ASME SA-727 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: 6

Update History

2024-01 2023-11 2023-10 2022-04 2020-07

This material has 8765 properties — only a subset is shown here.

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ASME SA-727 Chemical Composition

CRITERIA

VALUE

UNIT

CAS NUMBER

CRITERIA

VALUE

≤ 0.25

UNIT

CAS NUMBER

7440-44-0

CRITERIA

CEV

VALUE

≤ 0.45

UNIT

CAS NUMBER

CRITERIA

VALUE

≤ 0.30

UNIT

CAS NUMBER

7440-47-3

CRITERIA

Cr+Cu+Mo+Ni

VALUE

val1

UNIT

CAS NUMBER

CRITERIA

Cr+Mo

VALUE

val1

UNIT

CAS NUMBER

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7440-50-8

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7439-96-5

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7439-98-7

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7440-03-1

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7440-02-0

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7723-14-0

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7704-34-9

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7440-21-3

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7440-62-2

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-727 Physical Properties

Temperature

≤ 0°C 0 - 30°C 30 - 100°C 100 - 300°C ≥ 300°C

PROPERTY / VALUE

Modulus of Elasticity

190 — 210 GPa

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Thermal Conductivity

val1 W/(m∙°C)

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Density

val1 kg/dm³

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Poisson Coefficient

val1

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Service Temperature

val1 °C

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Coefficient of Thermal Expansion (CTE)

val1 10^-6/°C

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This material has 8765 properties — only a subset is shown here.

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ASME SA-727 Heat Treatments

Material shall be heat treated by normalizing, or normalizing and tempering, or quenching and tempering.
Normalizing: uniformly heating the forgings to a temperature between 845 and 925°C (1550 and 1700°F), holding a sufficient time to attain uniform temperature throughout, and cooling in still air. The forging shall be at a temperature below 540°C (1000°F) before heating for normalizing.
Quenching: uniformly heating the forging to a temperature between 845 and 925°C (1550 and 1700°F), holding a sufficient time to attain uniform temperature throughout, and quenching into a suitable liquid medium. The forging shall be at a temperature below 540°C (1000°F) before heating for quenching.
Tempering: reheating the forging subsequent to normalizing or quenching to a temperature of at least 595°C (1100°F), but not above the lower transformation temperature, for 30 min/25 mm of maximum section thickness, with minimum holding time at tempering temperature not less than 30 min.

ASME SA-727 Mechanical Properties

Temperature

0 - 30°C 30 - 100°C 100 - 300°C ≥ 300°C

PROPERTY / VALUE

Tensile Strength

415 — 585 MPa

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Brinell Hardness (HB)

val1

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Elongation, A

val1 %

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Reduction of Area

val1 %

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Yield Strength, Rp0.2

val1 MPa

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ASME SA-727 International Equivalent Materials

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MATERIAL

STANDARD

COUNTRY / PRODUCER

EQUIVALENCE CATEGORY

MATERIAL

A 727

STANDARD

ASTM

COUNTRY / PRODUCER

United States

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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1Cross References

14Composition
40Mechanical Properties
83Physical Properties
1Heat Treatment
-Metallography
-Machinability

1Stress-Strain
-Formability
-Fatigue
-Fracture
50Creep

83Joints
-Coatings
-Dimensions
1Tribology

8491Corrosion
-Ageing
-Weatherability
-Irradiation

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