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EN 1.4594 Stainless Steel vs. ASTM A225 Steel

Both EN 1.4594 stainless steel and ASTM A225 steel are iron alloys. There are 30 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 1.4594 stainless steel and the bottom bar is ASTM A225 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 11 to 17
21 to 23
Fatigue Strength, MPa 490 to 620
330 to 390
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Shear Strength, MPa 620 to 700
390 to 520
Tensile Strength: Ultimate (UTS), MPa 1020 to 1170
620 to 830
Tensile Strength: Yield (Proof), MPa 810 to 1140
460 to 550

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 820
400
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 16
52
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 15
2.3
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 3.2
1.8
Embodied Energy, MJ/kg 45
24 to 25
Embodied Water, L/kg 130
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 190
120 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 1660 to 3320
580 to 820
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 36 to 41
22 to 29
Strength to Weight: Bending, points 29 to 31
21 to 25
Thermal Diffusivity, mm2/s 4.4
14
Thermal Shock Resistance, points 34 to 39
18 to 24

Comparable Variants