EN 1.4959 (X8NiCrAlTi32-21) Stainless Steel
Other Steels
Property Overview
Density8g/cm³
Elastic Modulus200GPa
Tensile Strength630MPa
Yield Strength170MPa
Brinell HardnessUnknown
Maximum Service Temperature1090°C
Chemical Composition
C
0.050 to 0.1%
CR
19 to 22%
NI
30 to 34%
MN
0 to 1.5%
SI
0 to 0.7%
N
0 to 0.030%
P
0 to 0.015%
S
0 to 0.010%
CU
0 to 0.5%
TI
0.25 to 0.65%
AL
0.25 to 0.65%
CO
0 to 0.5%
FE
39.4 to 50.5%
Mechanical
A - Min. elongation at fracture (%) (+A)
30
+A
A - Min. elongation at fracture (%) (+AT)
30-35
+AT
Elastic (Young's, Tensile) Modulus
200 GPa
Elongation at Break
40 %
Fatigue Strength
170 MPa
KV - Impact energy (J) longitud., (+A)
+20° 120
+A
KV - Impact energy (J) transverse, (+A)
+20° 80
+A
Poisson's Ratio
0.28
R p0.2 0.2% proof strength (MPa) (+A)
170
+A
Rm - Tensile strength (MPa) (+A)
500-750
+A
Shear Modulus
77 GPa
Shear Strength
430 MPa
Tensile Strength: Ultimate (UTS)
630 MPa
Tensile Strength: Yield (Proof)
190 MPa
Hardness
+A Soft annealed +AC Annealed to achieve spheroidization of the carbides +AR As rolled +AT Solution annealed +C Cold drawn / hard +CR Cold rolled +FP Treated to ferrite-pearlite structure and hardness range +I Isothermal annealing +LC Cold drawn / soft +M Thermo mechanical rolling +N Normalized +NT Normalized and tempered
+P Precipitation hardened +PE Peeled +QA Air quenched and tempered +QL Liquid quenched and tempered +QT Quenched and tempered +S Treated to improve shearability +SH As rolled and turned +SR Cold drawn and stress relieved +T Tempered +TH Treated to hardness range +WW Warm worked +U Untreated
+A
Physical
Density
8.0 g/cm 3
Thermal
Latent Heat of Fusion
300 J/g
Maximum Temperature: Corrosion
510 °C
Maximum Temperature: Mechanical
1090 °C
Melting Completion (Liquidus)
1400 °C
Melting Onset (Solidus)
1350 °C
Specific Heat Capacity
480 J/kg-K
Thermal Conductivity
12 W/m-K
Thermal Diffusivity
3.2 mm 2 /s
Thermal Expansion
15 µm/m-K
Thermal Shock Resistance
15 points
Electrical
Electrical Conductivity: Equal Volume
1.7 % IACS
Electrical Conductivity: Equal Weight (Specific)
2.0 % IACS
Calculated
PREN (Pitting Resistance)
21
Resilience: Ultimate (Unit Rupture Work)
190 MJ/m 3
Resilience: Unit (Modulus of Resilience)
96 kJ/m 3
Stiffness to Weight: Axial
14 points
Stiffness to Weight: Bending
24 points
Strength to Weight: Axial
22 points
Strength to Weight: Bending
20 points
Environmental
Base Metal Price
31 % relative
Embodied Carbon
5.4 kg CO 2 /kg material
Embodied Energy
76 MJ/kg
Embodied Energy
76 MJ/kg 33 x 10 3 BTU/lb
Embodied Water
200 L/kg
Embodied Water
200 L/kg 24 gal/lb
Registered Designations & Aliases
1.49591.4959EN 1.4959 (X8NiCrAlTi32-21) Stainless SteelX8NiCrAlTi32-21X8NiCrAlTi32-21
Standards
EN 10028-7 EN 10028-7: 2007 Flat products made of steels for pressure purposes. Stainless steels
EN 10088-1 EN 10088-1: 2005 Stainless steels. List of stainless steels
EN 10088-1 EN 10088-1: Stainless steels - Part 1: List of stainless steels
EN 10216-5 EN 10216-5: 2014 Seamless steel tubes for pressure purposes. Technical delivery conditions. Stainless steel tubes
EN 10302 EN 10302: 2008 Creep resisting steels, nickel and cobalt alloys
EN 10302 EN 10302: Creep resisting steels, nickel and cobalt alloys
EN 10302 EN 10302: Creep resisting steels, nickel and cobalt alloys EN 10088-1: Stainless steels - Part 1: List of stainless steels