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ASTM A202 Steel vs. EN 1.4945 Stainless Steel

Both ASTM A202 steel and EN 1.4945 stainless 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 ASTM A202 steel and the bottom bar is EN 1.4945 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180 to 200
200 to 220
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 17 to 18
19 to 34
Fatigue Strength, MPa 240
230 to 350
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Shear Strength, MPa 360 to 410
430 to 460
Tensile Strength: Ultimate (UTS), MPa 590 to 670
640 to 740
Tensile Strength: Yield (Proof), MPa 350 to 360
290 to 550

Thermal Properties

Latent Heat of Fusion, J/g 260
290
Maximum Temperature: Mechanical, °C 410
920
Melting Completion (Liquidus), °C 1450
1490
Melting Onset (Solidus), °C 1410
1440
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 52
14
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
3.2

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
30
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 1.4
5.0
Embodied Energy, MJ/kg 19
73
Embodied Water, L/kg 49
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 93 to 96
130 to 180
Resilience: Unit (Modulus of Resilience), kJ/m3 330 to 350
210 to 760
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 21 to 24
22 to 25
Strength to Weight: Bending, points 20 to 22
20 to 22
Thermal Diffusivity, mm2/s 14
3.7
Thermal Shock Resistance, points 17 to 20
14 to 16

Comparable Variants