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EN 1.0303 Steel vs. S21603 Stainless Steel

Both EN 1.0303 steel and S21603 stainless steel are iron alloys. They have 63% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is EN 1.0303 steel and the bottom bar is S21603 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 84 to 120
200
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 12 to 25
45
Fatigue Strength, MPa 150 to 230
360
Poisson's Ratio 0.29
0.28
Reduction in Area, % 75 to 86
57
Shear Modulus, GPa 73
79
Shear Strength, MPa 220 to 260
490
Tensile Strength: Ultimate (UTS), MPa 290 to 410
690
Tensile Strength: Yield (Proof), MPa 200 to 320
390

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 400
990
Melting Completion (Liquidus), °C 1470
1420
Melting Onset (Solidus), °C 1430
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 12
17

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
17
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 1.4
3.6
Embodied Energy, MJ/kg 18
50
Embodied Water, L/kg 46
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 30 to 94
270
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 270
380
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 10 to 15
25
Strength to Weight: Bending, points 12 to 16
22
Thermal Shock Resistance, points 9.2 to 13
15

Alloy Composition

Aluminum (Al), % 0.020 to 0.060
0
Carbon (C), % 0.020 to 0.060
0 to 0.030
Chromium (Cr), % 0
17.5 to 22
Iron (Fe), % 99.335 to 99.71
57.6 to 67.8
Manganese (Mn), % 0.25 to 0.4
7.5 to 9.0
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 0
5.0 to 7.0
Nitrogen (N), % 0
0.25 to 0.5
Phosphorus (P), % 0 to 0.020
0 to 0.045
Silicon (Si), % 0 to 0.1
0 to 0.75
Sulfur (S), % 0 to 0.025
0 to 0.030