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EN 1.8945 Steel vs. AISI 434 Stainless Steel

Both EN 1.8945 steel and AISI 434 stainless steel are iron alloys. They have 83% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is EN 1.8945 steel and the bottom bar is AISI 434 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
170
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 16
24
Fatigue Strength, MPa 260
220
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
78
Shear Strength, MPa 350
330
Tensile Strength: Ultimate (UTS), MPa 580
520
Tensile Strength: Yield (Proof), MPa 390
320

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 420
880
Melting Completion (Liquidus), °C 1460
1510
Melting Onset (Solidus), °C 1420
1430
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 42
25
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 2.5
9.5
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.5
2.4
Embodied Energy, MJ/kg 19
33
Embodied Water, L/kg 51
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 82
110
Resilience: Unit (Modulus of Resilience), kJ/m3 410
260
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 20
19
Strength to Weight: Bending, points 20
18
Thermal Diffusivity, mm2/s 11
6.7
Thermal Shock Resistance, points 17
19

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.12
Chromium (Cr), % 0.25 to 1.4
16 to 18
Copper (Cu), % 0.2 to 0.6
0
Iron (Fe), % 95.1 to 99.5
78.6 to 83.3
Manganese (Mn), % 0 to 1.1
0 to 1.0
Molybdenum (Mo), % 0
0.75 to 1.3
Nickel (Ni), % 0 to 0.7
0
Nitrogen (N), % 0 to 0.010
0
Phosphorus (P), % 0.050 to 0.16
0 to 0.040
Silicon (Si), % 0 to 0.8
0 to 1.0
Sulfur (S), % 0 to 0.040
0 to 0.030