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ASTM A299 Steel vs. S41050 Stainless Steel

Both ASTM A299 steel and S41050 stainless 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 ASTM A299 steel and the bottom bar is S41050 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180 to 190
160
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 21 to 22
25
Fatigue Strength, MPa 230 to 250
160
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Shear Strength, MPa 370 to 390
300
Tensile Strength: Ultimate (UTS), MPa 590 to 620
470
Tensile Strength: Yield (Proof), MPa 330 to 360
230

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Maximum Temperature: Mechanical, °C 400
720
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 51
27
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
7.0
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
1.9
Embodied Energy, MJ/kg 19
27
Embodied Water, L/kg 47
97

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
98
Resilience: Unit (Modulus of Resilience), kJ/m3 290 to 350
140
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 21 to 22
17
Strength to Weight: Bending, points 20 to 21
17
Thermal Diffusivity, mm2/s 14
7.2
Thermal Shock Resistance, points 17 to 18
17