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ASTM A285 Carbon Steel vs. EN 1.4724 Stainless Steel

Both ASTM A285 carbon steel and EN 1.4724 stainless steel are iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is ASTM A285 carbon steel and the bottom bar is EN 1.4724 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 110 to 130
170
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 30 to 34
16
Fatigue Strength, MPa 150 to 180
170
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
75
Shear Strength, MPa 250 to 290
340
Tensile Strength: Ultimate (UTS), MPa 380 to 450
550
Tensile Strength: Yield (Proof), MPa 190 to 230
280

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 400
850
Melting Completion (Liquidus), °C 1470
1430
Melting Onset (Solidus), °C 1420 to 1430
1390
Specific Heat Capacity, J/kg-K 470
490
Thermal Conductivity, W/m-K 53
21
Thermal Expansion, µm/m-K 12
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.0
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
7.0
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 1.4
2.0
Embodied Energy, MJ/kg 18
28
Embodied Water, L/kg 46
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
73
Resilience: Unit (Modulus of Resilience), kJ/m3 94 to 150
210
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 13 to 16
20
Strength to Weight: Bending, points 15 to 17
19
Thermal Diffusivity, mm2/s 14
5.6
Thermal Shock Resistance, points 12 to 14
19