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EN 1.4951 Stainless Steel vs. AISI 414 Stainless Steel

Both EN 1.4951 stainless steel and AISI 414 stainless steel are iron alloys. They have 68% 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 1.4951 stainless steel and the bottom bar is AISI 414 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 38
17
Fatigue Strength, MPa 190
430 to 480
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 79
76
Shear Strength, MPa 430
550 to 590
Tensile Strength: Ultimate (UTS), MPa 630
900 to 960
Tensile Strength: Yield (Proof), MPa 220
700 to 790

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Maximum Temperature: Corrosion, °C 450
390
Maximum Temperature: Mechanical, °C 1100
750
Melting Completion (Liquidus), °C 1410
1440
Melting Onset (Solidus), °C 1360
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
25
Thermal Expansion, µm/m-K 16
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 25
8.0
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 4.3
2.1
Embodied Energy, MJ/kg 61
29
Embodied Water, L/kg 190
100

Common Calculations

PREN (Pitting Resistance) 26
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
140 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 130
1260 to 1590
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22
32 to 34
Strength to Weight: Bending, points 21
27 to 28
Thermal Diffusivity, mm2/s 3.9
6.7
Thermal Shock Resistance, points 14
33 to 35

Alloy Composition

Carbon (C), % 0.040 to 0.080
0 to 0.15
Chromium (Cr), % 24 to 26
11.5 to 13.5
Iron (Fe), % 49.1 to 57
81.8 to 87.3
Manganese (Mn), % 0 to 2.0
0 to 1.0
Nickel (Ni), % 19 to 22
1.3 to 2.5
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 0.7
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030