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ACI-ASTM CH20 Steel vs. EN 1.4563 Stainless Steel

Both ACI-ASTM CH20 steel and EN 1.4563 stainless steel are iron alloys. They have 75% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CH20 steel and the bottom bar is EN 1.4563 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
200
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 38
40
Fatigue Strength, MPa 290
210
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 78
80
Tensile Strength: Ultimate (UTS), MPa 610
620
Tensile Strength: Yield (Proof), MPa 350
250

Thermal Properties

Latent Heat of Fusion, J/g 310
310
Maximum Temperature: Corrosion, °C 440
460
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1410
1420
Melting Onset (Solidus), °C 1430
1370
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 14
12
Thermal Expansion, µm/m-K 15
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 20
36
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 3.7
6.3
Embodied Energy, MJ/kg 53
87
Embodied Water, L/kg 180
240

Common Calculations

PREN (Pitting Resistance) 25
39
Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
200
Resilience: Unit (Modulus of Resilience), kJ/m3 300
150
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22
21
Strength to Weight: Bending, points 21
20
Thermal Diffusivity, mm2/s 3.7
3.2
Thermal Shock Resistance, points 15
13

Alloy Composition

Carbon (C), % 0 to 0.2
0 to 0.020
Chromium (Cr), % 22 to 26
26 to 28
Copper (Cu), % 0
0.7 to 1.5
Iron (Fe), % 54.7 to 66
31.6 to 40.3
Manganese (Mn), % 0 to 1.5
0 to 2.0
Molybdenum (Mo), % 0 to 0.5
3.0 to 4.0
Nickel (Ni), % 12 to 15
30 to 32
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 2.0
0 to 0.7
Sulfur (S), % 0 to 0.040
0 to 0.010