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EN 1.6957 Steel vs. N08810 Stainless Steel

Both EN 1.6957 steel and N08810 stainless steel are iron alloys. They have 51% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.6957 steel and the bottom bar is N08810 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 18
33
Fatigue Strength, MPa 530
160
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Shear Strength, MPa 570
340
Tensile Strength: Ultimate (UTS), MPa 930
520
Tensile Strength: Yield (Proof), MPa 780
200

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 450
1100
Melting Completion (Liquidus), °C 1460
1400
Melting Onset (Solidus), °C 1420
1350
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 47
12
Thermal Expansion, µm/m-K 13
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.9
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 9.1
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 5.0
30
Density, g/cm3 7.9
8.0
Embodied Carbon, kg CO2/kg material 2.1
5.3
Embodied Energy, MJ/kg 29
76
Embodied Water, L/kg 60
200

Common Calculations

PREN (Pitting Resistance) 2.7
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 160
140
Resilience: Unit (Modulus of Resilience), kJ/m3 1630
100
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 33
18
Strength to Weight: Bending, points 27
18
Thermal Diffusivity, mm2/s 13
3.0
Thermal Shock Resistance, points 27
13

Alloy Composition

Aluminum (Al), % 0
0.15 to 0.6
Carbon (C), % 0.22 to 0.32
0.050 to 0.1
Chromium (Cr), % 1.2 to 1.8
19 to 23
Copper (Cu), % 0
0 to 0.75
Iron (Fe), % 92.7 to 94.7
39.5 to 50.7
Manganese (Mn), % 0.15 to 0.4
0 to 1.5
Molybdenum (Mo), % 0.25 to 0.45
0
Nickel (Ni), % 3.4 to 4.0
30 to 35
Phosphorus (P), % 0 to 0.010
0 to 0.045
Silicon (Si), % 0 to 0.15
0 to 1.0
Sulfur (S), % 0 to 0.0070
0 to 0.015
Titanium (Ti), % 0
0.15 to 0.6
Vanadium (V), % 0.050 to 0.15
0