162 Steels

Steel Library

Comprehensive heat treatment data for popular knife and tool steels. Find austenitizing temperatures, tempering ranges, and hardness specifications.

Carbon Steel

38 steels

1075 Carbon Steel

beginner
Austenitize:

815°C / 1499°F

Temper:

200°C / 392°F

Hardness:58-60 HRC

1084 High Carbon

beginner
Austenitize:

793°C / 1459°F

Temper:

190°C / 374°F

Hardness:60-64 HRC

1095 High Carbon

beginner
Austenitize:

799°C / 1470°F

Temper:

190°C / 374°F

Hardness:60-65 HRC

15N20

intermediate
Austenitize:

802°C / 1476°F

Temper:

190°C / 374°F

Hardness:58-61 HRC

26C3

advanced
Austenitize:

801°C / 1474°F

Temper:

177°C / 351°F

Hardness:63-65 HRC

5160 Spring Steel

beginner
Austenitize:

829°C / 1524°F

Temper:

204°C / 399°F

Hardness:58-60 HRC

6150 Spring Steel

beginner
Austenitize:

870°C / 1598°F

Temper:

200°C / 392°F

Hardness:55-57 HRC

65Mn

beginner
Austenitize:

830°C / 1526°F

Temper:

175°C / 347°F

Hardness:59-61 HRC

80CrV2

beginner
Austenitize:

829°C / 1524°F

Temper:

204°C / 399°F

Hardness:60-61 HRC

8670 Nickel Steel

intermediate
Austenitize:

816°C / 1501°F

Temper:

204°C / 399°F

Hardness:59-60 HRC

9260 Spring Steel

intermediate
Austenitize:

870°C / 1598°F

Temper:

200°C / 392°F

Hardness:58-60 HRC

Aogami #1

advanced
Austenitize:

815°C / 1499°F

Temper:

180°C / 356°F

Hardness:64-65 HRC

Aogami #2

intermediate
Austenitize:

800°C / 1472°F

Temper:

200°C / 392°F

Hardness:62-63 HRC

Aogami Super

advanced
Austenitize:

815°C / 1499°F

Temper:

175°C / 347°F

Hardness:64-66 HRC

ApexUltra

expert
Austenitize:

845°C / 1553°F

Temper:

204°C / 399°F

Hardness:65-67 HRC

C80W2 / 1.2008

advanced
Austenitize:

790°C / 1454°F

Temper:

180°C / 356°F

Hardness:60-62 HRC

Carbon V

beginner
Austenitize:

815°C / 1499°F

Temper:

185°C / 365°F

Hardness:56-58 HRC

CK60 / C60

beginner
Austenitize:

820°C / 1508°F

Temper:

200°C / 392°F

Hardness:55-58 HRC

CruForgeV

intermediate
Austenitize:

802°C / 1476°F

Temper:

204°C / 399°F

Hardness:61-62 HRC

Kigami Yellow Steel #2

advanced
Austenitize:

780°C / 1436°F

Temper:

175°C / 347°F

Hardness:60-61 HRC

Pop's ProCut

advanced
Austenitize:

815°C / 1499°F

Temper:

175°C / 347°F

Hardness:61-63 HRC

Shirogami #1

expert
Austenitize:

801°C / 1474°F

Temper:

177°C / 351°F

Hardness:63-65 HRC

Shirogami #2

advanced
Austenitize:

810°C / 1490°F

Temper:

180°C / 356°F

Hardness:63-64 HRC

Shirogami #3 / White Steel #3

intermediate
Austenitize:

780°C / 1436°F

Temper:

180°C / 356°F

Hardness:60-62 HRC

ShKh15

intermediate
Austenitize:

850°C / 1562°F

Temper:

180°C / 356°F

Hardness:60-64 HRC

SK3 / SK105

advanced
Austenitize:

790°C / 1454°F

Temper:

175°C / 347°F

Hardness:62-64 HRC

SK4 / SK95

intermediate
Austenitize:

780°C / 1436°F

Temper:

180°C / 356°F

Hardness:58-60 HRC

SK5 / SK85

beginner
Austenitize:

780°C / 1436°F

Temper:

180°C / 356°F

Hardness:59-63 HRC

SKS93

intermediate
Austenitize:

800°C / 1472°F

Temper:

180°C / 356°F

Hardness:58-61 HRC

T10 Steel

beginner
Austenitize:

815°C / 1499°F

Temper:

190°C / 374°F

Hardness:62-64 HRC

U10 Carbon

intermediate
Austenitize:

780°C / 1436°F

Temper:

