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EN 1.0303 Steel vs. EN 1.4458 Stainless Steel

Both EN 1.0303 steel and EN 1.4458 stainless steel are iron alloys. They have 47% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is EN 1.0303 steel and the bottom bar is EN 1.4458 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 84 to 120
150
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 12 to 25
34
Fatigue Strength, MPa 150 to 230
150
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
78
Tensile Strength: Ultimate (UTS), MPa 290 to 410
510
Tensile Strength: Yield (Proof), MPa 200 to 320
190

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 400
1100
Melting Completion (Liquidus), °C 1470
1420
Melting Onset (Solidus), °C 1430
1370
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 53
16
Thermal Expansion, µm/m-K 12
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.9
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 7.9
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
30
Density, g/cm3 7.9
8.0
Embodied Carbon, kg CO2/kg material 1.4
5.4
Embodied Energy, MJ/kg 18
75
Embodied Water, L/kg 46
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 30 to 94
140
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 270
89
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 10 to 15
17
Strength to Weight: Bending, points 12 to 16
18
Thermal Diffusivity, mm2/s 14
4.2
Thermal Shock Resistance, points 9.2 to 13
12

Alloy Composition

Aluminum (Al), % 0.020 to 0.060
0
Carbon (C), % 0.020 to 0.060
0 to 0.030
Chromium (Cr), % 0
19 to 22
Copper (Cu), % 0
0 to 2.0
Iron (Fe), % 99.335 to 99.71
40.2 to 53
Manganese (Mn), % 0.25 to 0.4
0 to 2.0
Molybdenum (Mo), % 0
2.0 to 2.5
Nickel (Ni), % 0
26 to 30
Nitrogen (N), % 0
0 to 0.2
Phosphorus (P), % 0 to 0.020
0 to 0.035
Silicon (Si), % 0 to 0.1
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.025