AISI S-1 Tool steels

Material group: Ferrous Alloys / Tool steels
Country / Standard: United States / AISI

Data updates

Latest Update: 2022-12
Total number of updates: 3
Update History
2022-04 2016-01

This material has 287 properties — only a subset is shown here.

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AISI S-1 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
0.45 – 0.55
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
1.25 – 1.75
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Mn
VALUE
0.20 – 0.40
UNIT
%
CAS NUMBER
7439-96-5
CRITERIA
Mo
VALUE
val1
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UNIT
%
CAS NUMBER
7439-98-7
CRITERIA
Si
VALUE
val1
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UNIT
%
CAS NUMBER
7440-21-3
CRITERIA
V
VALUE
val1
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UNIT
%
CAS NUMBER
7440-62-2
CRITERIA
W
VALUE
val1
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UNIT
%
CAS NUMBER
7440-33-7

SAE J 368: 1988 / High-Strength, Quenched, and Tempered Structural Steels

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AISI S-1 Physical Properties

Temperature

PROPERTY / VALUE
Modulus of Elasticity
190 — 210 GPa
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Density
7.67 — 8 kg/dm³
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Poisson Coefficient
0.27 — 0.3
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This material has 287 properties — only a subset is shown here.

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AISI S-1 Heat Treatments

  • Preheat: 677°C (1250°F)
    Austenitizing: Salt Bath: 941°C (1725°F), Controlled Atmosphere Furnaces: 954°C (1750°F)
    Austenitizing time: 5-15 minutes
    Quench Medium: Oil
    Tempering: 204°C (400°F)
    Single-tempered for 2h
  • Preheated: 649-704°C; Hardened and quenched: 899-982°C, cooling in oil. Tempered: 150-538°C. Annealed: 788-815°C, maximum rate of cooling: 28°C/hour.

AISI S-1 Mechanical Properties

Temperature

PROPERTY / VALUE
Brinell Hardness (HB)
192 — 255
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Rockwell Hardness (HR)
45 — 59
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AISI S-1 International Equivalent Materials

Showing 15 of 134 results.

MATERIAL
STANDARD
COUNTRY / PRODUCER
EQUIVALENCE CATEGORY
MATERIAL
5CrW2Si
STANDARD
GB
COUNTRY / PRODUCER
China
EQUIVALENCE CATEGORY
Official
MATERIAL
S1
STANDARD
PROPRIETARY
COUNTRY / PRODUCER
EQUIVALENCE CATEGORY
Official
MATERIAL
T41901
STANDARD
UNS
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Official
MATERIAL
BS 1
STANDARD
B.S.
COUNTRY / PRODUCER
United Kingdom
EQUIVALENCE CATEGORY
Implicit
MATERIAL
19 732
STANDARD
CSN
COUNTRY / PRODUCER
Czech Republic
EQUIVALENCE CATEGORY
Implicit
MATERIAL
T40295
STANDARD
GB
COUNTRY / PRODUCER
China
EQUIVALENCE CATEGORY
Official
MATERIAL
T24730
STANDARD
GB
COUNTRY / PRODUCER
China
EQUIVALENCE CATEGORY
Official
MATERIAL
1.2542
STANDARD
DIN
COUNTRY / PRODUCER
Germany
EQUIVALENCE CATEGORY
Implicit
MATERIAL
1.2547
STANDARD
DIN
COUNTRY / PRODUCER
Germany
EQUIVALENCE CATEGORY
Implicit
MATERIAL
45 WCrV 7-7
STANDARD
DIN
COUNTRY / PRODUCER
Germany
EQUIVALENCE CATEGORY
Implicit
MATERIAL
55 WCrV 8
STANDARD
EU
COUNTRY / PRODUCER
European Union
EQUIVALENCE CATEGORY
Implicit
MATERIAL
4HV2S
STANDARD
GOST
COUNTRY / PRODUCER
Russia
EQUIVALENCE CATEGORY
Implicit
MATERIAL
5HV2SF
STANDARD
GOST
COUNTRY / PRODUCER
Russia
EQUIVALENCE CATEGORY
Implicit
MATERIAL
SKS 4
STANDARD
JIS
COUNTRY / PRODUCER
Japan
EQUIVALENCE CATEGORY
Implicit
MATERIAL
SKS 41
STANDARD
JIS
COUNTRY / PRODUCER
Japan
EQUIVALENCE CATEGORY
Implicit

Equivalence categories reflect chemical-composition and mechanical-property comparison — always verify suitability against the governing specification for your application.

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  • 134Cross References
  • 24Composition
  • 6Mechanical Properties
  • 6Physical Properties
  • 5Heat Treatment
  • -Metallography
  • 1Machinability
  • -Stress-Strain
  • -Formability
  • -Fatigue
  • -Fracture
  • -Creep
  • -Joints
  • -Coatings
  • 40Dimensions
  • -Tribology
  • -Corrosion
  • -Ageing
  • -Weatherability
  • -Irradiation
  • 71Total Suppliers