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EN 1.0303 Steel vs. EN 1.4878 Stainless Steel

Both EN 1.0303 steel and EN 1.4878 stainless steel are iron alloys. They have 70% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, 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 1.4878 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 84 to 120
180
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 12 to 25
45
Fatigue Strength, MPa 150 to 230
190
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Shear Strength, MPa 220 to 260
430
Tensile Strength: Ultimate (UTS), MPa 290 to 410
610
Tensile Strength: Yield (Proof), MPa 200 to 320
210

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 400
850
Melting Completion (Liquidus), °C 1470
1430
Melting Onset (Solidus), °C 1430
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 53
15
Thermal Expansion, µm/m-K 12
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.9
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 7.9
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
16
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.4
3.2
Embodied Energy, MJ/kg 18
46
Embodied Water, L/kg 46
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 30 to 94
210
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 270
120
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 10 to 15
22
Strength to Weight: Bending, points 12 to 16
20
Thermal Diffusivity, mm2/s 14
4.0
Thermal Shock Resistance, points 9.2 to 13
13

Alloy Composition

Aluminum (Al), % 0.020 to 0.060
0
Carbon (C), % 0.020 to 0.060
0 to 0.1
Chromium (Cr), % 0
17 to 19
Iron (Fe), % 99.335 to 99.71
65 to 74
Manganese (Mn), % 0.25 to 0.4
0 to 2.0
Nickel (Ni), % 0
9.0 to 12
Phosphorus (P), % 0 to 0.020
0 to 0.045
Silicon (Si), % 0 to 0.1
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.015
Titanium (Ti), % 0
0 to 0.8