鋼 ·Knife Steel Guide

The Trade-off Map

Every steel we sell — edge retention vs. toughness, at a glance. Tap any steel for its spec; pick two to compare them head-to-head.

Reviewed June 2026 · primary-sourced where verified

Knife steel comparison

ApexUltra	Carbon	66–69	1.25%	1.5%	0.4%	—	2.6%	—	6.5	7	2	6.5	3
ATS34 ATS-34	Stainless	60–61	1%	13.5%	0.4%	4%	—	—	4.5	5	7.5	6	24
AUS-10 AUS-10	Stainless	58–60	0.95%	13%	0.15%	0.15%	—	—	5	6.5	8.5	7.5	11
AUS-8 AUS-8	Stainless	57–59	0.7%	13%	0.1%	0.1%	—	—	4	7.5	8.5	8	7
Blue #1 / Aogami #1 青一鋼	Carbon	61–64	1.3%	0.4%	—	—	1.75%	—	5.5	5.5	2	8	55
Blue #2 / Aogami #2 青二鋼	Carbon	61–63	1.1%	0.35%	—	—	1.25%	—	5.5	6	2	8	153
Blue Super / Aogami Super 青紙スーパー	Carbon	62–65	1.45%	0.4%	0.4%	—	2.25%	—	5	4.5	2	7	84
Carbon Steel 炭素鋼	Carbon	55–57	—	—	—	—	—	—	—	—	—	—	2
Chromax クロマックス鋼	Stainless	60–62	1%	5%	0.5%	1%	—	—	5.5	5	4.5	7.5	7
COSP (Cobalt Special) コバルトスペシャル鋼	Stainless	60–62	1.05%	16%	0.25%	1.5%	0.25%	2.5%	5	6.5	8.5	6	10
FAXR2	Stainless	62–63	not disclosed	not disclosed	not disclosed	not disclosed	not disclosed	not disclosed	6	6.5	8.5	5.5	24
German Steel ドイツ鋼	Stainless	56–58	0.5%	14%	0.1%	0.5%	—	—	—	—	—	—	0
Ginsan / Gin-3 / Silver #3 銀三鋼	Stainless	60–62	1.025%	13.75%	—	—	—	—	4.5	6.5	8.5	8.5	127
HAP-40 粉末ハイス鋼 HAP40	Semi-stainless	64–68	1.3%	4%	3%	4.8%	6%	8%	8	4.5	3.5	3	3
Inox ステンレス鋼	Stainless	57–59	0.5%	13.5%	0.2%	0.3%	—	—	—	—	—	—	17
MV (Molybdenum Vanadium) モリブデンバナジウム鋼	Stainless	54–60	—	—	—	—	—	—	—	—	—	—	12
SG2 / R2 スーパーゴールド2	Stainless	62–64	not disclosed	not disclosed	not disclosed	not disclosed	not disclosed	not disclosed	6	7	8.5	5	317
SK Steel SK材	Carbon	58–62	0.8%	—	—	—	—	—	4	6	1.5	9.5	5
SKD SKD合金工具鋼	Semi-stainless	62–64	1%	5%	0.35%	1%	—	—	5.5	5.5	4	7.5	18
SLD SLD鋼	Stainless	62–64	1.5%	12%	0.3%	0.9%	—	—	5.5	5	4	5	45
SRS-13 SRS-13	Stainless	63–64	1.3%	13%	1.5%	2.75%	1.25%	—	6	5.5	8	5.5	14
SPG STRIX	Stainless	63–65	—	—	—	—	—	—	6	6	8	5.5	13
V-Toku 1 V金1号	Carbon	62–64	1.25%	0.35%	0.2%	—	2.25%	—	5.5	5.5	2	7.5	0
V-Toku 2 V金2号	Carbon	62–64	1.05%	0.35%	0.2%	—	1.25%	—	5.5	5.5	2	8	14
VG1 V金1号	Stainless	58–61	0.95%	13%	—	0.3%	—	—	4	7.5	8	8	9
VG-10 V金10号	Stainless	59–61	1%	15%	0.25%	1%	—	1.55%	4.5	7.5	8	7	114
VG5 V金5号	Stainless	58–59	0.75%	14%	0.15%	0.3%	—	—	4	7	8.5	8	5
VG-MAX	Stainless	60–61	—	—	—	—	—	—	5	6.5	8	6.5	10
VG XEOS	Stainless	62–63	not disclosed	not disclosed	not disclosed	not disclosed	not disclosed	not disclosed	5	6.5	9	6	15
VG10W V金10W ref	Stainless	61–63	1%	15%	0.25%	1%	0.4%	1.55%	—	—	—	—	—
White #1 / Shirogami #1 白一鋼	Carbon	62–65	1.3%	—	—	—	—	—	5	6	1.5	9.5	9
White #2 / Shirogami #2 白三鋼	Carbon	60–64	1.1%	—	—	—	—	—	4.5	6.5	1.5	9.5	101
White 3 / Shirogami #3 白三鋼	Carbon	59–61	0.8%	—	—	—	—	—	4	7	1.5	10	10
YXR7	Semi-stainless	62–65	0.8%	5%	1.1%	5%	1.1%	—	5.5	6.5	3	4.5	0
ZA-18 ZA-18ステンレス鋼	Stainless	60–62	—	—	—	—	—	—	5	6.5	8.5	6.5	1
ZDP-189 粉末ダイス鋼 ZDP-189	Stainless	63–66	3%	20%	not disclosed	not disclosed	not disclosed	not disclosed	8.5	3.5	7	2.5	12
1095 ref	Carbon	58–62	0.965%	—	—	—	—	—	4	6	1.5	9.5	—
52100 ref	Carbon	61–64	1.04%	1.45%	—	—	—	—	5	7.5	2	9	—
26C3 ref	Carbon	63–66	1.25%	0.3%	—	—	—	—	5	5.5	1.5	9.5	—
AEB-L ref	Stainless	59–61	0.67%	13%	—	—	—	—	4	9	8.5	8.5	—
14C28N ref	Stainless	59–61	0.62%	14%	—	—	—	—	3.5	9	8.5	8.5	—
19C27 ref	Stainless	58–61	0.95%	13.5%	—	—	—	—	5	5	8	8	—
12C27 ref	Stainless	58–60	0.6%	13.5%	—	—	—	—	4	8	8.5	8.5	—
Nitro-V ref	Stainless	60–62	0.68%	13%	0.08%	—	—	—	4	8	8	8.5	—
X50CrMoV15 ref	Stainless	54–58	0.5%	14.5%	0.15%	0.65%	—	—	4	8	8	8.5	—
X55CrMoV14 ref	Stainless	54–58	0.54%	14%	0.1%	0.65%	—	—	3.5	8	8	8.5	—
X46Cr13 ref	Stainless	52–56	0.46%	13.5%	—	—	—	—	3	8	8	8.5	—
8Cr13MoV ref	Stainless	58–60	0.75%	13.75%	0.175%	0.2%	—	—	4	7.5	8	8.5	—
9Cr18MoV ref	Stainless	58–60	0.9%	18%	0.1%	1.15%	—	—	4.5	6.5	8.5	7.5	—