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EN 1.4971 Stainless Steel vs. AISI 416 Stainless Steel

Both EN 1.4971 stainless steel and AISI 416 stainless steel are iron alloys. They have 45% of their average alloy composition in common. There are 31 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 1.4971 stainless steel and the bottom bar is AISI 416 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 240
230 to 320
Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 34
13 to 31
Fatigue Strength, MPa 270
230 to 340
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 81
76
Shear Strength, MPa 530
340 to 480
Tensile Strength: Ultimate (UTS), MPa 800
510 to 800
Tensile Strength: Yield (Proof), MPa 340
290 to 600

Thermal Properties

Latent Heat of Fusion, J/g 300
270
Maximum Temperature: Corrosion, °C 570
390
Maximum Temperature: Mechanical, °C 1100
680
Melting Completion (Liquidus), °C 1460
1530
Melting Onset (Solidus), °C 1410
1480
Specific Heat Capacity, J/kg-K 450
480
Thermal Conductivity, W/m-K 13
30
Thermal Expansion, µm/m-K 15
9.9

Otherwise Unclassified Properties

Base Metal Price, % relative 70
7.0
Density, g/cm3 8.4
7.7
Embodied Carbon, kg CO2/kg material 7.6
1.9
Embodied Energy, MJ/kg 110
27
Embodied Water, L/kg 300
100

Common Calculations

PREN (Pitting Resistance) 38
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
98 to 140
Resilience: Unit (Modulus of Resilience), kJ/m3 280
220 to 940
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 26
18 to 29
Strength to Weight: Bending, points 23
18 to 25
Thermal Diffusivity, mm2/s 3.4
8.1
Thermal Shock Resistance, points 19
19 to 30

Alloy Composition

Carbon (C), % 0.080 to 0.16
0 to 0.15
Chromium (Cr), % 20 to 22.5
12 to 14
Cobalt (Co), % 18.5 to 21
0
Iron (Fe), % 24.3 to 37.1
83.2 to 87.9
Manganese (Mn), % 0 to 2.0
0 to 1.3
Molybdenum (Mo), % 2.5 to 3.5
0
Nickel (Ni), % 19 to 21
0
Niobium (Nb), % 0.75 to 1.3
0
Nitrogen (N), % 0.1 to 0.2
0
Phosphorus (P), % 0 to 0.035
0 to 0.060
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0.15 to 0.35
Tungsten (W), % 2.0 to 3.0
0