EN 16NiCrS4 Structural and constructional steels

Material group: Ferrous Alloys / Structural and constructional steels

Country/Standard: European Union / EN

Data updates

Latest Update: 2024-12

Total number of updates: 6

Update History

2020-03 2018-10 2018-09 2018-08 2017-08

This material has 308 properties — only a subset is shown here.

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EN 16NiCrS4 Chemical Composition

CRITERIA

VALUE

UNIT

CAS NUMBER

CRITERIA

VALUE

0.13 – 0.19

UNIT

CAS NUMBER

7440-44-0

CRITERIA

VALUE

0.60 – 1.00

UNIT

CAS NUMBER

7440-47-3

CRITERIA

VALUE

0.70 – 1.00

UNIT

CAS NUMBER

7439-96-5

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

EN 10084: 2008 / Case hardening steels - Technical delivery conditions

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EN 16NiCrS4 Physical Properties

Temperature

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

PROPERTY / VALUE

Modulus of Elasticity

190 — 210 GPa

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Shear Modulus

val1 GPa

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Density

val1 kg/dm³

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Poisson Coefficient

val1

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Thermal Conductivity

38 W/(m∙°C)

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Heat Capacity

val1 J/(kg∙°C)

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Electrical Resistivity

0.18 Ω∙mm²/m

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Electrical Conductivity

val1 S/m

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This material has 308 properties — only a subset is shown here.

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EN 16NiCrS4 Heat Treatments

End quench test austenitizing at 880 ± 5°C (Time for austenitizing as a guide: 30 min minimum);

Carburizing at 880-980°C (The carburizing temperature depends on the chemical composition of the steel, the mass of the product and the carburizing medium. If the steels are direct hardened, in general, a temperature of 950°C is not exceeded. For special procedures, for example under vacuum, higher temperatures (for example 1020-1050°C) are not unusual);

Direct and simple hardening at 820-860°C (The kind of quenching agent depends on, for example the shape of the products, the cooling conditions and the amount of furnace filling. If the steels are direct hardened and if there is a danger of distortion, they should be quenched from a temperature between the core-hardening and case-hardening temperatures);

Double hardening: Core-hardening at 850-890°C and Case-hardening at 780-820°C;

Tempering at 150-200°C (Time for tempering as a guide: 1h minimum).
End quench test: Quench from 880°C Carburizing: 880 to 980°C; NOTE: If steels are direct hardened, in general, a carburizing temperature of 950°C is not exceeded. For special procedures, for example under vacuum, higher temperatures (for example 1020 to 1050°C) are not unusual. Core hardening: 850 to 890°C; Case hardening: 780 to 820°C; Tempering: 150 to 200°C (as a guide, for 1 hour minimum).

EN 16NiCrS4 Mechanical Properties

Temperature

0 - 30°C

PROPERTY / VALUE

Tensile Strength

800 MPa

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Brinell Hardness (HB)

156 — 270

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Grain Size

Fine grain steel shall have an austenite grain size of 5 or finer. Sampling and sample preparation shall be as specified in ISO 643. The grain size shall be determined from a carburized specimen. Carburization shall be achieved by maintaining the specimen in carburizing powder at 950°C ± 10°C for 6 h. This is generally done by keeping the carburizing chamber at 950°C ± 10°C for 8 h, including a preheating period. In most cases, a carburized layer of approximately 1 mm is obtained.; Steel shall have an austenite grain size of 5 or finer in accordance with ISO 643.

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96 Cross References

38 Composition
59 Mechanical Properties
15 Physical Properties
6 Heat Treatment
- Metallography
- Machinability

- Stress-Strain
- Formability
- Fatigue
- Fracture
- Creep

- Joints
- Coatings
2 Dimensions
- Tribology

- Corrosion
- Ageing
- Weatherability
- Irradiation

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