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EN 1.4931 Steel vs. EN 1.4659 Stainless Steel

Both EN 1.4931 steel and EN 1.4659 stainless steel are iron alloys. They have 55% 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 1.4931 steel and the bottom bar is EN 1.4659 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 240
260
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 17
49
Fatigue Strength, MPa 410
460
Impact Strength: V-Notched Charpy, J 30
94
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
81
Tensile Strength: Ultimate (UTS), MPa 810
900
Tensile Strength: Yield (Proof), MPa 620
480

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Maximum Temperature: Mechanical, °C 600
1100
Melting Completion (Liquidus), °C 1460
1480
Melting Onset (Solidus), °C 1420
1430
Specific Heat Capacity, J/kg-K 470
460
Thermal Conductivity, W/m-K 24
12
Thermal Expansion, µm/m-K 14
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.8
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 11
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
37
Density, g/cm3 7.8
8.2
Embodied Carbon, kg CO2/kg material 2.9
6.5
Embodied Energy, MJ/kg 42
89
Embodied Water, L/kg 100
220

Common Calculations

PREN (Pitting Resistance) 16
54
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
370
Resilience: Unit (Modulus of Resilience), kJ/m3 970
550
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 29
31
Strength to Weight: Bending, points 25
25
Thermal Diffusivity, mm2/s 6.5
3.2
Thermal Shock Resistance, points 22
19

Alloy Composition

Carbon (C), % 0.2 to 0.26
0 to 0.020
Chromium (Cr), % 11.3 to 12.2
23 to 25
Copper (Cu), % 0
1.0 to 2.0
Iron (Fe), % 83.2 to 86.8
35.7 to 45.7
Manganese (Mn), % 0.5 to 0.8
2.0 to 4.0
Molybdenum (Mo), % 1.0 to 1.2
5.5 to 6.5
Nickel (Ni), % 0 to 1.0
21 to 23
Nitrogen (N), % 0
0.35 to 0.5
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0 to 0.4
0 to 0.7
Sulfur (S), % 0 to 0.020
0 to 0.010
Tungsten (W), % 0 to 0.5
1.5 to 2.5
Vanadium (V), % 0.25 to 0.35
0