ASME SA-372 Grade E Class 70 Structural and constructional steels

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

Data updates

Latest Update: 2024-02
Total number of updates: 5
Update History
2024-01 2023-11 2023-10 2020-10

This material has 183 properties — only a subset is shown here.

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ASME SA-372 Grade E Class 70 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
0.25 – 0.35
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
0.80 – 1.15
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Mn
VALUE
0.40 – 0.90
UNIT
%
CAS NUMBER
7439-96-5
CRITERIA
Mo
VALUE
val1
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UNIT
%
CAS NUMBER
7439-98-7
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

ASME Boiler and Pressure Vessel Code An International Code Section II - Part A Ferrous Material Specifications / American Society of Mechanical Engineers / 2025

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ASME SA-372 Grade E Class 70 Physical Properties


Temperature

PROPERTY / VALUE
Modulus of Elasticity
val1
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GPa
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Density
7.67 — 7.86 kg/dm³
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Poisson Coefficient
val1
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Coefficient of Thermal Expansion (CTE)
val1
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10-6/°C
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Thermal Conductivity
41 W/(m∙°C)
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This material has 183 properties — only a subset is shown here.

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ASME SA-372 Grade E Class 70 Heat Treatments

  • Forgings shall be normalized, normalized and tempered, or liquid-quenched and tempered or normalized followed by liquid quench and temper.
    When normalized forgings are to be tempered, or when forgings have been quenched, they shall be reheated to a subcritical temperature and held for at least 0.5h/25 mm.
    The minimum tempering temperature shall be 595°C (1100°F).

ASME SA-372 Grade E Class 70 Mechanical Properties


Temperature

PROPERTY / VALUE
Yield Strength, Rp0.2
val1
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MPa
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Tensile Strength
825 — 1000 MPa
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Elongation, A
18 %
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Brinell Hardness (HB)
248
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  • 12 Cross References

  • 7 Composition
  • 39 Mechanical Properties
  • 83 Physical Properties
  • 1 Heat Treatment
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  • 1 Formability
  • - Fatigue
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  • 33 Creep

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  • 6 Dimensions
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