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EN 1.4971 Stainless Steel vs. AISI 414 Stainless Steel

Both EN 1.4971 stainless steel and AISI 414 stainless steel are iron alloys. They have 46% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.4971 stainless steel and the bottom bar is AISI 414 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 34
17
Fatigue Strength, MPa 270
430 to 480
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 81
76
Shear Strength, MPa 530
550 to 590
Tensile Strength: Ultimate (UTS), MPa 800
900 to 960
Tensile Strength: Yield (Proof), MPa 340
700 to 790

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Maximum Temperature: Corrosion, °C 570
390
Maximum Temperature: Mechanical, °C 1100
750
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1410
1400
Specific Heat Capacity, J/kg-K 450
480
Thermal Conductivity, W/m-K 13
25
Thermal Expansion, µm/m-K 15
10

Otherwise Unclassified Properties

Base Metal Price, % relative 70
8.0
Density, g/cm3 8.4
7.8
Embodied Carbon, kg CO2/kg material 7.6
2.1
Embodied Energy, MJ/kg 110
29
Embodied Water, L/kg 300
100

Common Calculations

PREN (Pitting Resistance) 38
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
140 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 280
1260 to 1590
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 26
32 to 34
Strength to Weight: Bending, points 23
27 to 28
Thermal Diffusivity, mm2/s 3.4
6.7
Thermal Shock Resistance, points 19
33 to 35

Alloy Composition

Carbon (C), % 0.080 to 0.16
0 to 0.15
Chromium (Cr), % 20 to 22.5
11.5 to 13.5
Cobalt (Co), % 18.5 to 21
0
Iron (Fe), % 24.3 to 37.1
81.8 to 87.3
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 2.5 to 3.5
0
Nickel (Ni), % 19 to 21
1.3 to 2.5
Niobium (Nb), % 0.75 to 1.3
0
Nitrogen (N), % 0.1 to 0.2
0
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030
Tungsten (W), % 2.0 to 3.0
0