175°C / 347°F

Hardness:60-62 HRC

U12A Carbon

advanced
Austenitize:

780°C / 1436°F

Temper:

175°C / 347°F

Hardness:62-64 HRC

U7 Carbon

beginner
Austenitize:

800°C / 1472°F

Temper:

175°C / 347°F

Hardness:57-62 HRC

U8 Carbon

beginner
Austenitize:

790°C / 1454°F

Temper:

200°C / 392°F

Hardness:58-62 HRC

UHB-20C

intermediate
Austenitize:

870°C / 1598°F

Temper:

175°C / 347°F

Hardness:59-61 HRC

W1 Tool Steel

advanced
Austenitize:

788°C / 1450°F

Temper:

204°C / 399°F

Hardness:60-64 HRC

XC75 / C75

beginner
Austenitize:

800°C / 1472°F

Temper:

200°C / 392°F

Hardness:58-58 HRC

YCS3

intermediate
Austenitize:

800°C / 1472°F

Temper:

180°C / 356°F

Hardness:60-62 HRC

Tool Steel

35 steels

52100 Bearing Steel

intermediate
Austenitize:

821°C / 1510°F

Temper:

204°C / 399°F

Hardness:60-62 HRC

9KHF

intermediate
Austenitize:

840°C / 1544°F

Temper:

175°C / 347°F

Hardness:59-61 HRC

9KHS

intermediate
Austenitize:

860°C / 1580°F

Temper:

200°C / 392°F

Hardness:58-60 HRC

A2 Tool Steel

intermediate
Austenitize:

949°C / 1740°F

Temper:

232°C / 450°F

Hardness:58-62 HRC

A8 Tool Steel

intermediate
Austenitize:

1020°C / 1868°F

Temper:

175°C / 347°F

Hardness:58-60 HRC

Caldie

advanced
Austenitize:

1025°C / 1877°F

Temper:

520°C / 968°F

Hardness:60-61 HRC

Calmax

advanced
Austenitize:

980°C / 1796°F

Temper:

200°C / 392°F

Hardness:62-64 HRC

CPM 3V

intermediate
Austenitize:

1066°C / 1951°F

Temper:

565°C / 1049°F

Hardness:58-60 HRC

D2 Tool Steel

intermediate
Austenitize:

1018°C / 1864°F

Temper:

288°C / 550°F

Hardness:58-60 HRC

DC53

intermediate
Austenitize:

1030°C / 1886°F

Temper:

540°C / 1004°F

Hardness:60-62 HRC

Diamond Steel

advanced
Austenitize:

800°C / 1472°F

Temper:

180°C / 356°F

Hardness:64-68 HRC

EI-107

advanced
Austenitize:

1050°C / 1922°F

Temper:

350°C / 662°F

Hardness:62-64 HRC

INFI

intermediate
Hardness:58-60 HRC

K110

intermediate
Austenitize:

1030°C / 1886°F

Temper:

205°C / 401°F

Hardness:61-62 HRC

K340 ISODUR

advanced
Austenitize:

1060°C / 1940°F

Temper:

540°C / 1004°F

Hardness:60-62 HRC

K720 / O2

intermediate
Austenitize:

820°C / 1508°F

Temper:

200°C / 392°F

Hardness:58-60 HRC

KhVG Tool Steel

intermediate
Austenitize:

850°C / 1562°F

Temper:

180°C / 356°F

Hardness:62-64 HRC

L6 Tool Steel

intermediate
Austenitize:

816°C / 1501°F

Temper:

204°C / 399°F

Hardness:59-60 HRC

M2 High Speed Steel

advanced
Austenitize:

1190°C / 2174°F

Temper:

551°C / 1024°F

Hardness:62-65 HRC

M2 HSS

advanced
Austenitize:

1220°C / 2228°F

Temper:

560°C / 1040°F

Hardness:62-64 HRC

M35 HSS

advanced
Austenitize:

1210°C / 2210°F

Temper:

550°C / 1022°F

Hardness:64-66 HRC

M42 HSS

expert
Austenitize:

1175°C / 2147°F

Temper:

565°C / 1049°F

Hardness:67-69 HRC

O1 Tool Steel

intermediate
Austenitize:

802°C / 1476°F

Temper:

190°C / 374°F

Hardness:60-64 HRC

O7 / 1.2519

advanced
Austenitize:

830°C / 1526°F

Temper:

210°C / 410°F

Hardness:63-65 HRC

P18 HSS

advanced
Austenitize:

1270°C / 2318°F

Temper:

