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EN 1.4823 Stainless Steel vs. ASTM A356 Grade 8

Both EN 1.4823 stainless steel and ASTM A356 grade 8 are iron alloys. They have 69% of their average alloy composition in common. 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 1.4823 stainless steel and the bottom bar is ASTM A356 grade 8.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 3.4
21
Fatigue Strength, MPa 130
270
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 79
73
Tensile Strength: Ultimate (UTS), MPa 620
630
Tensile Strength: Yield (Proof), MPa 290
390

Thermal Properties

Latent Heat of Fusion, J/g 320
260
Maximum Temperature: Mechanical, °C 1100
440
Melting Completion (Liquidus), °C 1400
1470
Melting Onset (Solidus), °C 1360
1430
Specific Heat Capacity, J/kg-K 490
470
Thermal Conductivity, W/m-K 17
38
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 16
3.5
Density, g/cm3 7.6
7.8
Embodied Carbon, kg CO2/kg material 3.0
2.0
Embodied Energy, MJ/kg 43
26
Embodied Water, L/kg 170
55

Common Calculations

PREN (Pitting Resistance) 27
4.7
Resilience: Ultimate (Unit Rupture Work), MJ/m3 17
110
Resilience: Unit (Modulus of Resilience), kJ/m3 200
390
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 26
24
Strength to Weight: Axial, points 23
22
Strength to Weight: Bending, points 21
21
Thermal Diffusivity, mm2/s 4.5
10
Thermal Shock Resistance, points 17
18

Alloy Composition

Carbon (C), % 0.3 to 0.5
0 to 0.2
Chromium (Cr), % 25 to 28
1.0 to 1.5
Iron (Fe), % 60.9 to 70.7
95.4 to 97.4
Manganese (Mn), % 0 to 1.5
0.5 to 0.9
Molybdenum (Mo), % 0 to 0.5
0.9 to 1.2
Nickel (Ni), % 3.0 to 6.0
0
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 1.0 to 2.5
0.2 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0
0.050 to 0.15