EN 1.4378 (X6CrMnNiN18-13-3) Stainless Steel
Austenitic & General Stainless Steels
solution annealed (AT)
Property Overview
Density7.6g/cm³
Elastic Modulus200GPa
Tensile Strength760MPa
Yield Strength430MPa
Brinell Hardness190HB
Maximum Service Temperature910°C
Chemical Composition
C
0 to 0.080%
CR
17 to 19%
NI
2.3 to 3.7%
MN
11.5 to 14.5%
SI
0 to 1.0%
N
0.2 to 0.4%
P
0 to 0.060%
S
0 to 0.030%
FE
61.2 to 69%
Mechanical
Elastic (Young's, Tensile) Modulus
200 GPa
Elongation at Break
34 %
Fatigue Strength
340 MPa
Impact Strength: V-Notched Charpy
91 J
Poisson's Ratio
0.28
Shear Modulus
77 GPa
Shear Strength
510 MPa
Tensile Strength: Ultimate (UTS)
760 MPa
Tensile Strength: Yield (Proof)
430 MPa
Hardness
Brinell Hardness
190
Physical
Density
7.6 g/cm 3
Thermal
Latent Heat of Fusion
290 J/g
Maximum Temperature: Corrosion
410 °C
Maximum Temperature: Mechanical
910 °C
Melting Completion (Liquidus)
1390 °C
Melting Onset (Solidus)
1350 °C
Specific Heat Capacity
480 J/kg-K
Thermal Expansion
17 µm/m-K
Thermal Shock Resistance
16 points
Calculated
PREN (Pitting Resistance)
23
Resilience: Ultimate (Unit Rupture Work)
220 MJ/m 3
Resilience: Unit (Modulus of Resilience)
470 kJ/m 3
Stiffness to Weight: Axial
14 points
Stiffness to Weight: Bending
25 points
Strength to Weight: Axial
28 points
Strength to Weight: Bending
24 points
Environmental
Base Metal Price
12 % relative
Embodied Carbon
2.7 kg CO 2 /kg material
Embodied Energy
39 MJ/kg
Embodied Energy
39 MJ/kg 17 x 10 3 BTU/lb
Embodied Water
150 L/kg
Embodied Water
150 L/kg 18 gal/lb
Registered Designations & Aliases
1.4378EN 1.4378 (X6CrMnNiN18-13-3) Stainless SteelX6CrMnNiN18-13-3
Standards
EN 10088-1 EN 10088-1: Stainless steels - Part 1: List of stainless steels
EN 10088-3 EN 10088-3: Stainless steels - Part 3: Technical delivery conditions for semi-finished products, bars, rods, wire, sections and bright products of corrosion resisting steels for general purposes