現貨供應｜哲弘 Tetsuhiro SG2 粉末鋼 牛刀 210mm／240mm

品牌背景｜哲弘 Tetsuhiro

來自新潟三條的百年鍛冶系譜，融合野鍛冶精神與現代技術。以「名刀之系譜」為自許，哲弘刀具堅持實用與銳利並重，歷經三代職人傳承，擁有深厚歷史與卓越品質。

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產品資訊｜SG2 粉末鋼系列 牛刀

・鋼材：SG2 粉末高性能不鏽鋼

・硬度：HRC 62–64

・特性：高耐磨性、易保養、極耐鏽蝕

・適用對象：專業料理人、高端家庭用戶、刀具收藏家

尺寸與售價｜兩款規格可選

▸ 210mm

・刃寬：約 4.5cm

・刃厚：約 2mm

・柄長：約 130mm

・重量：約 175g

售價：NT$ 5,600

▸ 240mm

・刃寬：約 4.9cm

・刃厚：約 2.2mm

・柄長：約 135mm

・重量：約 245g

售價：NT$ 6,200

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品牌起源

桐生製作所創立於昭和初年，由桐生哲男建立，延續江戶末期以來的野鍛冶傳統。當時的哲弘刀具便因卓越品質聞名於世，並發展為高級品牌，擁有自家工坊與徒弟團隊。

名稱與歷史

「哲弘」之名代表著對工藝的執著與責任，作品從村落農工用具，拓展至軍用軍刀與現代廚刀。戰後，桐生哲男結合和包丁切味與不鏽鋼便利性，開發出夾鋼式不鏽鋼刀具，並取得實用新案專利，引領包丁進入現代化生產。

鋼材技術｜SG2（Super Gold 2）粉末不鏽鋼

由武生特殊鋼材株式會社開發，屬高端粉末冶金技術之產物，具有以下三大特性：

材質均勻

SG2 使用粉末冶金（PM）技術，將鋼材霧化成細小顆粒後再燒結，避免一般熔煉過程中產生的比重與結晶偏差，實現極高材料均質性。

超細粒結構

其顆粒細緻均勻，如同混凝土中均衡分布的砂石，能提供刀刃極佳的耐磨性與持久切削力。

出色抗腐蝕性

SG2 幾乎不會生鏽，具備高硬度（HRC 62–64）、高耐磨、高韌性的特點，深受職人與現代用戶青睞。

製刀工藝與革新

二代目桐生勝義進一步引進自動熱處理爐，解決不鏽鋼在高溫處理中產生氧化膜的問題，成功開創出品質穩定、量產高效的不鏽鋼刀具製造方式。至今新潟地區多採此種無限軌道加熱方式進行熱處理。

回歸匠心

哲弘品牌現已由新一代接手，重新擁抱野鍛冶本質，強調人性工藝與職人工法。品牌堅信：即便外觀樸實、來自鄉土，其設計與實用性依然能呈現超越時代的價值與深度。

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欲了解更多產品資訊、尺寸選擇與下單方式，歡迎私訊洽詢。

官方網站： https://www.tetsuhiro-knife.com/

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📌 Now In Stock｜Tetsuhiro SG2 Powder Steel Gyuto 210mm / 240mm
🔹 Brand Introduction｜Tetsuhiro
From the blacksmithing heartland of Sanjo, Niigata, Tetsuhiro blends the spirit of traditional field smithing with modern innovation. Upholding a legacy of “legendary blades,” the brand is dedicated to sharpness, practicality, and generational craftsmanship—refined over three generations.

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🔪 Product Overview｜SG2 Powder Steel Gyuto Series
・Steel Type: SG2 (Super Gold 2) Powder High-Performance Stainless Steel
・Hardness: HRC 62–64
・Key Features: Excellent wear resistance, low maintenance, exceptional corrosion resistance
・Recommended For: Professional chefs, premium home users, collectors

📏 Available Sizes & Pricing
▸ 210mm Gyuto
・Blade Width: approx. 4.5cm
・Blade Thickness: approx. 2mm
・Handle Length: approx. 130mm
・Weight: approx. 175g
💰 Price: NT$5,600

▸ 240mm Gyuto
・Blade Width: approx. 4.9cm
・Blade Thickness: approx. 2.2mm
・Handle Length: approx. 135mm
・Weight: approx. 245g
💰 Price: NT$6,200

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🧑‍🏭 Brand Origin
Tetsuhiro traces its roots to the early Shōwa period, founded by Kiryu Tetsuo. Evolving from traditional village tools and military blades to modern kitchen knives, the brand established a reputation for superior craftsmanship and innovative stainless steel construction.

📜 Name & Legacy
The name “Tetsuhiro” signifies a deep commitment to artisanry. Post-WWII, Kiryu Tetsuo merged the cutting performance of traditional Japanese knives with the convenience of stainless steel, pioneering a patented laminated stainless structure that brought Japanese blades into the modern era.

🧪 About SG2 Steel (Super Gold 2)
Developed by Takefu Special Steel Co., SG2 is a high-end powder metallurgy stainless steel offering:

1️⃣ Uniform Material Distribution
SG2 utilizes PM technology—atomizing molten metal into fine powder, then sintering it—eliminating density and crystallization inconsistencies common in traditional methods.

2️⃣ Ultra-Fine Grain Structure
Like the balanced composition of cement and sand in concrete, SG2’s even carbide dispersion ensures superb wear resistance and long-lasting sharpness.

3️⃣ Outstanding Corrosion Resistance
Nearly rust-proof, SG2 offers a rare combination of hardness, toughness, and ease of maintenance—ideal for culinary professionals.

🔧 Craftsmanship & Innovation
The second-generation smith, Kiryu Katsuyoshi, introduced automated heat treatment furnaces, resolving oxidation issues common in stainless steels. His system paved the way for stable, high-volume stainless knife production—still widely used in Niigata today.

🌀 Return to Craftsmanship
Under the new generation, Tetsuhiro has refocused on artisanal values—blending rustic roots with refined functionality. Each knife, while modest in appearance, reflects timeless depth and forward-thinking design.

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📩 For more details, size selection, or to place an order, feel free to message us.
🔗 Official Website: https://www.tetsuhiro-knife.com/

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