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ASTM A203 Steel vs. EN 1.4419 Stainless Steel

Both ASTM A203 steel and EN 1.4419 stainless 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 ASTM A203 steel and the bottom bar is EN 1.4419 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 22 to 26
11 to 17
Fatigue Strength, MPa 210 to 280
230 to 680
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Shear Strength, MPa 330 to 370
410 to 950
Tensile Strength: Ultimate (UTS), MPa 520 to 590
660 to 1590
Tensile Strength: Yield (Proof), MPa 290 to 390
370 to 1240

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 410
790
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 52
30
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4 to 7.6
2.8
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5 to 8.7
3.2

Otherwise Unclassified Properties

Base Metal Price, % relative 3.2 to 4.0
8.0
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 1.6 to 1.7
2.2
Embodied Energy, MJ/kg 21 to 23
30
Embodied Water, L/kg 50 to 52
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 120
95 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 230 to 410
350 to 3920
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 18 to 21
24 to 57
Strength to Weight: Bending, points 18 to 20
22 to 39
Thermal Diffusivity, mm2/s 14
8.1
Thermal Shock Resistance, points 15 to 17
23 to 55