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EN 1.0303 Steel vs. EN 1.4849 Stainless Steel

Both EN 1.0303 steel and EN 1.4849 stainless steel are iron alloys. They have a modest 38% of their average alloy composition in common, which, by itself, doesn't mean much. There are 28 material properties with values for both materials. Properties with values for just one material (6, 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 1.4849 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 84 to 120
140
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 12 to 25
4.5
Fatigue Strength, MPa 150 to 230
120
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
75
Tensile Strength: Ultimate (UTS), MPa 290 to 410
480
Tensile Strength: Yield (Proof), MPa 200 to 320
250

Thermal Properties

Latent Heat of Fusion, J/g 250
320
Maximum Temperature: Mechanical, °C 400
1020
Melting Completion (Liquidus), °C 1470
1390
Melting Onset (Solidus), °C 1430
1340
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 53
12
Thermal Expansion, µm/m-K 12
15

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
42
Density, g/cm3 7.9
8.0
Embodied Carbon, kg CO2/kg material 1.4
7.1
Embodied Energy, MJ/kg 18
100
Embodied Water, L/kg 46
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 30 to 94
18
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 270
160
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 10 to 15
17
Strength to Weight: Bending, points 12 to 16
17
Thermal Diffusivity, mm2/s 14
3.2
Thermal Shock Resistance, points 9.2 to 13
11

Alloy Composition

Aluminum (Al), % 0.020 to 0.060
0
Carbon (C), % 0.020 to 0.060
0.3 to 0.5
Chromium (Cr), % 0
18 to 21
Iron (Fe), % 99.335 to 99.71
32.6 to 43.5
Manganese (Mn), % 0.25 to 0.4
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0
36 to 39
Niobium (Nb), % 0
1.2 to 1.8
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0 to 0.1
1.0 to 2.5
Sulfur (S), % 0 to 0.025
0 to 0.030