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EN 1.4404 Stainless Steel vs. ASTM A202 Steel

Both EN 1.4404 stainless steel and ASTM A202 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 1.4404 stainless steel and the bottom bar is ASTM A202 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 270
180 to 200
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 14 to 43
17 to 18
Fatigue Strength, MPa 220 to 320
240
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
73
Shear Strength, MPa 420 to 550
360 to 410
Tensile Strength: Ultimate (UTS), MPa 600 to 900
590 to 670
Tensile Strength: Yield (Proof), MPa 240 to 570
350 to 360

Thermal Properties

Latent Heat of Fusion, J/g 290
260
Maximum Temperature: Mechanical, °C 950
410
Melting Completion (Liquidus), °C 1440
1450
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 15
52
Thermal Expansion, µm/m-K 16
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
2.1
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 3.8
1.4
Embodied Energy, MJ/kg 52
19
Embodied Water, L/kg 150
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 210
93 to 96
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 800
330 to 350
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21 to 32
21 to 24
Strength to Weight: Bending, points 20 to 26
20 to 22
Thermal Diffusivity, mm2/s 4.0
14
Thermal Shock Resistance, points 13 to 20
17 to 20

Comparable Variants