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AISI 440C Stainless Steel vs. EN 1.3961 Alloy

Both AISI 440C stainless steel and EN 1.3961 alloy are iron alloys. They have 64% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is AISI 440C stainless steel and the bottom bar is EN 1.3961 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 2.0 to 14
31
Poisson's Ratio 0.28
0.3
Shear Modulus, GPa 76
72
Shear Strength, MPa 430 to 1120
300
Tensile Strength: Ultimate (UTS), MPa 710 to 1970
450
Tensile Strength: Yield (Proof), MPa 450 to 1900
310

Thermal Properties

Latent Heat of Fusion, J/g 280
270
Melting Completion (Liquidus), °C 1480
1430
Melting Onset (Solidus), °C 1370
1390
Specific Heat Capacity, J/kg-K 480
460
Thermal Expansion, µm/m-K 10
1.3

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
25
Density, g/cm3 7.7
8.2
Embodied Carbon, kg CO2/kg material 2.2
4.8
Embodied Energy, MJ/kg 31
66
Embodied Water, L/kg 120
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 39 to 88
130
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 26 to 71
15
Strength to Weight: Bending, points 23 to 46
16
Thermal Shock Resistance, points 26 to 71
130

Alloy Composition

Carbon (C), % 1.0 to 1.2
0 to 0.050
Chromium (Cr), % 16 to 18
0 to 0.25
Iron (Fe), % 78 to 83.1
60.7 to 65
Manganese (Mn), % 0 to 1.0
0 to 0.5
Molybdenum (Mo), % 0 to 0.75
0 to 1.0
Nickel (Ni), % 0
35 to 37
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.020