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ASTM A302 Alloy Steel vs. EN 1.4006 Stainless Steel

Both ASTM A302 alloy steel and EN 1.4006 stainless steel are iron alloys. There are 30 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 A302 alloy steel and the bottom bar is EN 1.4006 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 20 to 23
16 to 23
Fatigue Strength, MPa 250 to 280
150 to 300
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Shear Strength, MPa 370 to 390
370 to 460
Tensile Strength: Ultimate (UTS), MPa 590 to 620
590 to 750
Tensile Strength: Yield (Proof), MPa 350 to 390
230 to 510

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Maximum Temperature: Mechanical, °C 410
740
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 39 to 51
30
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2 to 7.4
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2 to 8.4
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4 to 3.0
7.0
Density, g/cm3 7.8 to 7.9
7.7
Embodied Carbon, kg CO2/kg material 1.5 to 1.6
1.9
Embodied Energy, MJ/kg 20 to 21
27
Embodied Water, L/kg 48 to 50
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 120
99 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 330 to 410
140 to 660
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 21 to 22
21 to 27
Strength to Weight: Bending, points 20 to 21
20 to 24
Thermal Diffusivity, mm2/s 10 to 14
8.1
Thermal Shock Resistance, points 17 to 18
21 to 26

Comparable Variants