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AISI 446 Stainless Steel vs. EN 1.7710 Steel

Both AISI 446 stainless steel and EN 1.7710 steel are iron alloys. They have 76% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is AISI 446 stainless steel and the bottom bar is EN 1.7710 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
280 to 320
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 23
6.8 to 11
Fatigue Strength, MPa 200
500 to 620
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 79
73
Tensile Strength: Ultimate (UTS), MPa 570
930 to 1070
Tensile Strength: Yield (Proof), MPa 300
800 to 1060

Thermal Properties

Latent Heat of Fusion, J/g 290
260
Maximum Temperature: Mechanical, °C 1180
440
Melting Completion (Liquidus), °C 1510
1470
Melting Onset (Solidus), °C 1430
1430
Specific Heat Capacity, J/kg-K 490
470
Thermal Conductivity, W/m-K 17
41
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 12
3.5
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.4
2.2
Embodied Energy, MJ/kg 35
30
Embodied Water, L/kg 150
57

Common Calculations

PREN (Pitting Resistance) 27
4.5
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
73 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 230
1680 to 2970
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 26
24
Strength to Weight: Axial, points 21
33 to 38
Strength to Weight: Bending, points 20
27 to 30
Thermal Diffusivity, mm2/s 4.6
11
Thermal Shock Resistance, points 19
27 to 31

Alloy Composition

Carbon (C), % 0 to 0.2
0.12 to 0.18
Chromium (Cr), % 23 to 27
1.3 to 1.8
Iron (Fe), % 69.2 to 77
95.1 to 97
Manganese (Mn), % 0 to 1.5
0.6 to 1.0
Molybdenum (Mo), % 0
0.8 to 1.0
Nickel (Ni), % 0 to 0.75
0
Nitrogen (N), % 0 to 0.25
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0
0.15 to 0.25