GB T10020 Tool steels

Material group: Ferrous Alloys / Tool steels
Country / Standard: China / GB

Data updates

Latest Update: 2026-03
Total number of updates: 1
Update History

This material has 134 properties — only a subset is shown here.

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GB T10020 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
1.15 – 1.24
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Mn
VALUE
0.10 – 0.40
UNIT
%
CAS NUMBER
7439-96-5
CRITERIA
Si
VALUE
0.17 – 0.37
UNIT
%
CAS NUMBER
7440-21-3

GB/T 1299: 2025 / Tool and mould steels

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GB T10020 Physical Properties


Temperature

PROPERTY / VALUE
Modulus of Elasticity
190 — 210 GPa
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Density
7.72 — 8 kg/dm³
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Poisson Coefficient
0.27 — 0.3
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This material has 134 properties — only a subset is shown here.

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GB T10020 Heat Treatments


  • Quenched at 760 - 780°C in water.

GB T10020 Mechanical Properties


Temperature

PROPERTY / VALUE
Brinell Hardness (HB)
≤ 207
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Rockwell Hardness (HR)
≥ 62
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GB T10020 International Equivalent Materials


Showing 15 of 67 results.

MATERIAL
STANDARD
COUNTRY / PRODUCER
EQUIVALENCE CATEGORY
MATERIAL
STANDARD
JIS
COUNTRY / PRODUCER
Japan
EQUIVALENCE CATEGORY
Official
STANDARD
ASTM
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Official
MATERIAL
STANDARD
ISO
COUNTRY / PRODUCER
International
EQUIVALENCE CATEGORY
Official
STANDARD
ASTM
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Official
MATERIAL
STANDARD
AFNOR NF
COUNTRY / PRODUCER
France
EQUIVALENCE CATEGORY
Implicit
MATERIAL
STANDARD
GB
COUNTRY / PRODUCER
China
EQUIVALENCE CATEGORY
Implicit
MATERIAL
STANDARD
GB
COUNTRY / PRODUCER
China
EQUIVALENCE CATEGORY
Implicit
MATERIAL
STANDARD
GB
COUNTRY / PRODUCER
China
EQUIVALENCE CATEGORY
Implicit
MATERIAL
STANDARD
Generic
COUNTRY / PRODUCER
EQUIVALENCE CATEGORY
Implicit
MATERIAL
STANDARD
ISO
COUNTRY / PRODUCER
International
EQUIVALENCE CATEGORY
Implicit
MATERIAL
STANDARD
JIS
COUNTRY / PRODUCER
Japan
EQUIVALENCE CATEGORY
Implicit
MATERIAL
STANDARD
JIS
COUNTRY / PRODUCER
Japan
EQUIVALENCE CATEGORY
Implicit
MATERIAL
STANDARD
JUS
COUNTRY / PRODUCER
Yugoslavia
EQUIVALENCE CATEGORY
Implicit
MATERIAL
STANDARD
UNI
COUNTRY / PRODUCER
Italy
EQUIVALENCE CATEGORY
Implicit
MATERIAL
STANDARD
UNS
COUNTRY / PRODUCER
United States
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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  • 67Cross References

  • 3Composition
  • 2Mechanical Properties
  • 4Physical Properties
  • 1Heat Treatment
  • 8Metallography
  • -Machinability

  • -Stress-Strain
  • -Formability
  • -Fatigue
  • -Fracture
  • -Creep

  • -Joints
  • -Coatings
  • 1Dimensions
  • -Tribology

  • -Corrosion
  • -Ageing
  • -Weatherability
  • -Irradiation

  • 48Total Suppliers