GB A50403 Structural and constructional steels

Material group: Ferrous Alloys / Structural and constructional steels
Country / Standard: China / GB
Indicative price:

Data updates

Latest Update: 2026-05
Total number of updates: 1
Update History

This material has 456 properties — only a subset is shown here.

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GB A50403 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
0.37 – 0.44
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
0.60 – 0.90
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Cu
VALUE
≤ 0.30
UNIT
%
CAS NUMBER
7440-50-8
CRITERIA
Mn
VALUE
val1
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UNIT
%
CAS NUMBER
7439-96-5
CRITERIA
Mo
VALUE
val1
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UNIT
%
CAS NUMBER
7439-98-7
CRITERIA
Ni
VALUE
val1
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UNIT
%
CAS NUMBER
7440-02-0
CRITERIA
P
VALUE
val1
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UNIT
%
CAS NUMBER
7723-14-0
CRITERIA
S
VALUE
val1
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UNIT
%
CAS NUMBER
7704-34-9
CRITERIA
Si
VALUE
val1
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UNIT
%
CAS NUMBER
7440-21-3

GB/T 3077: 1999 / Alloy structure steels

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GB A50403 Physical Properties


Temperature

PROPERTY / VALUE
Modulus of Elasticity
190 — 210 GPa
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Density
val1
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kg/dm³
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Poisson Coefficient
val1
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This material has 456 properties — only a subset is shown here.

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GB A50403 Heat Treatments


  • Quenched at 850°C, oil cooled. Tempered at 600°C, cooled in water or oil.

GB A50403 Mechanical Properties


Temperature

PROPERTY / VALUE
Tensile Strength
≥ 980 MPa
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Brinell Hardness (HB)
val1
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Elongation, A
val1
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%
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Impact Energy
val1
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J
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Reduction of Area
val1
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%
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Yield Strength, Rp0.2
val1
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MPa
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GB A50403 International Equivalent Materials


Showing 15 of 189 results.

MATERIAL
STANDARD
COUNTRY / PRODUCER
EQUIVALENCE CATEGORY
MATERIAL
STANDARD
B.S.
COUNTRY / PRODUCER
United Kingdom
EQUIVALENCE CATEGORY
Official
MATERIAL
STANDARD
DIN
COUNTRY / PRODUCER
Germany
EQUIVALENCE CATEGORY
Official
MATERIAL
STANDARD
DIN
COUNTRY / PRODUCER
Germany
EQUIVALENCE CATEGORY
Official
MATERIAL
STANDARD
AFNOR NF
COUNTRY / PRODUCER
France
EQUIVALENCE CATEGORY
Official
MATERIAL
STANDARD
AFNOR NF
COUNTRY / PRODUCER
France
EQUIVALENCE CATEGORY
Official
MATERIAL
STANDARD
B.S.
COUNTRY / PRODUCER
United Kingdom
EQUIVALENCE CATEGORY
Official
MATERIAL
STANDARD
BDS
COUNTRY / PRODUCER
Bulgaria
EQUIVALENCE CATEGORY
Official
MATERIAL
STANDARD
BDS
COUNTRY / PRODUCER
Bulgaria
EQUIVALENCE CATEGORY
Official
MATERIAL
STANDARD
CSN
COUNTRY / PRODUCER
Czech Republic
EQUIVALENCE CATEGORY
Official
MATERIAL
STANDARD
EN
COUNTRY / PRODUCER
European Union
EQUIVALENCE CATEGORY
Official
MATERIAL
STANDARD
EN
COUNTRY / PRODUCER
European Union
EQUIVALENCE CATEGORY
Official
MATERIAL
STANDARD
UNI
COUNTRY / PRODUCER
Italy
EQUIVALENCE CATEGORY
Official
MATERIAL
STANDARD
NBN
COUNTRY / PRODUCER
Belgium
EQUIVALENCE CATEGORY
Official
MATERIAL
STANDARD
NS
COUNTRY / PRODUCER
Norway
EQUIVALENCE CATEGORY
Official
MATERIAL
STANDARD
UNE
COUNTRY / PRODUCER
Spain
EQUIVALENCE CATEGORY
Official

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

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  • 189Cross References

  • 9Composition
  • 26Mechanical Properties
  • 51Physical Properties
  • 1Heat Treatment
  • 29Metallography
  • -Machinability

  • 4Stress-Strain
  • -Formability
  • -Fatigue
  • -Fracture
  • 7Creep

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

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

  • 140Total Suppliers