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AISI 442 Stainless Steel vs. EN 1.0303 Steel

Both AISI 442 stainless steel and EN 1.0303 steel are iron alloys. They have 78% of their average alloy composition in common. There are 31 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 442 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 210
150 to 230
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 78
73
Shear Strength, MPa 370
220 to 260
Tensile Strength: Ultimate (UTS), MPa 580
290 to 410
Tensile Strength: Yield (Proof), MPa 310
200 to 320

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 960
400
Melting Completion (Liquidus), °C 1430
1470
Melting Onset (Solidus), °C 1390
1430
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 22
53
Thermal Expansion, µm/m-K 11
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.7
6.9
Electrical Conductivity: Equal Weight (Specific), % IACS 3.2
7.9

Otherwise Unclassified Properties

Base Metal Price, % relative 10
1.8
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.3
1.4
Embodied Energy, MJ/kg 32
18
Embodied Water, L/kg 130
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
30 to 94
Resilience: Unit (Modulus of Resilience), kJ/m3 250
110 to 270
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21
10 to 15
Strength to Weight: Bending, points 20
12 to 16
Thermal Diffusivity, mm2/s 5.8
14
Thermal Shock Resistance, points 20
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), % 18 to 23
0
Iron (Fe), % 74.1 to 82
99.335 to 99.71
Manganese (Mn), % 0 to 1.0
0.25 to 0.4
Nickel (Ni), % 0 to 0.6
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 0.040
0 to 0.025