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ACI-ASTM CH20 Steel vs. EN 1.4874 Stainless Steel

Both ACI-ASTM CH20 steel and EN 1.4874 stainless steel are iron alloys. They have 67% of their average alloy composition in common. There are 30 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 1.4874 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
140
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 38
6.7
Fatigue Strength, MPa 290
180
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 78
80
Tensile Strength: Ultimate (UTS), MPa 610
480
Tensile Strength: Yield (Proof), MPa 350
360

Thermal Properties

Latent Heat of Fusion, J/g 310
300
Maximum Temperature: Corrosion, °C 440
560
Maximum Temperature: Mechanical, °C 1100
1150
Melting Completion (Liquidus), °C 1410
1450
Melting Onset (Solidus), °C 1430
1400
Specific Heat Capacity, J/kg-K 480
450
Thermal Conductivity, W/m-K 14
13
Thermal Expansion, µm/m-K 15
15

Otherwise Unclassified Properties

Base Metal Price, % relative 20
70
Density, g/cm3 7.8
8.4
Embodied Carbon, kg CO2/kg material 3.7
7.6
Embodied Energy, MJ/kg 53
110
Embodied Water, L/kg 180
290

Common Calculations

PREN (Pitting Resistance) 25
34
Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
29
Resilience: Unit (Modulus of Resilience), kJ/m3 300
310
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22
16
Strength to Weight: Bending, points 21
16
Thermal Diffusivity, mm2/s 3.7
3.3
Thermal Shock Resistance, points 15
11

Alloy Composition

Carbon (C), % 0 to 0.2
0.35 to 0.65
Chromium (Cr), % 22 to 26
19 to 22
Cobalt (Co), % 0
18.5 to 22
Iron (Fe), % 54.7 to 66
23 to 38.9
Manganese (Mn), % 0 to 1.5
0 to 2.0
Molybdenum (Mo), % 0 to 0.5
2.5 to 3.0
Nickel (Ni), % 12 to 15
18 to 22
Niobium (Nb), % 0
0.75 to 1.3
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 2.0
0 to 1.0
Sulfur (S), % 0 to 0.040
0 to 0.030
Tungsten (W), % 0
2.0 to 3.0