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EN 1.4646 Stainless Steel vs. ASTM A302 Alloy Steel

Both EN 1.4646 stainless steel and ASTM A302 alloy steel are iron alloys. There are 27 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 EN 1.4646 stainless steel and the bottom bar is ASTM A302 alloy steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
180 to 190
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34
20 to 23
Fatigue Strength, MPa 340
250 to 280
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 500
370 to 390
Tensile Strength: Ultimate (UTS), MPa 750
590 to 620
Tensile Strength: Yield (Proof), MPa 430
350 to 390

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 910
410
Melting Completion (Liquidus), °C 1390
1460
Melting Onset (Solidus), °C 1340
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 17
13

Otherwise Unclassified Properties

Base Metal Price, % relative 13
2.4 to 3.0
Density, g/cm3 7.7
7.8 to 7.9
Embodied Carbon, kg CO2/kg material 2.8
1.5 to 1.6
Embodied Energy, MJ/kg 41
20 to 21
Embodied Water, L/kg 160
48 to 50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
110 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 460
330 to 410
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 27
21 to 22
Strength to Weight: Bending, points 24
20 to 21
Thermal Shock Resistance, points 16
17 to 18