{"id":14172,"date":"2025-12-04T11:25:57","date_gmt":"2025-12-04T10:25:57","guid":{"rendered":"https:\/\/blog.arcos.com\/?p=14172"},"modified":"2026-01-28T07:43:38","modified_gmt":"2026-01-28T06:43:38","slug":"the-steel-that-brings-every-arcos-knife-to-life","status":"publish","type":"post","link":"https:\/\/blog.arcos.com\/en\/the-steel-that-brings-every-arcos-knife-to-life\/","title":{"rendered":"The steel that brings every Arcos knife to life"},"content":{"rendered":"

[et_pb_section fb_built=”1″ _builder_version=”4.22.2″ _dynamic_attributes=”background_image” _module_preset=”default” background_enable_color=”off” use_background_color_gradient=”on” background_color_gradient_direction=”1deg” background_color_gradient_stops=”rgba(0,0,0,0.89) 0%|rgba(0,0,0,0.35) 30%|rgba(0,0,0,0.2) 100%” background_image=”@ET-DC@eyJkeW5hbWljIjp0cnVlLCJjb250ZW50IjoicG9zdF9mZWF0dXJlZF9pbWFnZSIsInNldHRpbmdzIjp7fX0=@” background_blend=”overlay” custom_padding=”250px||0px||false|false” locked=”off” global_colors_info=”{}” theme_builder_area=”post_content”][et_pb_row column_structure=”1_4,1_2,1_4″ _builder_version=”4.19.5″ _module_preset=”default” locked=”off” global_colors_info=”{}” theme_builder_area=”post_content”][et_pb_column type=”1_4″ _builder_version=”4.19.5″ _module_preset=”default” global_colors_info=”{}” theme_builder_area=”post_content”][\/et_pb_column][et_pb_column type=”1_2″ _builder_version=”4.19.5″ _module_preset=”default” global_colors_info=”{}” theme_builder_area=”post_content”][et_pb_post_title meta=”off” featured_image=”off” text_color=”light” _builder_version=”4.23.1″ _module_preset=”default” title_font_size=”40px” text_orientation=”center” custom_margin=”0px|0px|0px|0px|false|false” custom_padding=”0px|0px|0px|0px|false|false” title_font_size_tablet=”35px” title_font_size_phone=”28px” title_font_size_last_edited=”on|phone” global_colors_info=”{}” theme_builder_area=”post_content”][\/et_pb_post_title][\/et_pb_column][et_pb_column type=”1_4″ _builder_version=”4.19.5″ _module_preset=”default” global_colors_info=”{}” theme_builder_area=”post_content”][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=”4.19.5″ _module_preset=”default” width=”100%” max_width=”2560px” custom_margin=”||0px||false|false” custom_padding=”170px||0px||false|false” global_colors_info=”{}” theme_builder_area=”post_content”][et_pb_column type=”4_4″ _builder_version=”4.19.5″ _module_preset=”default” global_colors_info=”{}” theme_builder_area=”post_content”][et_pb_text module_class=”breadcrumbs-custom” _builder_version=”4.22.2″ _module_preset=”default” text_font=”||||||||” text_orientation=”center” locked=”off” global_colors_info=”{}” theme_builder_area=”post_content”]\t\t\t\r\n\t\t\t

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  1. \r\n \r\n \r\n \r\n \r\n <\/i>Home <\/a>\r\n <\/span>\r\n \r\n <\/li>
  2. |<\/span><\/li>
  3. The steel that brings...<\/span><\/li>\t\t\t\t\t<\/ol>\r\n\t\t\t\t\t
    <\/div>\r\n\t\t\t\t<\/div>\r\n\t\t\t<\/div>\r\n\t\t\t
    \n[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=”1″ _builder_version=”4.22.2″ _module_preset=”default” min_height=”534.3px” custom_margin=”||3px|||” custom_padding=”||0px|||” global_colors_info=”{}” theme_builder_area=”post_content”][et_pb_row _builder_version=”4.23.1″ _module_preset=”default” min_height=”448.9px” custom_margin=”23px|auto|-7px|auto||” custom_padding=”0px||0px||true|false” border_color_bottom=”#e5e5e5″ global_colors_info=”{}” theme_builder_area=”post_content”][et_pb_column type=”4_4″ _builder_version=”4.22.2″ _module_preset=”default” global_colors_info=”{}” theme_builder_area=”post_content”][et_pb_text _builder_version=”4.23.1″ _module_preset=”default” text_font=”Roboto|300|||||||” min_height=”105.6px” custom_padding=”|130px|0px|130px|false|true” custom_padding_tablet=”|80px||80px|false|true” custom_padding_phone=”|0px||0px|false|true” custom_padding_last_edited=”on|phone” global_colors_info=”{}” theme_builder_area=”post_content”]<\/p>\n

