{"id":5504,"date":"2026-02-02T11:05:28","date_gmt":"2026-02-02T09:05:28","guid":{"rendered":"https:\/\/jnats.eu\/?post_type=product&#038;p=5504"},"modified":"2026-02-04T16:13:55","modified_gmt":"2026-02-04T14:13:55","slug":"japoniskas-kalvio-darbo-virtuvinis-peilis-is-tamahagane","status":"publish","type":"product","link":"https:\/\/jnats.eu\/en\/product-2\/japoniskas-kalvio-darbo-virtuvinis-peilis-is-tamahagane\/","title":{"rendered":"Japanese blacksmith's kitchen knife Tamahagane"},"content":{"rendered":"<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-9-16 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<div class=\"video-container\"><iframe title=\"Japanese blacksmith&#039;s kitchen knife Tamahagane\" width=\"563\" height=\"1000\" src=\"https:\/\/www.youtube.com\/embed\/4o8h8KzLRsI?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/div>\n<\/div><\/figure>\n\n\n\n<p>This is an authentic, hand-forged Japanese knife made of <strong>tamahagane type steel<\/strong> - the same traditional alloy that has been used in Japan for centuries to forge <strong>samurai swords (nihonto)<\/strong>. The blade is marked with characters:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u6700\u4e0a\u624b\u92fc - \u201epremium steel\u201c<\/strong><\/li>\n\n\n\n<li><strong>\u92fc\u821f\u935b\u4f5c - \u201eforged by Master K\u014dsh\u016b\u201c<\/strong><\/li>\n<\/ul>\n\n\n\n<p>This marking clearly indicates that the knife is made in the classic Japanese tradition of blacksmithing, where the metal is not only shaped, but also \u201ematured\u201c through a long cycle: repeated forging, thermal ageing and final finishing with natural stones.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">\ud83d\udd25 <strong>Tamahagane - the steel from which the katana is born<\/strong><\/h1>\n\n\n\n<p>Tamahagane is a traditional Japanese steel melted in a \u201etatara\u201c furnace from:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>iron sand (satetsu),<\/li>\n\n\n\n<li>Japanese charcoal,<\/li>\n\n\n\n<li>the extremely slow and precise firing process.<\/li>\n<\/ul>\n\n\n\n<p>This steel has been used for hundreds of years to forge:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>katana,<\/li>\n\n\n\n<li>wakizashi,<\/li>\n\n\n\n<li>tant\u014d,<\/li>\n\n\n\n<li>and high-end tools with the features needed for extreme sharpness and durability.<\/li>\n<\/ul>\n\n\n\n<p>Such steels are famous for:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u2714 high balance of hardness and ductility<\/h3>\n\n\n\n<h3 class=\"wp-block-heading\">\u2714 Extra sharpness and easy sharpening<\/h3>\n\n\n\n<h3 class=\"wp-block-heading\">\u2714 Homogeneous, clean carbide structure<\/h3>\n\n\n\n<h3 class=\"wp-block-heading\">\u2714 Durability and resistance to micro-cracking<\/h3>\n\n\n\n<h3 class=\"wp-block-heading\">\u2714 A unique \u201elive\u201c feeling during cutting<\/h3>\n\n\n\n<p>This knife perfectly captures the character of the traditional tamahaganee.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">\ud83d\udd2a <strong>Technical data<\/strong><\/h1>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Blade length:<\/strong> 275 mm<\/li>\n\n\n\n<li><strong>Height:<\/strong> 50 mm<\/li>\n\n\n\n<li><strong>Thickness:<\/strong> 2.40 mm \u2192 1.5 mm towards the tip<\/li>\n\n\n\n<li><strong>Handle length:<\/strong> 120 mm<\/li>\n\n\n\n<li><strong>Weight:<\/strong> 203 g<\/li>\n\n\n\n<li><strong>Steel:<\/strong> Traditional, tamahagane-type carbon steel (\u6700\u4e0a\u624b\u92fc)<\/li>\n\n\n\n<li><strong>Rankena:<\/strong>  tree<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">\ud83c\udf0b <strong>Advantages of sanded steel<\/strong><\/h1>\n\n\n\n<p>Like the tamahagane swords, this knife has the effect of \u201eageing\u201c the steel:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>after hardening the steel was <strong>Maturing<\/strong>, gradually releasing the stresses;<\/li>\n\n\n\n<li>it improves <strong>maintaining sharpness<\/strong>;<\/li>\n\n\n\n<li>Reduces <strong>risk of micro-cracks<\/strong>;<\/li>\n\n\n\n<li>allows the blade to be hard, but at the same time to cut \u201elive\u201c;<\/li>\n\n\n\n<li>natural patina acts as a <strong>corrosion protection<\/strong>.