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EN 1.4511 Stainless Steel vs. EN 1.4845 Stainless Steel

Both EN 1.4511 stainless steel and EN 1.4845 stainless steel are iron alloys. They have 71% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4511 stainless steel and the bottom bar is EN 1.4845 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
170
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 25
38
Fatigue Strength, MPa 180
200
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 77
78
Shear Strength, MPa 330
410
Tensile Strength: Ultimate (UTS), MPa 510
600
Tensile Strength: Yield (Proof), MPa 260
240

Thermal Properties

Latent Heat of Fusion, J/g 280
310
Maximum Temperature: Corrosion, °C 480
450
Maximum Temperature: Mechanical, °C 870
1050
Melting Completion (Liquidus), °C 1440
1400
Melting Onset (Solidus), °C 1400
1360
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 25
15
Thermal Expansion, µm/m-K 10
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 11
25
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.5
4.3
Embodied Energy, MJ/kg 37
61
Embodied Water, L/kg 120
190

Common Calculations

PREN (Pitting Resistance) 17
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
180
Resilience: Unit (Modulus of Resilience), kJ/m3 170
140
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 18
21
Strength to Weight: Bending, points 18
20
Thermal Diffusivity, mm2/s 6.7
4.0
Thermal Shock Resistance, points 19
14

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.1
Chromium (Cr), % 16 to 18
24 to 26
Iron (Fe), % 78.9 to 84
48.2 to 57
Manganese (Mn), % 0 to 1.0
0 to 2.0
Nickel (Ni), % 0
19 to 22
Niobium (Nb), % 0 to 1.0
0
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 1.5
Sulfur (S), % 0 to 0.015
0 to 0.015