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EN 1.0308 Steel vs. N08031 Stainless Steel

Both EN 1.0308 steel and N08031 stainless steel are iron alloys. They have a modest 34% 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 (5, in this case) are not shown.

For each property being compared, the top bar is EN 1.0308 steel and the bottom bar is N08031 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 7.8 to 28
45
Fatigue Strength, MPa 140 to 200
290
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
81
Shear Strength, MPa 230 to 260
510
Tensile Strength: Ultimate (UTS), MPa 360 to 440
730
Tensile Strength: Yield (Proof), MPa 190 to 340
310

Thermal Properties

Latent Heat of Fusion, J/g 250
310
Maximum Temperature: Mechanical, °C 400
1100
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1390
Specific Heat Capacity, J/kg-K 470
460
Thermal Conductivity, W/m-K 51
12
Thermal Expansion, µm/m-K 12
18

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
39
Density, g/cm3 7.9
8.1
Embodied Carbon, kg CO2/kg material 1.4
7.1
Embodied Energy, MJ/kg 18
96
Embodied Water, L/kg 46
240

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 32 to 95
270
Resilience: Unit (Modulus of Resilience), kJ/m3 93 to 300
230
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 13 to 16
25
Strength to Weight: Bending, points 14 to 16
22
Thermal Diffusivity, mm2/s 14
3.1
Thermal Shock Resistance, points 11 to 14
14

Alloy Composition

Carbon (C), % 0 to 0.17
0 to 0.015
Chromium (Cr), % 0
26 to 28
Copper (Cu), % 0
1.0 to 1.4
Iron (Fe), % 98.2 to 100
29 to 36.9
Manganese (Mn), % 0 to 1.2
0 to 2.0
Molybdenum (Mo), % 0
6.0 to 7.0
Nickel (Ni), % 0
30 to 32
Nitrogen (N), % 0
0.15 to 0.25
Phosphorus (P), % 0 to 0.045
0 to 0.020
Silicon (Si), % 0 to 0.35
0 to 0.3
Sulfur (S), % 0 to 0.045
0 to 0.010