EN 1.4749 (X18CrN28) Stainless Steel
Other Steels
Property Overview
Density7.6g/cm³
Elastic Modulus200GPa
Tensile Strength600MPa
Yield Strength280MPa
Brinell Hardness212HB
Maximum Service Temperature1100°C
Chemical Composition
C
0.15 to 0.2%
CR
26 to 29%
MN
0 to 1.0%
SI
0 to 1.0%
N
0.15 to 0.25%
P
0 to 0.040%
S
0 to 0.015%
FE
68.5 to 73.7%
Mechanical
A - Min. elongation at fracture (%) (+A)
13-15
+A
Elastic (Young's, Tensile) Modulus
200 GPa
Elongation at Break
16 %
Fatigue Strength
190 MPa
Poisson's Ratio
0.27
R p0.2 0.2% proof strength (MPa) (+A)
280
+A
Rm - Tensile strength (MPa) (+A)
500-700
+A
Shear Modulus
80 GPa
Shear Strength
370 MPa
Tensile Strength: Ultimate (UTS)
600 MPa
Tensile Strength: Yield (Proof)
320 MPa
Hardness
Brinell Hardness
180
Brinell hardness (HB): (+A)
212
+A
Physical
Density
7.6 g/cm 3
Thermal
Latent Heat of Fusion
300 J/g
Maximum Temperature: Corrosion
450 °C
Maximum Temperature: Mechanical
1100 °C
Melting Completion (Liquidus)
1420 °C
Melting Onset (Solidus)
1380 °C
Specific Heat Capacity
490 J/kg-K
Thermal Conductivity
17 W/m-K
Thermal Diffusivity
4.6 mm 2 /s
Thermal Expansion
9.6 µm/m-K
Thermal Shock Resistance
22 points
Electrical
Electrical Conductivity: Equal Volume
2.5 % IACS
Electrical Conductivity: Equal Weight (Specific)
2.9 % IACS
Calculated
PREN (Pitting Resistance)
31
Resilience: Ultimate (Unit Rupture Work)
80 MJ/m 3
Resilience: Unit (Modulus of Resilience)
250 kJ/m 3
Stiffness to Weight: Axial
15 points
Stiffness to Weight: Bending
26 points
Strength to Weight: Axial
22 points
Strength to Weight: Bending
21 points
Environmental
Base Metal Price
13 % relative
Embodied Carbon
2.5 kg CO 2 /kg material
Embodied Energy
36 MJ/kg
Embodied Energy
36 MJ/kg 16 x 10 3 BTU/lb
Embodied Water
160 L/kg
Embodied Water
160 L/kg 20 gal/lb
Registered Designations & Aliases
1.47491.4749EN 1.4749 (X18CrN28) Stainless SteelX18CrN28X18CrN28
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 EN 10088-1: Stainless steels - Part 1: List of stainless steels Corrosion of Stainless Steels, A. John Sedriks, 1996
EN 10297-2 EN 10297-2: 2005 Seamless circular steel tubes for mechanical and general engineering purposes. Stainless steel. Technical delivery conditions