halfway.

    This line offers two different profiles other than the standard 175mm and 195mm rectangular cleavers. The bone hacking cleaver with a raised tip and thickened edge allows more energy delivered in the chopping motion while having the necessary strength to cut through some decent sized bones without chipping (like chicken or duck bones). The “Tall Santoku” is more useful in butchery, having a more clearly defined tip allows it to perform precise dissection and carving in these scenarios.

    This Blue 2 line is our answer to the demand of a great workhorse chinese cleaver, it combines many features we believe are useful and it also offers many different profiles to fit the needs of different users. I have to mention they are not the most beautiful knives you can find because at the end of the day, they are still hand forged products. We opt for performance and value instead of beauty, so you can get these very organic looking, great performing knives at a very reasonable price.

    Pros Cons
  • Great for professionals
  • Workhorse grind
  • Budget friendly
  • Fit and finish can be improved
  • Prone to rust

  • Care Instruction
    1. Don't cut hard things! Japanese knives are brittle so bone hacking is a NO NO!
    2. Wash with neutral detergent after use, and wipe dry;
    3. Please don't wash knife with dishwasher, it will damage the wood handle;
    4. Be careful not to leave the knife close to a heat source for a long time;
    5. It is a lot more dangerous to cut with a blunt knife than a sharp knife!
    6. It is best to sharpen a Japanese knife regularly on a waterstone.
    7. Oil the (carbon) knife if storing for an extended period of time to prevent rust.

    Knives and Stones (K&S)

    Established in 2014 and based in Sydney, Australia, Knives and Stones (K&S) has grown into the country’s leading premium kitchen knife retailer, with a reputation recognized worldwide. Through close relationships with renowned Japanese blacksmiths, K&S directly imports some of the most sought-after Japanese kitchen knives, offering unmatched authenticity and value.

    Founder James Zhang’s Chinese heritage also brings a unique dimension to the business: collaborating with Chinese craftsmen to forge high-performance cleavers using premium Japanese steels—what James proudly calls “the real deal.”

    • Profile: Chuka (Cleaver)

      Chinese Cleaver

      The Chuka Bocho, or Chinese cleaver, is a large, versatile knife central to Chinese cooking, featuring a broad, rectangular blade. Beyond its primary functions of slicing, dicing, and chopping vegetables and meat, its wide blade also excels at scooping up prepared ingredients for easy transfer from cutting board to pan. Despite its formidable size, it is not intended for cutting through bone, but rather for precision tasks and handling both fine and heavy-duty chopping. Blade lengths typically range from 180mm to 220mm, offering a generous cutting surface. This knife's unique blend of functionality, including its ability to scoop up ingredients, makes it an indispensable tool in kitchens, especially where quick and precise preparation of large ingredient volumes is essential.

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    • Steel: Blue 2 / Aogami #2

      Blue Steel No.2, also recognized as Aogami No.2, is a distinguished high carbon steel produced by Hitachi Metals Ltd, enhanced by the addition of chromium and tungsten to the base of White Steel No.2. This modification brings about an improvement in toughness and the creation of hard carbide molecules, which significantly boost edge retention. Although its sharpness is comparable to that of White Steel No.2, Blue Steel No.2 offers a slight advantage in maintaining its edge.

      Widely favored for its versatility, Aogami No.2 is celebrated for its ease of sharpening and robust resistance to chipping, making it an ideal choice for those new to Aogami steel knives. Containing 1.0–1.2% carbon and achieving a typical hardness of 62–63 HRC on the Rockwell scale, it stands as the benchmark in evaluating Aogami steel cutlery.

      Manufacturer:

      • Hitachi Special Steel, Japan

      Nature: Carbon

      Hardness: 61- 63

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    • Construction: Sanmai - Stainless Clad

      Sanmai(Three-Piece) is a common construction for double bevel knives where two pieces of softer cladding steel are forgewelded to each side of a harder core steel. The harder but more brittle core steel will form the hard cutting edge after heat treating, and the softer cladding will support the core to increase the overall strength of the blade.

      The soft cladding enables the thinning process to be a lot easier than a honyaki or monosteel construction. And in the case where the cladding steel are stainless in nature, it can offer protection for the carbon or semi-stainless cores against rusting and discoluoring.

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    • Finish: Kurouchi

      Kurouchi refers to the rustic, unpolished finish found on the blade of many traditional Japanese kitchen knives. This blacksmith's finish is characterized by its dark, textured appearance, which is the result of leaving the blade forge-scale on the steel during production. Kurouchi finish not only adds a unique aesthetic appeal but also provides certain practical benefits. It acts as a protective layer against rust and corrosion, and helps to reduce food sticking to the blade during cutting. Commonly seen on high-quality, hand-forged knives, the kurouchi finish emphasizes the artisanal nature of the knife and its heritage, making each piece distinctively unique.

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    • Handle Specs

      Profile: Chinese Cleaver Handle

      Material:

      • Ho Wood

      Traditional chinese cleaver handle, short but very easy to grip. Designed to hold with two fingers on the blade and three fingers wrapping around the small handle. The short lenght is to balance the knife into a more blade heavy position which is a desired balance point for Chinese cleavers.

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