VG-10 Steel: Takefu Data and Finished-Shear Evidence

Quick answerShort answer

Takefu publishes a reliable public composition record for its own VG-10 grade. The same page also gives a material-level hardness entry. Neither item certifies a blade or finished scissor simply because a catalog uses a similar label.

Jaguar’s official KAMIYU page provides one exact finished-shear example. Jaguar describes KAMIYU as using VG-10 cobalt steel from Japan and states 59 HRC. That is a maker statement for KAMIYU, not a universal specification for VG-10-labeled scissors.

Reference sectionKeep three evidence levels separate

All three records can be useful. They answer different questions. Do not move a material value or a finished-model claim into a broader evidence level.

Reference sectionTakefu’s published VG-10 composition

Takefu’s official VG-10 page presents the following chemical-composition figures. Takefu calls them representative data for the standard values of the grade.

The page’s prose expresses chromium as 15%, molybdenum as 1%, and cobalt as 1.5%. Its table does not print a unit or compositional basis beside every cell, so the table above reproduces the five figures without adding a basis that Takefu does not state.

These are not minimum and maximum limits. They are not a certificate for a supplied heat or lot. The page does not list manganese, silicon, phosphorus, sulfur, iron, or a balance entry. An element missing from this source should be left unreported, not filled from a seller chart or a different designation.

A reliable public composition can therefore be established for Takefu’s exact VG-10 grade within this producer-page scope. A bare VG-10 listing still needs a traceable link to that material before the figures can be applied to a finished product.

Reference sectionWhat Takefu says about the material

Takefu says chromium, molybdenum, and cobalt strengthen the matrix. It says vanadium refines the microstructure, while chromium, molybdenum, and vanadium form hard carbides that improve wear resistance. The producer also describes its VG-10 as corrosion resistant, machinable, and easy to sharpen.

These are Takefu’s material descriptions. The page does not publish a comparative test method, salon exposure protocol, cutting-life result, or sharpening interval. It lists kitchen knives, general-purpose knives, and machine blades as uses. It does not identify a finished hair scissor.

Takefu also asks buyers to make sure a product uses genuine VG-10. That notice supports checking material identity. It does not identify any particular scissor brand or certify a listing.

Reference sectionHardness without a universal scissor range

Takefu displays at least 60 HRC in the hardness column on its VG-10 material page. The Japanese version labels this as quench hardness. The public page gives no upper bound, test method, specimen condition, test location, or tolerance.

Jaguar gives a different kind of record. Its KAMIYU product page states 59 HRC for that finished hair scissor. The page presents the figure as Jaguar’s model specification. It does not turn the Takefu material entry into a finished-shear range, and the two figures should not be joined into one.

No universal HRC value is established for all products labeled VG-10. For an exact shear, ask whether the published value is a design target, an allowed range, or a measured result. Also ask for the tested blade, location, method, production scope, and tolerance.

Reference sectionOne exact finished-shear record

Read this as a model-specific maker statement. It supports the material and hardness wording Jaguar publishes for KAMIYU. It does not certify another maker’s scissor, another model, a material heat or lot, or an independently measured result.

For purchase-specific traceability or testing records beyond the public page, use Jaguar’s official product route. Keep any reply with the exact model and variant record.

Reference sectionKeep VG-10W separate

Takefu publishes VG-10W on a separate official page and describes it as VG-10 with tungsten added. The producer gives VG-10W its own composition and hardness entries. This page therefore does not use VG-10W as an alias for VG-10 or transfer VG-10W data into the VG-10 table.

A shared name fragment does not prove that two designations, material records, or finished products are interchangeable. Preserve the exact wording in the source.

Reference sectionWhat the VG-10 label does not settle

The primary sources reviewed here do not establish universal finished-shear claims for:

• one HRC value or range across all makers and models;
• edge life measured in cuts, clients, weeks, months, or years;
• sharpening frequency, sharpening difficulty, or one required service method;
• corrosion performance under salon moisture, color products, cleaners, or disinfectants;
• toughness, drop response, chipping, rolling, flex, or impact behavior;
• country of melt, blade manufacture, assembly, or finished-product origin for an unidentified shear;
• price, value, market tier, or steel ranking;
• equivalence to another designation or maker label, including 10Cr15CoMoV;
• blade weight, balance, feel, glide, technique suitability, or cutting performance; or
• superiority between finished scissors.

These are source boundaries, not findings about the quality of a named maker or model. Use each maker’s current statement within the product scope it identifies.

Action checklistChecklist for an exact VG-10-labeled shear

If a listing only supplies the broad label, keep it at that level. Ask the maker for the missing product-specific record rather than filling gaps from another steel page.

Source trailPrimary sources and limits

Sources were checked on 30 September 2026. No retailer-generated steel guide, marketplace listing, generic comparison chart, unpublished test summary, or product photograph is used as technical authority. No image is displayed because an unrelated scissor photograph cannot establish material identity, composition, hardness, or performance.

Related: Steel Types, Composition Guide, Hardness Reference, and VG-10 vs 440C price evidence.