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EN 1.8912 Steel vs. AISI 429 Stainless Steel

Both EN 1.8912 steel and AISI 429 stainless steel are iron alloys. They have 85% 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 1.8912 steel and the bottom bar is AISI 429 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
160
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 20
25
Fatigue Strength, MPa 290
180
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Shear Strength, MPa 380
300
Tensile Strength: Ultimate (UTS), MPa 600
480
Tensile Strength: Yield (Proof), MPa 410
260

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 410
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 46
26
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
3.4

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
7.5
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.8
2.0
Embodied Energy, MJ/kg 24
28
Embodied Water, L/kg 51
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
99
Resilience: Unit (Modulus of Resilience), kJ/m3 460
170
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 21
17
Strength to Weight: Bending, points 20
18
Thermal Diffusivity, mm2/s 12
6.9
Thermal Shock Resistance, points 18
17

Alloy Composition

Aluminum (Al), % 0 to 0.015
0
Carbon (C), % 0 to 0.22
0 to 0.12
Chromium (Cr), % 0 to 0.35
14 to 16
Copper (Cu), % 0 to 0.6
0
Iron (Fe), % 95 to 99.05
81.8 to 86
Manganese (Mn), % 1.0 to 1.8
0 to 1.0
Molybdenum (Mo), % 0 to 0.13
0
Nickel (Ni), % 0 to 0.85
0
Niobium (Nb), % 0 to 0.060
0
Nitrogen (N), % 0 to 0.027
0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.65
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.030
Titanium (Ti), % 0 to 0.060
0
Vanadium (V), % 0 to 0.22
0