X8CrNiMoAl15-7-2 (Germany / DIN) Material Properties

Other designations:
Material group: Ferrous Alloys / Stainless steels
Country/Standard: Germany / DIN

Data updates

Latest Update: 2020-03
Total number of updates: 1
Update History:

Mechanical Properties

Temperature

0 - 30°C
PROPERTY / VALUE
Yield Strength, Rp0.2 1380 MPa view details
Tensile Strength 1100 MPa view details
Elongation, A 2 % view details
Yield Strength, Rp0.2 200.2 ksi view details
Tensile Strength 159.5 ksi view details
Elongation, A 2 % view details

Physical Properties

Temperature

0 - 30°C
PROPERTY / VALUE
Modulus of Elasticity 190 — 215 GPa view details
Density 7.61 — 8.1 kg/dm³ view details
Poisson Coefficient 0.27 — 0.3 view details
Modulus of Elasticity 27.6 E+03 — 31.2 E+03 ksi view details
Density 0.275 — 0.293 lb/in³ view details
Poisson Coefficient 0.27 — 0.3 view details

Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
Al
VALUE
0.70 – 1.50
UNIT
%
CAS NUMBER
7429-90-5
CRITERIA
C
VALUE
≤ 0.10
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
14.00 – 16.00
UNIT
%
CAS NUMBER
7440-47-3
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
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

Stainless steels - Part 1: list of stainless steels, EN 10088-1 / 1995

Heat Treatments

  • Hot working (air cooling): 1150-900°C; P1550 - Solution annealing for 10 minutes at 945 to 965°C followed by rapid cooling to less than or equal to 20 C. Cool within 1 hour to - 70°C and hold for 8 hours then reheat in air to +20°C. Finally precipitation harden for 1 hour at 500 to 520°C.