4320 H (United States / SAE) Material Properties

Material group: Ferrous Alloys / Structural and constructional steels
Country/Standard: United States / SAE

Data updates

Latest Update: 2024-07
Total number of updates: 2
Update History:
2019-03

Mechanical Properties

Temperature

0 - 30°C
PROPERTY / VALUE
Tensile Strength ≤ 860 MPa view details
Brinell Hardness (HB) ≤ 262 view details
Rockwell Hardness (HR) ≤ 25 view details
Grain Size val1
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view details
Tensile Strength ≤ 860 MPa view details
Brinell Hardness (HB) ≤ 262 view details
Rockwell Hardness (HR) ≤ 25 view details
Grain Size val1
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view details

Physical Properties

Temperature

0 - 30°C
PROPERTY / VALUE
Modulus of Elasticity 190 — 210 GPa view details
Density 7.67 — 7.86 kg/dm³ view details
Poisson Coefficient 0.27 — 0.3 view details
Modulus of Elasticity 190 — 210 GPa view details
Density 7.67 — 7.86 kg/dm³ view details
Poisson Coefficient 0.27 — 0.3 view details

Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
0.17 – 0.23
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
0.35 – 0.65
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Cu
VALUE
≤ 0.35
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

SAE J 1268: 2010 / Hardenability bands for carbon and alloy H steels

Heat Treatments

  • Normalized: 925°C, Austenitized: 925°C