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ASTM A225 Steel vs. EN 1.4584 Stainless Steel

Both ASTM A225 steel and EN 1.4584 stainless steel are iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is ASTM A225 steel and the bottom bar is EN 1.4584 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 250
150
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 21 to 23
34
Fatigue Strength, MPa 330 to 390
170
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
79
Tensile Strength: Ultimate (UTS), MPa 620 to 830
500
Tensile Strength: Yield (Proof), MPa 460 to 550
210

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 400
1100
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1390
Specific Heat Capacity, J/kg-K 470
460
Thermal Conductivity, W/m-K 52
17
Thermal Expansion, µm/m-K 13
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3
31
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 1.8
5.7
Embodied Energy, MJ/kg 24 to 25
78
Embodied Water, L/kg 48
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 170
140
Resilience: Unit (Modulus of Resilience), kJ/m3 580 to 820
110
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22 to 29
17
Strength to Weight: Bending, points 21 to 25
17
Thermal Diffusivity, mm2/s 14
4.5
Thermal Shock Resistance, points 18 to 24
12