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EN 1.4923 Stainless Steel vs. ASTM A356 Grade 2

Both EN 1.4923 stainless steel and ASTM A356 grade 2 are iron alloys. They have 87% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is EN 1.4923 stainless steel and the bottom bar is ASTM A356 grade 2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 12 to 21
25
Fatigue Strength, MPa 300 to 440
200
Poisson's Ratio 0.28
0.29
Reduction in Area, % 40 to 46
39
Shear Modulus, GPa 76
73
Tensile Strength: Ultimate (UTS), MPa 870 to 980
510
Tensile Strength: Yield (Proof), MPa 470 to 780
270

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 740
410
Melting Completion (Liquidus), °C 1450
1470
Melting Onset (Solidus), °C 1410
1430
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 24
51
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 8.0
2.4
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.9
1.5
Embodied Energy, MJ/kg 41
20
Embodied Water, L/kg 100
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 150
110
Resilience: Unit (Modulus of Resilience), kJ/m3 570 to 1580
190
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 31 to 35
18
Strength to Weight: Bending, points 26 to 28
18
Thermal Diffusivity, mm2/s 6.5
14
Thermal Shock Resistance, points 30 to 34
15

Alloy Composition

Carbon (C), % 0.18 to 0.24
0 to 0.25
Chromium (Cr), % 11 to 12.5
0
Iron (Fe), % 83.5 to 87.1
97.7 to 99.55
Manganese (Mn), % 0.4 to 0.9
0 to 0.7
Molybdenum (Mo), % 0.8 to 1.2
0.45 to 0.65
Nickel (Ni), % 0.3 to 0.8
0
Phosphorus (P), % 0 to 0.025
0 to 0.035
Silicon (Si), % 0 to 0.5
0 to 0.6
Sulfur (S), % 0 to 0.015
0 to 0.030
Vanadium (V), % 0.25 to 0.35
0