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ASTM A36 Carbon Steel vs. S44635 Stainless Steel

Both ASTM A36 carbon steel and S44635 stainless steel are iron alloys. They have 65% of their average alloy composition in common. There are 31 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 S44635 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
240
Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 22
23
Fatigue Strength, MPa 200
390
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 73
81
Shear Strength, MPa 300
450
Tensile Strength: Ultimate (UTS), MPa 480
710
Tensile Strength: Yield (Proof), MPa 290
580

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 400
1100
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 50
16
Thermal Expansion, µm/m-K 11
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 12
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 14
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
22
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.4
4.4
Embodied Energy, MJ/kg 18
62
Embodied Water, L/kg 44
170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 92
150
Resilience: Unit (Modulus of Resilience), kJ/m3 220
810
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 17
25
Strength to Weight: Bending, points 17
23
Thermal Diffusivity, mm2/s 14
4.4
Thermal Shock Resistance, points 16
23

Alloy Composition

Carbon (C), % 0 to 0.26
0 to 0.025
Chromium (Cr), % 0
24.5 to 26
Iron (Fe), % 99.25 to 100
61.5 to 68.5
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
3.5 to 4.5
Nickel (Ni), % 0
3.5 to 4.5
Niobium (Nb), % 0
0.2 to 0.8
Nitrogen (N), % 0
0 to 0.035
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 0.4
0 to 0.75
Sulfur (S), % 0 to 0.050
0 to 0.030
Titanium (Ti), % 0
0.2 to 0.8