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EN 1.4805 Stainless Steel vs. ASTM A36 Carbon Steel

Both EN 1.4805 stainless steel and ASTM A36 carbon steel are iron alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 51% of their average alloy composition in common. 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 1.4805 stainless steel and the bottom bar is ASTM A36 carbon steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
140
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 9.0
22
Fatigue Strength, MPa 130
200
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Tensile Strength: Ultimate (UTS), MPa 490
480
Tensile Strength: Yield (Proof), MPa 250
290

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Maximum Temperature: Mechanical, °C 1000
400
Melting Completion (Liquidus), °C 1390
1460
Melting Onset (Solidus), °C 1350
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 14
50
Thermal Expansion, µm/m-K 16
11

Otherwise Unclassified Properties

Base Metal Price, % relative 26
1.8
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 4.7
1.4
Embodied Energy, MJ/kg 66
18
Embodied Water, L/kg 180
44

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 37
92
Resilience: Unit (Modulus of Resilience), kJ/m3 150
220
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 17
17
Strength to Weight: Bending, points 18
17
Thermal Diffusivity, mm2/s 3.7
14
Thermal Shock Resistance, points 11
16

Alloy Composition

Carbon (C), % 0.2 to 0.5
0 to 0.26
Chromium (Cr), % 19 to 23
0
Iron (Fe), % 44.9 to 56.8
99.25 to 100
Manganese (Mn), % 0 to 2.0
0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 23 to 27
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 1.0 to 2.0
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.050