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S21603 Stainless Steel vs. EN 1.0303 Steel

Both S21603 stainless steel and EN 1.0303 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 S21603 stainless steel and the bottom bar is EN 1.0303 steel.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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