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EN 1.4311 Stainless Steel vs. EN 1.4845 Stainless Steel

Both EN 1.4311 stainless steel and EN 1.4845 stainless steel are iron alloys. Both are furnished in the solution annealed (AT) condition. They have 83% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.4311 stainless steel and the bottom bar is EN 1.4845 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
170
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 43
38
Fatigue Strength, MPa 270
200
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 77
78
Shear Strength, MPa 450
410
Tensile Strength: Ultimate (UTS), MPa 650
600
Tensile Strength: Yield (Proof), MPa 310
240

Thermal Properties

Latent Heat of Fusion, J/g 290
310
Maximum Temperature: Corrosion, °C 420
450
Maximum Temperature: Mechanical, °C 950
1050
Melting Completion (Liquidus), °C 1420
1400
Melting Onset (Solidus), °C 1380
1360
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 16
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 16
25
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.1
4.3
Embodied Energy, MJ/kg 43
61
Embodied Water, L/kg 140
190

Common Calculations

PREN (Pitting Resistance) 21
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 230
180
Resilience: Unit (Modulus of Resilience), kJ/m3 240
140
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 23
21
Strength to Weight: Bending, points 21
20
Thermal Diffusivity, mm2/s 4.0
4.0
Thermal Shock Resistance, points 15
14

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.1
Chromium (Cr), % 17.5 to 19.5
24 to 26
Iron (Fe), % 65.7 to 73.9
48.2 to 57
Manganese (Mn), % 0 to 2.0
0 to 2.0
Nickel (Ni), % 8.5 to 11.5
19 to 22
Nitrogen (N), % 0.12 to 0.22
0 to 0.1
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 1.5
Sulfur (S), % 0 to 0.015
0 to 0.015