X3CrNiMoAl13-8-2 (France / AFNOR NF) Material Properties

Other designations: ,
Material group: Ferrous Alloys / Stainless steels
Country/Standard: France / AFNOR NF

Data updates

Latest Update: 2025-11
Total number of updates: 5
Update History:
2022-04 2020-04 2019-09 2019-06

Mechanical Properties

Temperature

0 - 30°C
PROPERTY / VALUE
Yield Strength, Rp0.2 val1
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MPa view details
Tensile Strength 930 — 1550 MPa view details
Elongation, A 8 % view details
Reduction of Area val1
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% view details
Impact Energy val1
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J view details
Brinell Hardness (HB) 360 view details
Rockwell Hardness (HR) val1
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view details
Grain Size val1
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view details
Yield Strength, Rp0.2 val1
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ksi view details
Tensile Strength 134.9 — 224.8 ksi view details
Elongation, A 8 % view details
Reduction of Area val1
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% view details
Impact Energy val1
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ft·lb view details
Brinell Hardness (HB) 360 view details
Rockwell Hardness (HR) val1
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view details
Grain Size val1
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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
0.90 – 1.35
UNIT
%
CAS NUMBER
7429-90-5
CRITERIA
C
VALUE
≤ 0.05
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
12.25 – 13.25
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
N
VALUE
val1
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UNIT
%
CAS NUMBER
7727-37-9; 17778-88-0
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 3359: 2025 / Aerospace series - Steel X3CrNiMoAl13-8-2 (1.4534) - Vacuum induction melted and consumable electrode remelted - softened - forging stocks - a or D ≤ 300 mm

Heat Treatments

  • AT - Solutionize: 920-940°C, cool in oil, air or water; P930 - Solutionize: 920-940°C, cool in oil, air or water; precipitate: 620°C, 4 hours and air cool; P1500 - Solutionize: 920-940°C, cool in oil, air or water; precipitate: 510°C, 4 hours and air cool.
  • Delivery condition: Solution treated at 900-950°C for at least 30 min, air cooled, water or oil quenched + cooled to 15°C or less.<br />Solution treated and precipitation treated at 900-950°C for at least 30 min, air cooled, water or oil quenched + cooled to 15°C or less + 545-575°C for 4 hours.<br />Use condition: Solution treated and precipitation treated: 545-575°C for 4 hours.