CSN 17NiCrMo6-4 Structural and constructional steels
Material group:
Ferrous Alloys / Structural and constructional steels
Country / Standard:
Czech Republic / CSN
Indicative price:
Data updates
Latest Update: 2024-12
Total number of updates: 6
Update History
2020-12
2019-06
2018-10
2018-09
2018-08
This material has 346 properties — only a subset is shown here.
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CSN 17NiCrMo6-4 Chemical Composition
CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
0.14 – 0.20
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
0.80 – 1.10
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Mn
VALUE
0.60 – 0.90
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
EN 10084: 2008 / Case hardening steels - Technical delivery conditions
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CSN 17NiCrMo6-4 Physical Properties
Temperature
Modulus of Elasticity
190 — 210
GPa
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Density
7.67 — 7.86
kg/dm³
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Poisson Coefficient
0.27 — 0.3
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CSN 17NiCrMo6-4 Heat Treatments
- End quench test austenitizing at 900 ± 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 810-850°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 830-870°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: 830 to 870°C; Case hardening: 780 to 820°C; Tempering: 150 to 200°C (as a guide, for 1 hour minimum).
CSN 17NiCrMo6-4 Mechanical Properties
Temperature
Tensile Strength
≥ 800
MPa
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Brinell Hardness (HB)
149 — 275
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Grain Size
val1
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CSN 17NiCrMo6-4 International Equivalent Materials
Showing 15 of 129 results.
MATERIAL
STANDARD
COUNTRY / PRODUCER
EQUIVALENCE CATEGORY
MATERIAL
STANDARD
B.S.
COUNTRY / PRODUCER
United Kingdom
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
STANDARD
AFNOR NF
COUNTRY / PRODUCER
France
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
STANDARD
B.S.
COUNTRY / PRODUCER
United Kingdom
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
STANDARD
BDS
COUNTRY / PRODUCER
Bulgaria
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
STANDARD
EN
COUNTRY / PRODUCER
European Union
EQUIVALENCE CATEGORY
Composition 100%
Equivalence categories reflect chemical-composition and mechanical-property comparison — always verify suitability against the governing specification for your application.
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- 129Cross References
- 35Composition
- 52Mechanical Properties
- 3Physical Properties
- 6Heat Treatment
- 5Metallography
- -Machinability
- -Stress-Strain
- -Formability
- 5Fatigue
- -Fracture
- -Creep
- -Joints
- -Coatings
- 2Dimensions
- -Tribology
- -Corrosion
- -Ageing
- -Weatherability
- -Irradiation
- 109Total Suppliers