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ASTM A36 Carbon Steel vs. EN 1.4958 Stainless Steel

Both ASTM A36 carbon steel and EN 1.4958 stainless steel are iron alloys. They have 46% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is ASTM A36 carbon steel and the bottom bar is EN 1.4958 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 22
40
Fatigue Strength, MPa 200
170
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Shear Strength, MPa 300
430
Tensile Strength: Ultimate (UTS), MPa 480
630
Tensile Strength: Yield (Proof), MPa 290
190

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 400
1090
Melting Completion (Liquidus), °C 1460
1400
Melting Onset (Solidus), °C 1420
1350
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 50
12
Thermal Expansion, µm/m-K 11
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 12
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 14
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
30
Density, g/cm3 7.9
8.0
Embodied Carbon, kg CO2/kg material 1.4
5.3
Embodied Energy, MJ/kg 18
75
Embodied Water, L/kg 44
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 92
190
Resilience: Unit (Modulus of Resilience), kJ/m3 220
95
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 17
22
Strength to Weight: Bending, points 17
20
Thermal Diffusivity, mm2/s 14
3.2
Thermal Shock Resistance, points 16
15

Alloy Composition

Aluminum (Al), % 0
0.2 to 0.5
Carbon (C), % 0 to 0.26
0.030 to 0.080
Chromium (Cr), % 0
19 to 22
Cobalt (Co), % 0
0 to 0.5
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 99.25 to 100
41.1 to 50.6
Manganese (Mn), % 0
0 to 1.5
Nickel (Ni), % 0
30 to 32.5
Niobium (Nb), % 0
0 to 0.1
Nitrogen (N), % 0
0 to 0.030
Phosphorus (P), % 0 to 0.040
0 to 0.015
Silicon (Si), % 0 to 0.4
0 to 0.7
Sulfur (S), % 0 to 0.050
0 to 0.010
Titanium (Ti), % 0
0.2 to 0.5