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AISI 446 Stainless Steel vs. EN 1.0303 Steel

Both AISI 446 stainless steel and EN 1.0303 steel are iron alloys. They have 74% of their average alloy composition in common. There are 32 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 AISI 446 stainless steel and the bottom bar is EN 1.0303 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
84 to 120
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 23
12 to 25
Fatigue Strength, MPa 200
150 to 230
Poisson's Ratio 0.27
0.29
Reduction in Area, % 50
75 to 86
Shear Modulus, GPa 79
73
Shear Strength, MPa 360
220 to 260
Tensile Strength: Ultimate (UTS), MPa 570
290 to 410
Tensile Strength: Yield (Proof), MPa 300
200 to 320

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 1180
400
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
53
Thermal Expansion, µm/m-K 11
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
6.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
7.9

Otherwise Unclassified Properties

Base Metal Price, % relative 12
1.8
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.4
1.4
Embodied Energy, MJ/kg 35
18
Embodied Water, L/kg 150
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
30 to 94
Resilience: Unit (Modulus of Resilience), kJ/m3 230
110 to 270
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 26
24
Strength to Weight: Axial, points 21
10 to 15
Strength to Weight: Bending, points 20
12 to 16
Thermal Diffusivity, mm2/s 4.6
14
Thermal Shock Resistance, points 19
9.2 to 13

Alloy Composition

Aluminum (Al), % 0
0.020 to 0.060
Carbon (C), % 0 to 0.2
0.020 to 0.060
Chromium (Cr), % 23 to 27
0
Iron (Fe), % 69.2 to 77
99.335 to 99.71
Manganese (Mn), % 0 to 1.5
0.25 to 0.4
Nickel (Ni), % 0 to 0.75
0
Nitrogen (N), % 0 to 0.25
0
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0 to 1.0
0 to 0.1
Sulfur (S), % 0 to 0.030
0 to 0.025