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EN 1.4600 Stainless Steel vs. EN 1.6956 Steel

Both EN 1.4600 stainless steel and EN 1.6956 steel are iron alloys. They have 87% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.4600 stainless steel and the bottom bar is EN 1.6956 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 23
9.6
Fatigue Strength, MPa 290
680
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Shear Strength, MPa 360
730
Tensile Strength: Ultimate (UTS), MPa 580
1230
Tensile Strength: Yield (Proof), MPa 430
1120

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 730
440
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 27
46
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 3.4
9.1

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
5.0
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.0
2.2
Embodied Energy, MJ/kg 28
31
Embodied Water, L/kg 100
60

Common Calculations

PREN (Pitting Resistance) 12
2.8
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
110
Resilience: Unit (Modulus of Resilience), kJ/m3 470
3320
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21
43
Strength to Weight: Bending, points 20
32
Thermal Diffusivity, mm2/s 7.3
12
Thermal Shock Resistance, points 21
36

Alloy Composition

Carbon (C), % 0 to 0.030
0.28 to 0.38
Chromium (Cr), % 11 to 13
1.0 to 1.7
Iron (Fe), % 82 to 87.7
92.4 to 95.3
Manganese (Mn), % 1.0 to 2.5
0.15 to 0.4
Molybdenum (Mo), % 0
0.3 to 0.6
Nickel (Ni), % 0.3 to 1.0
2.9 to 3.8
Nitrogen (N), % 0 to 0.025
0
Phosphorus (P), % 0 to 0.040
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 to 0.35
0
Vanadium (V), % 0
0.080 to 0.25