560°C / 1040°F

Hardness:63-65 HRC

S5 Shock Tool Steel

intermediate
Austenitize:

900°C / 1652°F

Temper:

200°C / 392°F

Hardness:58-60 HRC

S7 Shock Resistant

intermediate
Austenitize:

955°C / 1751°F

Temper:

230°C / 446°F

Hardness:58-60 HRC

SKD11

intermediate
Austenitize:

1030°C / 1886°F

Temper:

180°C / 356°F

Hardness:60-62 HRC

SKD12

advanced
Austenitize:

960°C / 1760°F

Temper:

200°C / 392°F

Hardness:62-63 HRC

SKS51

intermediate
Austenitize:

790°C / 1454°F

Temper:

200°C / 392°F

Hardness:58-60 HRC

Sleipner

intermediate
Austenitize:

1030°C / 1886°F

Temper:

530°C / 986°F

Hardness:62-64 HRC

W2 Tool Steel

advanced
Austenitize:

793°C / 1459°F

Temper:

232°C / 450°F

Hardness:60-61 HRC

X12MF

intermediate
Austenitize:

1040°C / 1904°F

Temper:

275°C / 527°F

Hardness:58-60 HRC

YXR7

advanced
Austenitize:

1150°C / 2102°F

Temper:

580°C / 1076°F

Hardness:64-65 HRC

Z-Tuff

advanced
Austenitize:

1050°C / 1922°F

Temper:

204°C / 399°F

Hardness:61-62 HRC

Stainless Steel

45 steels

1.4116 / X50CrMoV15

beginner
Austenitize:

980°C / 1796°F

Temper:

150°C / 302°F

Hardness:54-56 HRC

10Cr15CoMoV

intermediate
Austenitize:

1080°C / 1976°F

Temper:

200°C / 392°F

Hardness:59-62 HRC

110X18MShD

advanced
Austenitize:

1060°C / 1940°F

Temper:

200°C / 392°F

Hardness:58-62 HRC

12C27

beginner
Austenitize:

1080°C / 1976°F

Temper:

175°C / 347°F

Hardness:58-60 HRC

12C27M

beginner
Austenitize:

1070°C / 1958°F

Temper:

175°C / 347°F

Hardness:57-58 HRC

13C26

intermediate
Austenitize:

1060°C / 1940°F

Temper:

200°C / 392°F

Hardness:60-61 HRC

14C28N

beginner
Austenitize:

1050°C / 1922°F

Temper:

200°C / 392°F

Hardness:59-60 HRC

19C27

intermediate
Austenitize:

1050°C / 1922°F

Temper:

180°C / 356°F

Hardness:60-64 HRC

3Cr13

beginner
Austenitize:

1050°C / 1922°F

Temper:

200°C / 392°F

Hardness:52-55 HRC

3Cr14

beginner
Austenitize:

1030°C / 1886°F

Temper:

200°C / 392°F

Hardness:55-55 HRC

4034 / 1.4034

beginner
Austenitize:

1030°C / 1886°F

Temper:

180°C / 356°F

Hardness:56-58 HRC

40X13 / 40Cr13

beginner
Austenitize:

1050°C / 1922°F

Temper:

200°C / 392°F

Hardness:52-54 HRC

420HC

beginner
Austenitize:

1038°C / 1900°F

Temper:

204°C / 399°F

Hardness:56-58 HRC

420J2

beginner
Austenitize:

1040°C / 1904°F

Temper:

175°C / 347°F

Hardness:52-56 HRC

440A

beginner
Austenitize:

1050°C / 1922°F

Temper:

160°C / 320°F

Hardness:55-57 HRC

440C

beginner
Austenitize:

1024°C / 1875°F

Temper:

177°C / 351°F

Hardness:58-59 HRC

5Cr15MoV

beginner
Austenitize:

1020°C / 1868°F

Temper:

150°C / 302°F

Hardness:54-58 HRC

6C27

beginner
Austenitize:

1050°C / 1922°F

Temper:

180°C / 356°F

Hardness:52-54 HRC

7C27Mo2

beginner
Austenitize:

1050°C / 1922°F

Temper:

200°C / 392°F

Hardness:55-57 HRC

7Cr17MoV

beginner
Austenitize:

1070°C / 1958°F

Temper:

180°C / 356°F

Hardness:57-58 HRC

8Cr13MoV

beginner
Austenitize:

1050°C / 1922°F

Temper:

175°C / 347°F

Hardness:58-60 HRC

8Cr14MoV

beginner
Austenitize:

1050°C / 1922°F

Temper:

