Shun Hiro 8" Chef's Knife specs and steel

The Shun Hiro 8" Chef's Knife has a 8" gyuto (chef's) blade in SG2 / R2, weighs 8.5 oz and is a kitchen knife.

Shun Hiro 8" Chef's Knife: Gyuto (chef's) blade, 8.0" long (generic profile, not to scale)Gyuto (chef's) blade, 8.0" long

Specifications

Blade steel
SG2 / R2
Blade length
8"
Overall length
13.3"
Blade thickness
0.098"
Weight
8.5 oz
Lock
—
Handle
Dark Charcoal PakkaWood
Blade shape
Gyuto (chef's)
Made in
Japan
Model
Hiro 8" Chef's Knife (SG0706)
Brand
Shun

Verified on Cutlery and More (shun.kaiusa.com product page could not be located). Retailer price $399.95 with no list price shown, so msrp is null. Spine 2.5 mm at heel = 0.098 in. SG2 core with Japanese stainless cladding, 64 HRC, made in Seki.

Where to buy

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The steel: SG2 / R2

SG2 (R2) is a powder metallurgy stainless steel rated 7/10 for edge retention, 4/10 for toughness and 7/10 for corrosion resistance; it is low on ease of sharpening (4/10). Full SG2 (R2) page.

Edge retention
7/10
Toughness
4/10
Corrosion resistance
7/10
Ease of sharpening
4/10
SG2 (R2) typical hardnessSG2 (R2): 62-64 HRC55 soft60 mid65 very hard507062–64

How SG2 (R2) compares

Other knives in SG2 (R2)

Specs checked on 2026-10-14 against the maker's product page.