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EN 1.4429 Stainless Steel vs. EN 1.8961 Steel

Both EN 1.4429 stainless steel and EN 1.8961 steel are iron alloys. They have 67% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.4429 stainless steel and the bottom bar is EN 1.8961 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
130
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 40
19
Fatigue Strength, MPa 280
150
Impact Strength: V-Notched Charpy, J 93
30
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
73
Shear Strength, MPa 470
270
Tensile Strength: Ultimate (UTS), MPa 690
430
Tensile Strength: Yield (Proof), MPa 320
220

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 960
410
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 15
45
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 20
2.6
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 4.0
1.7
Embodied Energy, MJ/kg 55
23
Embodied Water, L/kg 150
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 230
70
Resilience: Unit (Modulus of Resilience), kJ/m3 250
130
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24
15
Strength to Weight: Bending, points 22
16
Thermal Diffusivity, mm2/s 4.0
12
Thermal Shock Resistance, points 15
13

Alloy Composition

Aluminum (Al), % 0
0 to 0.030
Carbon (C), % 0 to 0.030
0 to 0.16
Chromium (Cr), % 16.5 to 18.5
0.35 to 0.85
Copper (Cu), % 0
0.2 to 0.6
Iron (Fe), % 61.2 to 69.9
96.1 to 99.3
Manganese (Mn), % 0 to 2.0
0.15 to 0.7
Molybdenum (Mo), % 2.5 to 3.0
0
Nickel (Ni), % 11 to 14
0 to 0.7
Niobium (Nb), % 0
0 to 0.065
Nitrogen (N), % 0.12 to 0.22
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 0.45
Sulfur (S), % 0 to 0.015
0 to 0.035
Titanium (Ti), % 0
0 to 0.12
Vanadium (V), % 0
0 to 0.14