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ASTM A36 Carbon Steel vs. EN 1.4307 Stainless Steel

Both ASTM A36 carbon steel and EN 1.4307 stainless steel are iron alloys. They have 71% 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 EN 1.4307 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
180 to 270
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 22
14 to 46
Fatigue Strength, MPa 200
190 to 320
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Shear Strength, MPa 300
410 to 550
Tensile Strength: Ultimate (UTS), MPa 480
590 to 900
Tensile Strength: Yield (Proof), MPa 290
200 to 570

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 400
940
Melting Completion (Liquidus), °C 1460
1430
Melting Onset (Solidus), °C 1420
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 50
15
Thermal Expansion, µm/m-K 11
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 12
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 14
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
15
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.4
3.0
Embodied Energy, MJ/kg 18
43
Embodied Water, L/kg 44
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 92
110 to 210
Resilience: Unit (Modulus of Resilience), kJ/m3 220
100 to 810
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 17
21 to 32
Strength to Weight: Bending, points 17
20 to 27
Thermal Diffusivity, mm2/s 14
4.0
Thermal Shock Resistance, points 16
13 to 20

Alloy Composition

Carbon (C), % 0 to 0.26
0 to 0.030
Chromium (Cr), % 0
17.5 to 19.5
Iron (Fe), % 99.25 to 100
66.8 to 74.5
Manganese (Mn), % 0
0 to 2.0
Nickel (Ni), % 0
8.0 to 10.5
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.050
0 to 0.015