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EN 1.4587 Stainless Steel vs. ACI-ASTM CH20 Steel

Both EN 1.4587 stainless steel and ACI-ASTM CH20 steel are iron alloys. They have 76% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.4587 stainless steel and the bottom bar is ACI-ASTM CH20 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
190
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34
38
Fatigue Strength, MPa 200
290
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 80
78
Tensile Strength: Ultimate (UTS), MPa 540
610
Tensile Strength: Yield (Proof), MPa 250
350

Thermal Properties

Latent Heat of Fusion, J/g 310
310
Maximum Temperature: Corrosion, °C 450
440
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1420
1410
Melting Onset (Solidus), °C 1370
1430
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 17
14
Thermal Expansion, µm/m-K 15
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.8
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 36
20
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 6.3
3.7
Embodied Energy, MJ/kg 87
53
Embodied Water, L/kg 230
180

Common Calculations

PREN (Pitting Resistance) 43
25
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
200
Resilience: Unit (Modulus of Resilience), kJ/m3 150
300
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 18
22
Strength to Weight: Bending, points 18
21
Thermal Diffusivity, mm2/s 4.5
3.7
Thermal Shock Resistance, points 13
15

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.2
Chromium (Cr), % 24 to 26
22 to 26
Copper (Cu), % 2.0 to 3.0
0
Iron (Fe), % 32.7 to 41.9
54.7 to 66
Manganese (Mn), % 0 to 2.0
0 to 1.5
Molybdenum (Mo), % 4.0 to 5.0
0 to 0.5
Nickel (Ni), % 28 to 30
12 to 15
Nitrogen (N), % 0.15 to 0.25
0
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 2.0
Sulfur (S), % 0 to 0.025
0 to 0.040