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ASTM A356 Grade 2 vs. EN 1.4547 Stainless Steel

Both ASTM A356 grade 2 and EN 1.4547 stainless steel are iron alloys. They have 55% 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 ASTM A356 grade 2 and the bottom bar is EN 1.4547 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
230
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 25
39
Fatigue Strength, MPa 200
290
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
80
Tensile Strength: Ultimate (UTS), MPa 510
750
Tensile Strength: Yield (Proof), MPa 270
340

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 410
1090
Melting Completion (Liquidus), °C 1470
1470
Melting Onset (Solidus), °C 1430
1420
Specific Heat Capacity, J/kg-K 470
460
Thermal Conductivity, W/m-K 51
14
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
28
Density, g/cm3 7.9
8.0
Embodied Carbon, kg CO2/kg material 1.5
5.6
Embodied Energy, MJ/kg 20
75
Embodied Water, L/kg 47
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
240
Resilience: Unit (Modulus of Resilience), kJ/m3 190
290
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 18
26
Strength to Weight: Bending, points 18
23
Thermal Diffusivity, mm2/s 14
3.8
Thermal Shock Resistance, points 15
16

Alloy Composition

Carbon (C), % 0 to 0.25
0 to 0.020
Chromium (Cr), % 0
19.5 to 20.5
Copper (Cu), % 0
0.5 to 1.0
Iron (Fe), % 97.7 to 99.55
51 to 56.3
Manganese (Mn), % 0 to 0.7
0 to 1.0
Molybdenum (Mo), % 0.45 to 0.65
6.0 to 7.0
Nickel (Ni), % 0
17.5 to 18.5
Nitrogen (N), % 0
0.18 to 0.25
Phosphorus (P), % 0 to 0.035
0 to 0.030
Silicon (Si), % 0 to 0.6
0 to 0.7
Sulfur (S), % 0 to 0.030
0 to 0.010