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EN 1.4594 Stainless Steel vs. ASTM A204 Steel

Both EN 1.4594 stainless steel and ASTM A204 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 A204 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 11 to 17
18 to 22
Fatigue Strength, MPa 490 to 620
200 to 220
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Shear Strength, MPa 620 to 700
330 to 360
Tensile Strength: Ultimate (UTS), MPa 1020 to 1170
520 to 590
Tensile Strength: Yield (Proof), MPa 810 to 1140
290 to 330

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 820
410
Melting Completion (Liquidus), °C 1450
1470
Melting Onset (Solidus), °C 1410
1420 to 1430
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
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 15
2.4
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 3.2
1.5
Embodied Energy, MJ/kg 45
20
Embodied Water, L/kg 130
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 190
90 to 95
Resilience: Unit (Modulus of Resilience), kJ/m3 1660 to 3320
220 to 290
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 36 to 41
18 to 21
Strength to Weight: Bending, points 29 to 31
18 to 20
Thermal Diffusivity, mm2/s 4.4
14
Thermal Shock Resistance, points 34 to 39
15 to 17