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EN 1.6956 Steel vs. EN 1.4116 Stainless Steel

Both EN 1.6956 steel and EN 1.4116 stainless steel are iron alloys. They have 86% of their average alloy composition in common. There are 32 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 1.6956 steel and the bottom bar is EN 1.4116 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 370
240
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 9.6
14
Fatigue Strength, MPa 680
240
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Shear Strength, MPa 730
450
Tensile Strength: Ultimate (UTS), MPa 1230
750
Tensile Strength: Yield (Proof), MPa 1120
430

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 440
800
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 46
30
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
2.7
Electrical Conductivity: Equal Weight (Specific), % IACS 9.1
3.1

Otherwise Unclassified Properties

Base Metal Price, % relative 5.0
8.0
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 2.2
2.5
Embodied Energy, MJ/kg 31
36
Embodied Water, L/kg 60
110

Common Calculations

PREN (Pitting Resistance) 2.8
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
87
Resilience: Unit (Modulus of Resilience), kJ/m3 3320
470
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 43
27
Strength to Weight: Bending, points 32
24
Thermal Diffusivity, mm2/s 12
8.1
Thermal Shock Resistance, points 36
26

Alloy Composition

Carbon (C), % 0.28 to 0.38
0.45 to 0.55
Chromium (Cr), % 1.0 to 1.7
14 to 15
Iron (Fe), % 92.4 to 95.3
81.3 to 85
Manganese (Mn), % 0.15 to 0.4
0 to 1.0
Molybdenum (Mo), % 0.3 to 0.6
0.5 to 0.8
Nickel (Ni), % 2.9 to 3.8
0
Nitrogen (N), % 0
0 to 0.15
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.035
0 to 0.015
Vanadium (V), % 0.080 to 0.25
0.1 to 0.2