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EN 1.4588 Stainless Steel vs. ASTM A356 Grade 2

Both EN 1.4588 stainless steel and ASTM A356 grade 2 are iron alloys. They have 47% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.4588 stainless steel and the bottom bar is ASTM A356 grade 2.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
150
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34
25
Fatigue Strength, MPa 190
200
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 80
73
Tensile Strength: Ultimate (UTS), MPa 540
510
Tensile Strength: Yield (Proof), MPa 240
270

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
410
Melting Completion (Liquidus), °C 1450
1470
Melting Onset (Solidus), °C 1410
1430
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 15
51
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 33
2.4
Density, g/cm3 8.1
7.9
Embodied Carbon, kg CO2/kg material 6.2
1.5
Embodied Energy, MJ/kg 84
20
Embodied Water, L/kg 200
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
110
Resilience: Unit (Modulus of Resilience), kJ/m3 140
190
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 18
18
Strength to Weight: Bending, points 18
18
Thermal Diffusivity, mm2/s 4.0
14
Thermal Shock Resistance, points 11
15

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.25
Chromium (Cr), % 19 to 21
0
Copper (Cu), % 0.5 to 1.5
0
Iron (Fe), % 41.2 to 50.4
97.7 to 99.55
Manganese (Mn), % 0 to 2.0
0 to 0.7
Molybdenum (Mo), % 6.0 to 7.0
0.45 to 0.65
Nickel (Ni), % 24 to 26
0
Nitrogen (N), % 0.1 to 0.25
0
Phosphorus (P), % 0 to 0.035
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 0.6
Sulfur (S), % 0 to 0.020
0 to 0.030