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EN 1.4482 Stainless Steel vs. ASTM A302 Alloy Steel

Both EN 1.4482 stainless steel and ASTM A302 alloy 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 EN 1.4482 stainless steel and the bottom bar is ASTM A302 alloy steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34
20 to 23
Fatigue Strength, MPa 420 to 450
250 to 280
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
73
Shear Strength, MPa 510 to 530
370 to 390
Tensile Strength: Ultimate (UTS), MPa 770 to 800
590 to 620
Tensile Strength: Yield (Proof), MPa 530 to 570
350 to 390

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 980
410
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1370
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
39 to 51
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.2 to 7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
8.2 to 8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 12
2.4 to 3.0
Density, g/cm3 7.7
7.8 to 7.9
Embodied Carbon, kg CO2/kg material 2.7
1.5 to 1.6
Embodied Energy, MJ/kg 38
20 to 21
Embodied Water, L/kg 150
48 to 50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 230 to 250
110 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 690 to 820
330 to 410
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 28 to 29
21 to 22
Strength to Weight: Bending, points 24 to 25
20 to 21
Thermal Diffusivity, mm2/s 4.0
10 to 14
Thermal Shock Resistance, points 21 to 22
17 to 18