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EN 1.8945 Steel vs. AISI 429 Stainless Steel

Both EN 1.8945 steel and AISI 429 stainless steel are iron alloys. They have 86% 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 429 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
160
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 16
25
Fatigue Strength, MPa 260
180
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Shear Strength, MPa 350
300
Tensile Strength: Ultimate (UTS), MPa 580
480
Tensile Strength: Yield (Proof), MPa 390
260

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 420
810
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 42
26
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
3.4

Otherwise Unclassified Properties

Base Metal Price, % relative 2.5
7.5
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.5
2.0
Embodied Energy, MJ/kg 19
28
Embodied Water, L/kg 51
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 82
99
Resilience: Unit (Modulus of Resilience), kJ/m3 410
170
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 20
17
Strength to Weight: Bending, points 20
18
Thermal Diffusivity, mm2/s 11
6.9
Thermal Shock Resistance, points 17
17

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.12
Chromium (Cr), % 0.25 to 1.4
14 to 16
Copper (Cu), % 0.2 to 0.6
0
Iron (Fe), % 95.1 to 99.5
81.8 to 86
Manganese (Mn), % 0 to 1.1
0 to 1.0
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