180°C / 356°F

Hardness:58-59 HRC

95X18

beginner
Austenitize:

1045°C / 1913°F

Temper:

200°C / 392°F

Hardness:58-60 HRC

9Cr18MoV

beginner
Austenitize:

1050°C / 1922°F

Temper:

230°C / 446°F

Hardness:58-60 HRC

AEB-L

intermediate
Austenitize:

1052°C / 1926°F

Temper:

177°C / 351°F

Hardness:62-64 HRC

ATS-34

intermediate
Austenitize:

1065°C / 1949°F

Temper:

150°C / 302°F

Hardness:60-61 HRC

AUS-10

beginner
Austenitize:

1052°C / 1926°F

Temper:

204°C / 399°F

Hardness:58-60 HRC

AUS-6

beginner
Austenitize:

1040°C / 1904°F

Temper:

175°C / 347°F

Hardness:56-58 HRC

AUS-8

beginner
Austenitize:

1052°C / 1926°F

Temper:

204°C / 399°F

Hardness:57-59 HRC

BD1N

beginner
Austenitize:

1038°C / 1900°F

Temper:

163°C / 325°F

Hardness:58-60 HRC

BG-42

advanced
Austenitize:

1065°C / 1949°F

Temper:

205°C / 401°F

Hardness:60-61 HRC

GIN-1 / G2

beginner
Austenitize:

1050°C / 1922°F

Temper:

180°C / 356°F

Hardness:57-58 HRC

Ginsan

intermediate
Austenitize:

1050°C / 1922°F

Temper:

180°C / 356°F

Hardness:60-61 HRC

LC200N

intermediate
Austenitize:

1038°C / 1900°F

Temper:

163°C / 325°F

Hardness:59-60 HRC

MBS-26

beginner
Austenitize:

1050°C / 1922°F

Temper:

175°C / 347°F

Hardness:58-60 HRC

N680

beginner
Austenitize:

1050°C / 1922°F

Temper:

177°C / 351°F

Hardness:57-59 HRC

N690

beginner
Austenitize:

1060°C / 1940°F

Temper:

150°C / 302°F

Hardness:59-60 HRC

N695

beginner
Austenitize:

1030°C / 1886°F

Temper:

180°C / 356°F

Hardness:59-61 HRC

Niolox

intermediate
Austenitize:

1066°C / 1951°F

Temper:

204°C / 399°F

Hardness:59-60 HRC

Nitro-V

intermediate
Austenitize:

1052°C / 1926°F

Temper:

177°C / 351°F

Hardness:63-64 HRC

Vanax

advanced
Austenitize:

1080°C / 1976°F

Temper:

204°C / 399°F

Hardness:60-61 HRC

VG-1 / V Gold 1

beginner
Austenitize:

1050°C / 1922°F

Temper:

180°C / 356°F

Hardness:58-61 HRC

VG-10

intermediate
Austenitize:

1080°C / 1976°F

Temper:

204°C / 399°F

Hardness:60-61 HRC

VG-2

beginner
Austenitize:

1050°C / 1922°F

Temper:

180°C / 356°F

Hardness:57-58 HRC

VG-5

beginner
Austenitize:

1050°C / 1922°F

Temper:

150°C / 302°F

Hardness:62-62 HRC

Powder Metallurgy Steel

42 steels

20CV

advanced
Hardness:62-64 HRC

Cowry-X

expert
Austenitize:

1030°C / 1886°F

Temper:

150°C / 302°F

Hardness:65-67 HRC

CPM 10V

expert
Austenitize:

1038°C / 1900°F

Temper:

260°C / 500°F

Hardness:63-64 HRC

CPM 4V

intermediate
Austenitize:

1080°C / 1976°F

Temper:

204°C / 399°F

Hardness:62-64 HRC

CPM M4

advanced
Austenitize:

1121°C / 2050°F

Temper:

551°C / 1024°F

Hardness:63-65 HRC

CPM MagnaCut

advanced
Austenitize:

1121°C / 2050°F

Temper:

177°C / 351°F

Hardness:61-63 HRC

CPM MagnaMax

expert
Hardness:63-65 HRC

CPM REX 76

expert
Austenitize:

1175°C / 2147°F

Temper:

560°C / 1040°F

Hardness:68-70 HRC

CPM S110V

expert
Austenitize:

1175°C / 2147°F

Temper:

200°C / 392°F

Hardness:60-62 HRC

CPM S125V

expert
Austenitize:

1175°C / 2147°F

Temper:

290°C / 554°F

Hardness:63-65 HRC

CPM S30V

advanced
Austenitize:

