718 (European Union / EN) Material Properties

Material group: Nonferrous Alloys / Nickel / Nickel Alloy
Country/Standard: European Union / EN

Data updates

Latest Update: 2024-03
Total number of updates: 1
Update History:

Mechanical Properties

Temperature

0 - 30°C
PROPERTY / VALUE
Yield Strength, Rp0.2 1030 MPa view details
Tensile Strength 1230 MPa view details
Elongation, A 0.20d view details
Rockwell Hardness (HR) val1
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Vickers Hardness (HV) val1
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Yield Strength, Rp0.2 149.4 ksi view details
Tensile Strength 178.4 ksi view details
Elongation, A 0.20d view details
Rockwell Hardness (HR) val1
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Vickers Hardness (HV) val1
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Physical Properties

Temperature

0 - 30°C
PROPERTY / VALUE
Modulus of Elasticity 185 — 205 GPa view details
Density 7.9 — 8.8 kg/dm³ view details
Poisson Coefficient val1
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Service Temperature ≤ 700 °C view details
Modulus of Elasticity 26.8 E+03 — 29.7 E+03 ksi view details
Density 0.285 — 0.318 lb/in³ view details
Poisson Coefficient val1
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Service Temperature ≤ 1292 °F view details

Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
Al
VALUE
0.30 – 0.70
UNIT
%
CAS NUMBER
7429-90-5
CRITERIA
B
VALUE
0.0020 – 0.0060
UNIT
%
CAS NUMBER
7440-42-8
CRITERIA
C
VALUE
0.020 – 0.080
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Co
VALUE
val1
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UNIT
%
CAS NUMBER
7440-48-4
CRITERIA
Cr
VALUE
val1
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UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Cu
VALUE
val1
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UNIT
%
CAS NUMBER
7440-50-8
CRITERIA
Mn
VALUE
val1
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UNIT
%
CAS NUMBER
7439-96-5
CRITERIA
Mo
VALUE
val1
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UNIT
%
CAS NUMBER
7439-98-7
CRITERIA
Nb+Ta
VALUE
val1
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UNIT
%
CAS NUMBER
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
CRITERIA
Ti
VALUE
val1
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UNIT
%
CAS NUMBER
7440-32-6

EN ISO 3506-5: 2022 / Fasteners - Mechanical properties of corrosion-resistant stainless steel fasteners - Part 5: Special fasteners (also including fasteners from nickel alloys) for high temperature applications

Heat Treatments

  • Solution annealed and precipitation hardened: <br> 1. Solution annealing: 940-1010°C <br> 2. Precipitation hardened: 1st step: 710-730°C [≥ 8 h]; 2nd step: 610-630°C; Total treatment time: 18h minimum