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EN 1.4116 Stainless Steel vs. EN 1.4951 Stainless Steel

Both EN 1.4116 stainless steel and EN 1.4951 stainless steel are iron alloys. They have 69% of their average alloy composition in common. There are 33 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 1.4116 stainless steel and the bottom bar is EN 1.4951 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 240
170
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 14
38
Fatigue Strength, MPa 240
190
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 76
79
Shear Strength, MPa 450
430
Tensile Strength: Ultimate (UTS), MPa 750
630
Tensile Strength: Yield (Proof), MPa 430
220

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Corrosion, °C 390
450
Maximum Temperature: Mechanical, °C 800
1100
Melting Completion (Liquidus), °C 1440
1410
Melting Onset (Solidus), °C 1400
1360
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 30
15
Thermal Expansion, µm/m-K 11
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.7
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 3.1
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 8.0
25
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.5
4.3
Embodied Energy, MJ/kg 36
61
Embodied Water, L/kg 110
190

Common Calculations

PREN (Pitting Resistance) 18
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 87
190
Resilience: Unit (Modulus of Resilience), kJ/m3 470
130
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27
22
Strength to Weight: Bending, points 24
21
Thermal Diffusivity, mm2/s 8.1
3.9
Thermal Shock Resistance, points 26
14

Alloy Composition

Carbon (C), % 0.45 to 0.55
0.040 to 0.080
Chromium (Cr), % 14 to 15
24 to 26
Iron (Fe), % 81.3 to 85
49.1 to 57
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 0.5 to 0.8
0
Nickel (Ni), % 0
19 to 22
Nitrogen (N), % 0 to 0.15
0 to 0.1
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 0.7
Sulfur (S), % 0 to 0.015
0 to 0.015
Vanadium (V), % 0.1 to 0.2
0