1065°C / 1949°F

Temper:

315°C / 599°F

Hardness:58-61 HRC

CPM S35VN

advanced
Austenitize:

1065°C / 1949°F

Temper:

315°C / 599°F

Hardness:58-61 HRC

CPM S45VN

advanced
Austenitize:

1093°C / 1999°F

Temper:

204°C / 399°F

Hardness:61-62 HRC

CPM S60V

expert
Austenitize:

1100°C / 2012°F

Temper:

230°C / 446°F

Hardness:56-58 HRC

CPM S90V

expert
Austenitize:

1121°C / 2050°F

Temper:

204°C / 399°F

Hardness:61-62 HRC

CPM SPY27

intermediate
Austenitize:

1121°C / 2050°F

Temper:

204°C / 399°F

Hardness:61-62 HRC

CPM T15

advanced
Austenitize:

1200°C / 2192°F

Temper:

565°C / 1049°F

Hardness:65-67 HRC

CPM-154

intermediate
Austenitize:

1066°C / 1951°F

Temper:

232°C / 450°F

Hardness:60-62 HRC

CPM-1V

intermediate
Austenitize:

1120°C / 2048°F

Temper:

177°C / 351°F

Hardness:62-64 HRC

CPM-CruWear

advanced
Austenitize:

1066°C / 1951°F

Temper:

204°C / 399°F

Hardness:61-62 HRC

CTS-40CP

intermediate
Austenitize:

1060°C / 1940°F

Temper:

205°C / 401°F

Hardness:58-59 HRC

CTS-XHP

intermediate
Austenitize:

1066°C / 1951°F

Temper:

204°C / 399°F

Hardness:63-65 HRC

Elmax

advanced
Austenitize:

1090°C / 1994°F

Temper:

200°C / 392°F

Hardness:60-62 HRC

HAP10

expert
Austenitize:

1180°C / 2156°F

Temper:

560°C / 1040°F

Hardness:65-66 HRC

HAP72

expert
Austenitize:

1200°C / 2192°F

Temper:

560°C / 1040°F

Hardness:68-70 HRC

K390

expert
Austenitize:

1107°C / 2025°F

Temper:

204°C / 399°F

Hardness:64-65 HRC

K390 Microclean

expert
Austenitize:

1100°C / 2012°F

Temper:

540°C / 1004°F

Hardness:63-65 HRC

M390

advanced
Austenitize:

1130°C / 2066°F

Temper:

200°C / 392°F

Hardness:62-64 HRC

M398

expert
Austenitize:

1150°C / 2102°F

Temper:

180°C / 356°F

Hardness:62-64 HRC

Maxamet

expert
Austenitize:

1038°C / 1900°F

Temper:

260°C / 500°F

Hardness:67-68 HRC

Rex 121

expert
Austenitize:

1050°C / 1922°F

Temper:

540°C / 1004°F

Hardness:68-70 HRC

Rex 45

expert
Austenitize:

1177°C / 2151°F

Temper:

551°C / 1024°F

Hardness:64-66 HRC

RWL34

intermediate
Austenitize:

1080°C / 1976°F

Temper:

175°C / 347°F

Hardness:62-63 HRC

S390 Microclean

expert
Austenitize:

1175°C / 2147°F

Temper:

550°C / 1022°F

Hardness:65-68 HRC

SG2 / Super Gold 2

intermediate
Austenitize:

1093°C / 1999°F

Temper:

204°C / 399°F

Hardness:60-64 HRC

SRS-13

intermediate
Austenitize:

1050°C / 1922°F

Temper:

175°C / 347°F

Hardness:63-64 HRC

SRS-15

advanced
Austenitize:

1050°C / 1922°F

Temper:

175°C / 347°F

Hardness:63-65 HRC

Vanadis 10

expert
Austenitize:

1040°C / 1904°F

Temper:

175°C / 347°F

Hardness:63-63 HRC

Vanadis 4 Extra

advanced
Austenitize:

1080°C / 1976°F

Temper:

204°C / 399°F

Hardness:62-63 HRC

Vanadis 8

advanced
Austenitize:

1066°C / 1951°F

Temper:

204°C / 399°F

Hardness:63-64 HRC

Z-Max

expert
Austenitize:

1220°C / 2228°F

Temper:

550°C / 1022°F

Hardness:68-70 HRC

ZDP-189

expert
Austenitize:

1000°C / 1832°F

Temper:

100°C / 212°F

Hardness:67-70 HRC

Cobalt Alloy

2 steels

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