EN 1.4742 (X10CrAlSi18) Stainless Steel
Other Steels
Property Overview
Density7.6g/cm³
Elastic Modulus200GPa
Tensile Strength600MPa
Yield Strength270MPa
Brinell Hardness212HB
Maximum Service Temperature1000°C
Chemical Composition
C
0 to 0.12%
CR
17 to 19%
MN
0 to 1.0%
SI
0.7 to 1.4%
P
0 to 0.040%
S
0 to 0.015%
AL
0.7 to 1.2%
FE
77.2 to 81.6%
Mechanical
A - Min. elongation at fracture (%) (+A)
13-15
+A
Elastic (Young's, Tensile) Modulus
200 GPa
Elongation at Break
17 %
Fatigue Strength
180 MPa
Poisson's Ratio
0.28
R p0.2 0.2% proof strength (MPa) (+A)
270
+A
Rm - Tensile strength (MPa) (+A)
500-700
+A
Shear Modulus
77 GPa
Shear Strength
370 MPa
Tensile Strength: Ultimate (UTS)
600 MPa
Tensile Strength: Yield (Proof)
300 MPa
Hardness
Brinell Hardness
180
Brinell hardness (HB): (+A)
212
+A
Physical
Density
7.6 g/cm 3
Thermal
Latent Heat of Fusion
290 J/g
Maximum Temperature: Corrosion
410 °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
19 W/m-K
Thermal Diffusivity
5.1 mm 2 /s
Thermal Expansion
11 µm/m-K
Thermal Shock Resistance
21 points
Electrical
Electrical Conductivity: Equal Volume
1.9 % IACS
Electrical Conductivity: Equal Weight (Specific)
2.2 % IACS
Calculated
PREN (Pitting Resistance)
18
Resilience: Ultimate (Unit Rupture Work)
84 MJ/m 3
Resilience: Unit (Modulus of Resilience)
230 kJ/m 3
Stiffness to Weight: Axial
14 points
Stiffness to Weight: Bending
25 points
Strength to Weight: Axial
22 points
Strength to Weight: Bending
21 points
Environmental
Base Metal Price
9.0 % relative
Embodied Carbon
2.2 kg CO 2 /kg material
Embodied Energy
32 MJ/kg
Embodied Energy
32 MJ/kg 14 x 10 3 BTU/lb
Embodied Water
130 L/kg
Embodied Water
130 L/kg 16 gal/lb
Registered Designations & Aliases
1.47421.4742EN 1.4742 (X10CrAlSi18) Stainless SteelX10CrAlSi18X10CrAlSi18
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 Creep-Resistant Steels, Fujio Abe et al. (editors), 2008 Welding Metallurgy and Weldability of Stainless Steels, John C. Lippold and Damian J. Kotecki, 2005 EN 10088-1: Stainless steels - Part 1: List of stainless steels Corrosion of Stainless Steels, A. John Sedriks, 1996