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">\ud83e\udeb5 <strong>Wooden handle<\/strong><\/h1>\n\n\n\n<p>Extremely strong and durable wood, used for centuries for tools and axes. Handle:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>impact-resistant,<\/li>\n\n\n\n<li>ensures good adhesion,<\/li>\n\n\n\n<li>provides balance and comfort.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">\ud83e\uddfc <strong>Sharpening and maintenance<\/strong><\/h1>\n\n\n\n<p>Ideal for:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Japanese natural stones (Awasedo, Ozuku, Nakayama, etc.)<\/strong><\/li>\n<\/ul>\n\n\n\n<p>Recommendations:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>always dry after use;<\/li>\n\n\n\n<li>protect against moisture;<\/li>\n\n\n\n<li>periodically lubricated with camellia or light mineral oil;<\/li>\n\n\n\n<li>do not polish the patina - it protects the blade.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">\ud83d\udce6 <strong>Condition<\/strong><\/h1>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Used knife<\/strong>.<\/li>\n\n\n\n<li>Minor surface corrosion removed, has residual scratches on blade<\/li>\n\n\n\n<li>Sharpening done <strong>natural Japanese stones<\/strong>, maintaining the original geometry of the master.<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p><!-- wp:list --><\/p>\n<ul class=\"wp-block-list\"><!-- wp:list-item --><\/p>\n<li><strong>Used knife<\/strong>.<\/li>\n<p><!-- \/wp:list-item --><\/p>\n<p><!-- wp:list-item --><\/p>\n<li>Minor surface corrosion has been removed, with some remaining scratches and corrosion damage on the blade.<\/li>\n<p><!-- \/wp:list-item --><\/p>\n<p><!-- wp:list-item --><\/p>\n<li>Sharpening done <strong>natural Japanese stones<\/strong>, maintaining the original geometry of the master.<\/li>\n<li><strong>Blade length:<\/strong> 130 mm<\/li>\n<li><strong>Height before handle:<\/strong> 22 mm<\/li>\n<p><!-- \/wp:list-item --><\/p>\n<p><!-- wp:list-item --><\/p>\n<li><strong>Thickness:<\/strong> 1,2 mm \u2192 0,1 mm towards the tip<\/li>\n<p><!-- \/wp:list-item --><\/p>\n<p><!-- wp:list-item --><\/p>\n<li><strong>Handle length:<\/strong> 115 mm<\/li>\n<p><!-- \/wp:list-item --><\/p>\n<p><!-- wp:list-item --><\/p>\n<li><strong>Weight:<\/strong> 64 g<\/li>\n<p><!-- \/wp:list-item --><\/p>\n<p><!-- wp:list-item --><\/p>\n<li><strong>Steel:<\/strong> traditional, tamahagane carbon steel (\u6700\u4e0a\u624b\u92fc)<\/li>\n<p><!-- \/wp:list-item --><\/p>\n<p><!-- wp:list-item --><\/p>\n<li><strong>Rankena:<\/strong> wooden<\/li>\n<p><!-- \/wp:list-item --><\/ul>\n<p><!-- \/wp:list --><\/p>","protected":false},"featured_media":5712,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[24],"product_tag":[76,26],"class_list":{"0":"post-5504","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-knifes","7":"product_tag-peilis","8":"product_tag-tamahagane","9":"product_shipping_class-light","11":"first","12":"outofstock","13":"shipping-taxable","14":"purchasable","15":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/jnats.eu\/en\/wp-json\/wp\/v2\/product\/5504","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/jnats.eu\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/jnats.eu\/en\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/jnats.eu\/en\/wp-json\/wp\/v2\/comments?post=5504"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/jnats.eu\/en\/wp-json\/wp\/v2\/media\/5712"}],"wp:attachment":[{"href":"https:\/\/jnats.eu\/en\/wp-json\/wp\/v2\/media?parent=5504"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/jnats.eu\/en\/wp-json\/wp\/v2\/product_brand?post=5504"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/jnats.eu\/en\/wp-json\/wp\/v2\/product_cat?post=5504"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/jnats.eu\/en\/wp-json\/wp\/v2\/product_tag?post=5504"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}