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EN 1.4931 Steel vs. EN 1.4826 Stainless Steel

Both EN 1.4931 steel and EN 1.4826 stainless steel are iron alloys. They have 78% of their average alloy composition in common. There are 31 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 1.4931 steel and the bottom bar is EN 1.4826 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 240
150
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 17
9.1
Fatigue Strength, MPa 410
140
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
77
Tensile Strength: Ultimate (UTS), MPa 810
500
Tensile Strength: Yield (Proof), MPa 620
260

Thermal Properties

Latent Heat of Fusion, J/g 270
310
Maximum Temperature: Mechanical, °C 600
950
Melting Completion (Liquidus), °C 1460
1400
Melting Onset (Solidus), °C 1420
1360
Specific Heat Capacity, J/kg-K 470
490
Thermal Conductivity, W/m-K 24
14
Thermal Expansion, µm/m-K 14
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.8
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 11
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
17
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 2.9
3.3
Embodied Energy, MJ/kg 42
47
Embodied Water, L/kg 100
160

Common Calculations

PREN (Pitting Resistance) 16
23
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
39
Resilience: Unit (Modulus of Resilience), kJ/m3 970
170
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 29
18
Strength to Weight: Bending, points 25
18
Thermal Diffusivity, mm2/s 6.5
3.7
Thermal Shock Resistance, points 22
11

Alloy Composition

Carbon (C), % 0.2 to 0.26
0.3 to 0.5
Chromium (Cr), % 11.3 to 12.2
21 to 23
Iron (Fe), % 83.2 to 86.8
60.4 to 68.7
Manganese (Mn), % 0.5 to 0.8
0 to 2.0
Molybdenum (Mo), % 1.0 to 1.2
0 to 0.5
Nickel (Ni), % 0 to 1.0
9.0 to 11
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.4
1.0 to 2.5
Sulfur (S), % 0 to 0.020
0 to 0.030
Tungsten (W), % 0 to 0.5
0
Vanadium (V), % 0.25 to 0.35
0