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EN 1.4547 Stainless Steel vs. ASTM A225 Steel

Both EN 1.4547 stainless steel and ASTM A225 steel are iron alloys. 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 EN 1.4547 stainless steel and the bottom bar is ASTM A225 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
190 to 250
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 39
21 to 23
Fatigue Strength, MPa 290
330 to 390
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 80
73
Shear Strength, MPa 510
390 to 520
Tensile Strength: Ultimate (UTS), MPa 750
620 to 830
Tensile Strength: Yield (Proof), MPa 340
460 to 550

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1090
400
Melting Completion (Liquidus), °C 1470
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 14
52
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 28
2.3
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 5.6
1.8
Embodied Energy, MJ/kg 75
24 to 25
Embodied Water, L/kg 190
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
120 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 290
580 to 820
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 26
22 to 29
Strength to Weight: Bending, points 23
21 to 25
Thermal Diffusivity, mm2/s 3.8
14
Thermal Shock Resistance, points 16
18 to 24