EN 1.4736 (X3CrAlTi18-2) Stainless Steel
Other Steels
Property Overview
Density7.6g/cm³
Elastic Modulus190GPa
Tensile Strength580MPa
Yield Strength280MPa
Brinell Hardness200HB
Maximum Service Temperature1000°C
Chemical Composition
C
0 to 0.040%
CR
17 to 18%
MN
0 to 1.0%
SI
0 to 1.0%
P
0 to 0.040%
S
0 to 0.015%
TI
0.2 to 0.8%
AL
1.7 to 2.1%
FE
77 to 81.1%
Mechanical
A - Min. elongation at fracture (%) (+A)
25
+A
Elastic (Young's, Tensile) Modulus
190 GPa
Elongation at Break
28 %
Fatigue Strength
230 MPa
Poisson's Ratio
0.28
R p0.2 0.2% proof strength (MPa) (+A)
280
+A
Rm - Tensile strength (MPa) (+A)
500-650
+A
Shear Modulus
76 GPa
Shear Strength
370 MPa
Tensile Strength: Ultimate (UTS)
580 MPa
Tensile Strength: Yield (Proof)
310 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
Brinell Hardness
170
Brinell hardness (HB): (+A)
200
+A
Physical
Density
7.6 g/cm 3
Thermal
Latent Heat of Fusion
290 J/g
Maximum Temperature: Corrosion
500 °C
Maximum Temperature: Mechanical
1000 °C
Melting Completion (Liquidus)
1420 °C
Melting Onset (Solidus)
1380 °C
Specific Heat Capacity
490 J/kg-K
Thermal Conductivity
21 W/m-K
Thermal Diffusivity
5.6 mm 2 /s
Thermal Expansion
10 µm/m-K
Thermal Shock Resistance
21 points
Electrical
Electrical Conductivity: Equal Volume
2.9 % IACS
Electrical Conductivity: Equal Weight (Specific)
3.4 % IACS
Calculated
PREN (Pitting Resistance)
18
Resilience: Ultimate (Unit Rupture Work)
140 MJ/m 3
Resilience: Unit (Modulus of Resilience)
250 kJ/m 3
Stiffness to Weight: Axial
14 points
Stiffness to Weight: Bending
25 points
Strength to Weight: Axial
21 points
Strength to Weight: Bending
20 points
Environmental
Base Metal Price
9.0 % relative
Embodied Carbon
2.4 kg CO 2 /kg material
Embodied Energy
35 MJ/kg
Embodied Energy
35 MJ/kg 15 x 10 3 BTU/lb
Embodied Water
140 L/kg
Embodied Water
140 L/kg 17 gal/lb
Registered Designations & Aliases
1.47361.4736EN 1.4736 (X3CrAlTi18-2) Stainless SteelX3CrAlTi18-2X3CrAlTi18-2
Standards
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 10095 EN 10095: 1999 Heat Resisting Steels and Nickel Alloys
EN 10095 EN 10095: Heat resisting steels and nickel alloys
EN 10095 EN 10095: Heat resisting steels and nickel alloys Machining of Stainless Steels and Super Alloys: Traditional and Nontraditional Techniques, Helmi A. Youssef, 2016 Creep-Resistant Steels, Fujio Abe et al. (editors), 2008 EN 10088-1: Stainless steels - Part 1: List of stainless steels Welding Metallurgy of Stainless Steels, Erich Folkhard et al., 2012 Corrosion of Stainless Steels, A. John Sedriks, 1996