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EN 1.4571 Stainless Steel vs. ASTM A225 Steel

Both EN 1.4571 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 (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.4571 stainless steel and the bottom bar is ASTM A225 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 270
190 to 250
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 14 to 40
21 to 23
Fatigue Strength, MPa 200 to 330
330 to 390
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
73
Shear Strength, MPa 410 to 550
390 to 520
Tensile Strength: Ultimate (UTS), MPa 600 to 900
620 to 830
Tensile Strength: Yield (Proof), MPa 230 to 570
460 to 550

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 950
400
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 15
52
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 19
2.3
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 3.9
1.8
Embodied Energy, MJ/kg 54
24 to 25
Embodied Water, L/kg 150
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 190
120 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 820
580 to 820
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21 to 32
22 to 29
Strength to Weight: Bending, points 20 to 26
21 to 25
Thermal Diffusivity, mm2/s 4.0
14
Thermal Shock Resistance, points 13 to 20
18 to 24

Comparable Variants