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EN 1.4501 Stainless Steel vs. EN 1.6956 Steel

Both EN 1.4501 stainless steel and EN 1.6956 steel are iron alloys. They have 67% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.4501 stainless steel and the bottom bar is EN 1.6956 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
370
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 27
9.6
Fatigue Strength, MPa 430
680
Impact Strength: V-Notched Charpy, J 90
25
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 80
73
Shear Strength, MPa 540
730
Tensile Strength: Ultimate (UTS), MPa 830
1230
Tensile Strength: Yield (Proof), MPa 600
1120

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
440
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 15
46
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
9.1

Otherwise Unclassified Properties

Base Metal Price, % relative 22
5.0
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 4.1
2.2
Embodied Energy, MJ/kg 57
31
Embodied Water, L/kg 180
60

Common Calculations

PREN (Pitting Resistance) 42
2.8
Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
110
Resilience: Unit (Modulus of Resilience), kJ/m3 870
3320
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 29
43
Strength to Weight: Bending, points 25
32
Thermal Diffusivity, mm2/s 4.0
12
Thermal Shock Resistance, points 22
36

Alloy Composition

Carbon (C), % 0 to 0.030
0.28 to 0.38
Chromium (Cr), % 24 to 26
1.0 to 1.7
Copper (Cu), % 0.5 to 1.0
0
Iron (Fe), % 57.6 to 65.8
92.4 to 95.3
Manganese (Mn), % 0 to 1.0
0.15 to 0.4
Molybdenum (Mo), % 3.0 to 4.0
0.3 to 0.6
Nickel (Ni), % 6.0 to 8.0
2.9 to 3.8
Nitrogen (N), % 0.2 to 0.3
0
Phosphorus (P), % 0 to 0.035
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.015
0 to 0.035
Tungsten (W), % 0.5 to 1.0
0
Vanadium (V), % 0
0.080 to 0.25