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EN 1.4876 Stainless Steel vs. EN 1.6956 Steel

Both EN 1.4876 stainless steel and EN 1.6956 steel are iron alloys. They have 50% 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 1.4876 stainless steel and the bottom bar is EN 1.6956 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
370
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 33
9.6
Fatigue Strength, MPa 150
680
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 370
730
Tensile Strength: Ultimate (UTS), MPa 570
1230
Tensile Strength: Yield (Proof), MPa 190
1120

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
440
Melting Completion (Liquidus), °C 1400
1460
Melting Onset (Solidus), °C 1350
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 12
46
Thermal Expansion, µm/m-K 14
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
9.1

Otherwise Unclassified Properties

Base Metal Price, % relative 30
5.0
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 5.3
2.2
Embodied Energy, MJ/kg 76
31
Embodied Water, L/kg 200
60

Common Calculations

PREN (Pitting Resistance) 21
2.8
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
110
Resilience: Unit (Modulus of Resilience), kJ/m3 94
3320
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 20
43
Strength to Weight: Bending, points 19
32
Thermal Diffusivity, mm2/s 3.2
12
Thermal Shock Resistance, points 14
36

Alloy Composition

Aluminum (Al), % 0.15 to 0.6
0
Carbon (C), % 0 to 0.12
0.28 to 0.38
Chromium (Cr), % 19 to 23
1.0 to 1.7
Iron (Fe), % 38.6 to 50.7
92.4 to 95.3
Manganese (Mn), % 0 to 2.0
0.15 to 0.4
Molybdenum (Mo), % 0
0.3 to 0.6
Nickel (Ni), % 30 to 34
2.9 to 3.8
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.015
0 to 0.035
Titanium (Ti), % 0.15 to 0.6
0
Vanadium (V), % 0
0.080 to 0.25