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EN 1.4371 Stainless Steel vs. ASTM A202 Steel

Both EN 1.4371 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 (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.4371 stainless steel and the bottom bar is ASTM A202 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220 to 230
180 to 200
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 45 to 51
17 to 18
Fatigue Strength, MPa 290 to 340
240
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 520 to 540
360 to 410
Tensile Strength: Ultimate (UTS), MPa 740 to 750
590 to 670
Tensile Strength: Yield (Proof), MPa 320 to 340
350 to 360

Thermal Properties

Latent Heat of Fusion, J/g 280
260
Maximum Temperature: Mechanical, °C 880
410
Melting Completion (Liquidus), °C 1410
1450
Melting Onset (Solidus), °C 1370
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
52
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 12
2.1
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.6
1.4
Embodied Energy, MJ/kg 38
19
Embodied Water, L/kg 140
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 270 to 310
93 to 96
Resilience: Unit (Modulus of Resilience), kJ/m3 250 to 300
330 to 350
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 27
21 to 24
Strength to Weight: Bending, points 24
20 to 22
Thermal Diffusivity, mm2/s 4.0
14
Thermal Shock Resistance, points 16
17 to 20

Comparable Variants