    We use high-quality martensitic stainless steel, enriched with nitrogen in our exclusive NITRUM\u00ae<\/strong> formula to achieve knives that are harder, with greater cutting power, a longer-lasting edge and better corrosion resistance than standard stainless steel.<\/p>\n

    [\/et_pb_text][et_pb_text _builder_version=”4.23.1″ _module_preset=”default” text_font=”Roboto||||||||” text_orientation=”center” min_height=”41px” custom_margin=”10px|||||” header_2_font_size_tablet=”” header_2_font_size_phone=”23px” header_2_font_size_last_edited=”on|phone” global_colors_info=”{}” theme_builder_area=”post_content”]<\/p>\n

    What is stainless steel?<\/h2>\n

    [\/et_pb_text][et_pb_text _builder_version=”4.23.1″ _module_preset=”default” text_font=”Roboto|300|||||||” custom_padding=”|130px||130px|false|true” custom_padding_tablet=”|80px||80px|false|true” custom_padding_phone=”|0px||0px|false|true” custom_padding_last_edited=”on|phone” global_colors_info=”{}” theme_builder_area=”post_content”]<\/p>\n

    Steel is an alloy of iron and carbon that naturally tends to corrode as the carbon reacts with oxygen in the environment. To improve its resistance, chromium is added to the composition, resulting in stainless steel, a solid material (not a coating) that forms a protective layer on the surface and prevents the iron from corroding.<\/p>\n

    Thanks to its smooth, non-porous surface, stainless steel is very hygienic, easy to clean, and does not alter the taste or smell of food, which is why it is widely used in professional kitchens, hospitals, and laboratories. Furthermore, it maintains a good aesthetic appearance, does not chip or tarnish over time, and withstands extreme temperatures well.<\/p>\n

    [\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=”1″ _builder_version=”4.22.2″ _module_preset=”default” background_enable_color=”off” min_height=”2285.4px” custom_padding=”30px||0px|||” locked=”off” global_colors_info=”{%22gcid-937824ca-e831-46c6-b7e2-284fc452a523%22:%91%22background_color%22%93}” theme_builder_area=”post_content”][et_pb_row _builder_version=”4.22.2″ _module_preset=”default” min_height=”1638.5px” global_colors_info=”{}” theme_builder_area=”post_content”][et_pb_column type=”4_4″ _builder_version=”4.22.2″ _module_preset=”default” global_colors_info=”{}” theme_builder_area=”post_content”][et_pb_text _builder_version=”4.23.1″ _module_preset=”default” text_font=”Roboto||||||||” text_orientation=”center” header_2_font_size_tablet=”” header_2_font_size_phone=”23px” header_2_font_size_last_edited=”on|phone” global_colors_info=”{}” theme_builder_area=”post_content”]<\/p>\n

    Types of stainless steel<\/h2>\n

    [\/et_pb_text][et_pb_text _builder_version=”4.23.1″ _module_preset=”default” text_font=”Roboto|300|||||||” custom_padding=”|130px||130px|false|true” custom_padding_tablet=”|80px||80px|false|true” custom_padding_phone=”|0px||0px|false|true” custom_padding_last_edited=”on|phone” global_colors_info=”{}” theme_builder_area=”post_content”]<\/p>\n

    There are three main families of stainless steels with very different uses in the kitchen. Each combines elements such as chromium, carbon, and nickel in different ways, which modifies its hardness, corrosion resistance, and magnetic properties.<\/p>\n

