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ASTM A302 Alloy Steel vs. S35135 Stainless Steel

Both ASTM A302 alloy steel and S35135 stainless steel are iron alloys. There are 26 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is ASTM A302 alloy steel and the bottom bar is S35135 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 20 to 23
34
Fatigue Strength, MPa 250 to 280
180
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
79
Shear Strength, MPa 370 to 390
390
Tensile Strength: Ultimate (UTS), MPa 590 to 620
590
Tensile Strength: Yield (Proof), MPa 350 to 390
230

Thermal Properties

Latent Heat of Fusion, J/g 250
320
Maximum Temperature: Mechanical, °C 410
1100
Melting Completion (Liquidus), °C 1460
1430
Melting Onset (Solidus), °C 1420
1380
Specific Heat Capacity, J/kg-K 470
470
Thermal Expansion, µm/m-K 13
16

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4 to 3.0
37
Density, g/cm3 7.8 to 7.9
8.1
Embodied Carbon, kg CO2/kg material 1.5 to 1.6
6.8
Embodied Energy, MJ/kg 20 to 21
94
Embodied Water, L/kg 48 to 50
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 120
160
Resilience: Unit (Modulus of Resilience), kJ/m3 330 to 410
130
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 21 to 22
20
Strength to Weight: Bending, points 20 to 21
19
Thermal Shock Resistance, points 17 to 18
13