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EN 1.4470 Stainless Steel vs. EN 1.4107 Stainless Steel

Both EN 1.4470 stainless steel and EN 1.4107 stainless steel are iron alloys. They have 82% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4470 stainless steel and the bottom bar is EN 1.4107 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 23
18 to 21
Fatigue Strength, MPa 320
260 to 350
Impact Strength: V-Notched Charpy, J 34
45 to 50
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 80
76
Tensile Strength: Ultimate (UTS), MPa 680
620 to 700
Tensile Strength: Yield (Proof), MPa 480
400 to 570

Thermal Properties

Latent Heat of Fusion, J/g 300
270
Maximum Temperature: Corrosion, °C 430
390
Maximum Temperature: Mechanical, °C 1060
740
Melting Completion (Liquidus), °C 1450
1450
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 18
27
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 17
7.5
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.6
2.1
Embodied Energy, MJ/kg 49
30
Embodied Water, L/kg 160
100

Common Calculations

PREN (Pitting Resistance) 34
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
110 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 570
420 to 840
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24
22 to 25
Strength to Weight: Bending, points 22
21 to 22
Thermal Diffusivity, mm2/s 4.8
7.2
Thermal Shock Resistance, points 18
22 to 25

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.1
Chromium (Cr), % 21 to 23
11.5 to 12.5
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 63.7 to 71.9
83.8 to 87.2
Manganese (Mn), % 0 to 2.0
0.5 to 0.8
Molybdenum (Mo), % 2.5 to 3.5
0 to 0.5
Nickel (Ni), % 4.5 to 6.5
0.8 to 1.5
Nitrogen (N), % 0.12 to 0.2
0
Phosphorus (P), % 0 to 0.035
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.025
0 to 0.020
Vanadium (V), % 0
0 to 0.080