      \n
    1. Austenitic stainless steel (18\/10):<\/strong> highly resistant to corrosion, excellent for hygiene, non-magnetic, and of low hardness; it is used in pots, cutlery (forks and spoons), trays, etc. It is the classic \u201c18\/10\u201d due to its approximate content of 18% chromium and 10% nickel.<\/li>\n
    2. Ferritic stainless steel:<\/strong> offers good corrosion resistance, is magnetic, and has low hardness; it is used in appliance housings, washing machine drums, and beer kegs.<\/li>\n
    3. Martensitic stainless steel:<\/strong> contains more carbon, which allows it to be tempered to achieve the necessary hardness for cutting; it is magnetic and, although somewhat less resistant to corrosion than the previous ones, it is suitable for quality cutlery.<\/li>\n<\/ol>\n

      [\/et_pb_text][et_pb_image src=”https:\/\/blog.arcos.com\/wp-content\/uploads\/2025\/06\/194000_05-scaled-e1751265461839.jpg” title_text=”194000_05″ _builder_version=”4.23.1″ _module_preset=”default” custom_padding=”|130px||130px|false|true” custom_padding_tablet=”|80px||80px|false|true” custom_padding_phone=”|0px||0px|false|true” custom_padding_last_edited=”on|tablet” global_colors_info=”{}” theme_builder_area=”post_content”][\/et_pb_image][et_pb_text _builder_version=”4.23.1″ _module_preset=”default” text_font=”Roboto||||||||” text_orientation=”center” header_2_font_size_tablet=”” header_2_font_size_phone=”23px” header_2_font_size_last_edited=”on|phone” global_colors_info=”{}” theme_builder_area=”post_content”]<\/p>\n

      Why do we use martensitic steel?<\/h2>\n

      [\/et_pb_text][et_pb_text _builder_version=”4.23.1″ _module_preset=”default” text_font=”Roboto|300|||||||” custom_padding=”|130px||130px|false|true” custom_padding_tablet=”|80px||80px|false|true” custom_padding_phone=”|0px||0px|false|true” custom_padding_last_edited=”on|phone” global_colors_info=”{}” theme_builder_area=”post_content”]<\/p>\n

      A professional knife needs hardness, cutting ability, and edge retention\u2014properties only achievable with a hardenable steel like martensitic steel. With its appropriate carbon content, this steel can undergo heat treatment (quenching and tempering) that gives it the optimal hardness for everyday kitchen use.<\/p>\n

      Therefore, while forks and spoons are made of 18\/10 austenitic steel, ARCOS knives are made of magnetic martensitic stainless steel. This makes them easily distinguishable from some cutlery manufacturers who produce knives in the same 18\/10 steel as their cutlery, which has very little or no carbon, cannot be hardened, and barely cuts.<\/p>\n

      [\/et_pb_text][et_pb_image src=”https:\/\/blog.arcos.com\/wp-content\/uploads\/2025\/06\/838410_03.jpg” title_text=”838410_03″ _builder_version=”4.23.1″ _module_preset=”default” custom_padding=”|130px||130px|false|true” custom_padding_tablet=”|80px||80px|false|true” custom_padding_phone=”|0px||0px|false|true” custom_padding_last_edited=”on|tablet” locked=”off” global_colors_info=”{}” theme_builder_area=”post_content”][\/et_pb_image][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=”4.22.2″ _module_preset=”default” global_colors_info=”{}” theme_builder_area=”post_content”][et_pb_column type=”4_4″ _builder_version=”4.22.2″ _module_preset=”default” global_colors_info=”{}” theme_builder_area=”post_content”][et_pb_text _builder_version=”4.23.1″ _module_preset=”default” text_font=”Roboto||||||||” text_orientation=”center” custom_margin=”||10px||false|false” header_2_font_size_tablet=”” header_2_font_size_phone=”23px” header_2_font_size_last_edited=”on|phone” global_colors_info=”{}” theme_builder_area=”post_content”]<\/p>\n

      NITRUM\u00ae: our exclusive steel<\/h2>\n

      [\/et_pb_text][et_pb_text _builder_version=”4.23.1″ _module_preset=”default” text_font=”Roboto|300|||||||” custom_padding=”|130px||130px|false|true” custom_padding_tablet=”|80px||80px|false|true” custom_padding_phone=”|0px||0px|false|true” custom_padding_last_edited=”on|phone” global_colors_info=”{}” theme_builder_area=”post_content”]<\/p>\n

