PROPRIETARY Ferrium S53 Stainless steels

Material group: Ferrous Alloys / Stainless steels

Country / Standard: PROPRIETARY

Data updates

Latest Update: 2025-06

Total number of updates: 5

Update History

2020-07 2016-01 2014-07 2014-01

This material has 72 properties — only a subset is shown here.

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PROPRIETARY Ferrium S53 Chemical Composition

CRITERIA

VALUE

UNIT

CAS NUMBER

CRITERIA

VALUE

0.2100

UNIT

CAS NUMBER

7440-44-0

CRITERIA

VALUE

14.0000

UNIT

CAS NUMBER

7440-48-4

CRITERIA

VALUE

10.0000

UNIT

CAS NUMBER

7440-47-3

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7439-89-6

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7439-98-7

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7440-02-0

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7440-62-2

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7440-33-7

QuesTek Innovations LLC, Product Data Sheet,

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PROPRIETARY Ferrium S53 Physical Properties

Temperature

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

PROPERTY / VALUE

Modulus of Elasticity

190 — 215 GPa

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Thermal Conductivity

17.97 W/(m∙°C)

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Density

val1 kg/dm³

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Heat Capacity

val1 J/(kg∙°C)

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Poisson Coefficient

val1

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This material has 72 properties — only a subset is shown here.

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PROPRIETARY Ferrium S53 Heat Treatments

Solution treatment: 1085 °C (1985 °F) 1 hour and oil quench or equivalent.
Quenching: Gas, oil, or equivalent.
Cold treatment: Following normalization and/or solution treatment, -73 °C (-100 °F) for 1 hour and air warm.
Straightening: Operations such as shaft straightening (if required) should preferably be done after the sub-zero treatment but prior to the temper. Ferrium S53 achieves full mechanical strength after tempering, and thus trying to straighten parts after tempering will be more difficult. For some parts, mechanical straightening may be desired to compensate for possible distortion during heat treatment. Prior to straightening, a low temperature stress relief at 200 °C (392 °F) for 1 hour following the first refrigeration operation should be conducted. Hot straightening should be conducted below 371 °C (700 °F) to avoid tempering, oxidation, or decarburization.
Stress relieving: If it is desired to stress-relieve a machined part in the mill-annealed condition as a means to help prevent distortion during further processing (e.g., if significant forces were imposed on the part during machining), then either of two options are recommended:
I. Produce the part in a rough-machined state with adequate stock material on all surfaces so that oxide scale can be removed, and then stress-relieve the part at ~649 °C (1200 °F) for 2 hours, followed by cooling in air. Then complete all final machining operations prior to solution treatment, quench, sub-zero treatment, and temper, in order to remove the oxide scale formed at 649 °C (1200 °F).
II. Produce the part in a fully or nearly fully machined state prior to solution treatment, sub-zero treatment quench and temper, and then stress-relieve the part at 371 °C (700 °F) for 2 hours or 274 °C (525 °F) for 4 hours, followed by cooling in air.
Tempering: Temper at 501 °C (934 °F) for 3 hours and oil quench or equivalent, followed by -73 °C (-100 °F) for 1 hour and air warm, then temper at 482 °C (900 °F) for 12 hours and air cool.

PROPRIETARY Ferrium S53 Mechanical Properties

Temperature

0 - 30°C

PROPERTY / VALUE

Tensile Strength

288 — 1986 MPa

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Elongation, A

15 %

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Impact Energy

val1 J

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Reduction of Area

val1 %

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Rockwell Hardness (HR)

val1

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Yield Strength, Rp0.2

225 — 1551 MPa

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PROPRIETARY Ferrium S53 International Equivalent Materials

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MATERIAL

STANDARD

COUNTRY / PRODUCER

EQUIVALENCE CATEGORY

MATERIAL

S10500

STANDARD

UNS

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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2Cross References

16Composition
17Mechanical Properties
22Physical Properties
1Heat Treatment
-Metallography
-Machinability

7Stress-Strain
-Formability
-Fatigue
5Fracture
-Creep

-Joints
-Coatings
-Dimensions
-Tribology

-Corrosion
-Ageing
-Weatherability
-Irradiation

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