PROPRIETARY 18CrNiMo7-6 Structural and constructional steels

Material group: Ferrous Alloys / Structural and constructional steels
Country / Standard: PROPRIETARY
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Data updates

Latest Update: 2017-04
Total number of updates: 1
Update History

This material has 270 properties — only a subset is shown here.

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PROPRIETARY 18CrNiMo7-6 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
0.1500 – 0.2100
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
1.5000 – 1.8000
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Mn
VALUE
0.5000 – 0.9000
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
Pb
VALUE
val1
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UNIT
%
CAS NUMBER
7439-92-1
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

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PROPRIETARY 18CrNiMo7-6 Physical Properties

Temperature

PROPERTY / VALUE
Modulus of Elasticity
190 — 210 GPa
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Electrical Resistivity
0.18 Ω∙mm²/m
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Density
val1
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kg/dm³
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Electrical Conductivity
val1
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S/m
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Heat Capacity
val1
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J/(kg∙°C)
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Thermal Conductivity
38 W/(m∙°C)
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Poisson Coefficient
val1
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This material has 270 properties — only a subset is shown here.

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PROPRIETARY 18CrNiMo7-6 Heat Treatments

  • Hot-forming at 1150 to 900°C.
    Normalizing (+N) at 860°C to 925°C, air.
    Core hardening at 830 to 870°C, oil or polymer.
    Carburizing at 900 to 950°C.
    Hardening carburiz. surface at 780 to 820°C, oil or polymer.
    Temperig (T) at 150 to 200°C, air.
    Annealing (+FP) at 900 to 1000°C.
    Soft annealing (+A) at 660°C to 700, air.
    Isothermal annealing (+I) at 850°C to 900, furnace cooling to 610°C, tha air.
    Spheroidized annealed (+AC) at 1000 to 1100°C, furnace cooling to 650°C, then air.
    End quench hardenability at 860°C, water.
    Mechanical properties for hot-formed, after hardening 850°C oil + stress-relieving at 200°C; Quenching 850°C water, tempering 200°C, air; Mechanical properties at different tempering temperatures obtained after quenching at 850°C in water.

PROPRIETARY 18CrNiMo7-6 Mechanical Properties

Temperature

PROPERTY / VALUE
Tensile Strength
700 — 1420 MPa
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Brinell Hardness (HB)
140 — 406
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Elongation, A
≥ 7 %
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Reduction of Area
val1
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%
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Rockwell Hardness (HR)
val1
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Yield Strength, Rp0.2
val1
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MPa
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Impact Energy
val1
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J
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PROPRIETARY 18CrNiMo7-6 International Equivalent Materials

Showing 15 of 89 results.

MATERIAL
STANDARD
COUNTRY / PRODUCER
EQUIVALENCE CATEGORY
MATERIAL
En355
STANDARD
B.S.
COUNTRY / PRODUCER
United Kingdom
EQUIVALENCE CATEGORY
Implicit
MATERIAL
1.6545
STANDARD
DIN
COUNTRY / PRODUCER
Germany
EQUIVALENCE CATEGORY
Implicit
MATERIAL
30 NiCrMo 2-2
STANDARD
DIN
COUNTRY / PRODUCER
Germany
EQUIVALENCE CATEGORY
Implicit
MATERIAL
SA-29 Grade 4820
STANDARD
ASME
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Implicit
MATERIAL
17 CrNiMo 7
STANDARD
EU
COUNTRY / PRODUCER
European Union
EQUIVALENCE CATEGORY
Implicit
MATERIAL
18CrNiMo7-6
STANDARD
ISO
COUNTRY / PRODUCER
International
EQUIVALENCE CATEGORY
Implicit
MATERIAL
Ch.4321
STANDARD
JUS
COUNTRY / PRODUCER
Yugoslavia
EQUIVALENCE CATEGORY
Implicit
MATERIAL
17HNM
STANDARD
PN
COUNTRY / PRODUCER
Poland
EQUIVALENCE CATEGORY
Implicit
MATERIAL
G48200
STANDARD
UNS
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Implicit
MATERIAL
Ch.4382
STANDARD
JUS
COUNTRY / PRODUCER
Yugoslavia
EQUIVALENCE CATEGORY
Implicit
MATERIAL
Ch.4520
STANDARD
JUS
COUNTRY / PRODUCER
Yugoslavia
EQUIVALENCE CATEGORY
Implicit
MATERIAL
4517
STANDARD
NBR
COUNTRY / PRODUCER
Brazil
EQUIVALENCE CATEGORY
Implicit
MATERIAL
4820
STANDARD
NBR
COUNTRY / PRODUCER
Brazil
EQUIVALENCE CATEGORY
Implicit
MATERIAL
Monix F
STANDARD
PROPRIETARY
COUNTRY / PRODUCER
EQUIVALENCE CATEGORY
Implicit
MATERIAL
18 MoCrNi 13 q
STANDARD
STAS
COUNTRY / PRODUCER
Romania
EQUIVALENCE CATEGORY
Implicit

Equivalence categories reflect chemical-composition and mechanical-property comparison — always verify suitability against the governing specification for your application.

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  • 89Cross References
  • 9Composition
  • 81Mechanical Properties
  • 14Physical Properties
  • 2Heat Treatment
  • 2Metallography
  • -Machinability
  • 11Stress-Strain
  • -Formability
  • -Fatigue
  • -Fracture
  • -Creep
  • -Joints
  • -Coatings
  • -Dimensions
  • -Tribology
  • -Corrosion
  • -Ageing
  • -Weatherability
  • -Irradiation
  • 62Total Suppliers