      Based on martensitic stainless steel, ARCOS developed the special NITRUM\u00ae formula, registered by the brand. This steel has nitrogen added to modify the traditional microstructure of the knife, reducing carbides and replacing them with nitrides.<\/p>\n

      This microstructural change provides several key advantages for everyday use in the kitchen:<\/p>\n

        \n
      1. Greater hardness:<\/strong> the knife better withstands intensive use and mechanical stress.
        Greater cutting power: the edge penetrates food more effectively and requires less effort from the user.<\/li>\n
      2. Greater edge durability:<\/strong> the knife stays sharp longer, reducing the frequency of sharpening.<\/li>\n
      3. Improved corrosion resistance:<\/strong> the partial replacement of carbides with nitrides enhances resistance to oxidation.<\/li>\n<\/ol>\n

        [\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=”4.22.2″ _module_preset=”default” global_colors_info=”{}” theme_builder_area=”post_content”][et_pb_column type=”4_4″ _builder_version=”4.22.2″ _module_preset=”default” global_colors_info=”{}” theme_builder_area=”post_content”][et_pb_text _builder_version=”4.23.1″ _module_preset=”default” text_font=”Roboto||||||||” text_orientation=”center” custom_margin=”||10px||false|false” header_2_font_size_tablet=”” header_2_font_size_phone=”23px” header_2_font_size_last_edited=”on|phone” global_colors_info=”{}” theme_builder_area=”post_content”]<\/p>\n

        A more sustainable steel<\/h2>\n

        [\/et_pb_text][et_pb_text _builder_version=”4.23.1″ _module_preset=”default” text_font=”Roboto|300|||||||” custom_padding=”|130px||130px|false|true” custom_padding_tablet=”|80px||80px|false|true” custom_padding_phone=”|0px||0px|false|true” custom_padding_last_edited=”on|phone” global_colors_info=”{}” theme_builder_area=”post_content”]<\/p>\n

        The nitrogen incorporated into NITRUM\u00ae steel comes directly from the air, which contains approximately 75% of this gas, eliminating the need for mining operations.<\/strong> The nitrogen enrichment process has no negative impact on air, water, or soil, making it an environmentally friendly technology.<\/p>\n

        In this way, NITRUM\u00ae martensitic stainless steel combines professional performance (cutting ability, hardness, durability) with improved corrosion resistance and a more environmentally responsible approach.<\/strong> This results in more efficient, durable, and reliable knives, designed for demanding kitchens, both home and professional.<\/p>\n

        [\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=”1″ module_id=”recetas-tipo” _builder_version=”4.23.1″ _module_preset=”default” background_color=”#FFFFFF” locked=”off” global_colors_info=”{}” theme_builder_area=”post_content”][et_pb_row _builder_version=”4.22.2″ _module_preset=”default” global_colors_info=”{}” theme_builder_area=”post_content”][et_pb_column type=”4_4″ _builder_version=”4.22.2″ _module_preset=”default” global_colors_info=”{}” theme_builder_area=”post_content”][et_pb_text _builder_version=”4.23.1″ _module_preset=”default” text_font=”Roboto||||||||” text_orientation=”center” custom_margin=”||15px|||” header_2_font_size_tablet=”” header_2_font_size_phone=”23px” header_2_font_size_last_edited=”on|phone” global_colors_info=”{}” theme_builder_area=”post_content”]<\/p>\n

        Maybe you\u2019re also interested in:<\/h2>\n

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        Innovation, quality and sustainability in the selection and treatment of our stainless steels.<\/p>\n","protected":false},"author":13,"featured_media":13985,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"","inline_featured_image":false,"footnotes":""},"categories":[89],"tags":[],"class_list":["post-14172","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-business"],"yoast_head":"\nThe steel that brings every Arcos knife to life - Arcos<\/title>\n<meta name=\"description\" content=\"Innovation, quality and sustainability in the selection and treatment of our stainless steels.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"The steel that brings every Arcos knife to life - 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