ACI-ASTM CH20 Steel vs. EN 1.4852 Stainless Steel
Both ACI-ASTM CH20 steel and EN 1.4852 stainless steel are iron alloys. They have 75% of their average alloy composition in common.
For each property being compared, the top bar is ACI-ASTM CH20 steel and the bottom bar is EN 1.4852 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
Brinell Hardness | 190 | |
140 |
Elastic (Young's, Tensile) Modulus, GPa | 200 | |
200 |
Elongation at Break, % | 38 | |
4.6 |
Fatigue Strength, MPa | 290 | |
120 |
Poisson's Ratio | 0.27 | |
0.28 |
Shear Modulus, GPa | 78 | |
77 |
Tensile Strength: Ultimate (UTS), MPa | 610 | |
490 |
Tensile Strength: Yield (Proof), MPa | 350 | |
250 |
Thermal Properties
Latent Heat of Fusion, J/g | 310 | |
330 |
Maximum Temperature: Corrosion, °C | 440 | |
620 |
Maximum Temperature: Mechanical, °C | 1100 | |
1100 |
Melting Completion (Liquidus), °C | 1410 | |
1380 |
Melting Onset (Solidus), °C | 1430 | |
1340 |
Specific Heat Capacity, J/kg-K | 480 | |
480 |
Thermal Conductivity, W/m-K | 14 | |
13 |
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 | |
2.0 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 20 | |
41 |
Density, g/cm3 | 7.8 | |
7.9 |
Embodied Carbon, kg CO2/kg material | 3.7 | |
6.9 |
Embodied Energy, MJ/kg | 53 | |
100 |
Embodied Water, L/kg | 180 | |
220 |
Common Calculations
PREN (Pitting Resistance) | 25 | |
26 |
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 200 | |
19 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 300 | |
160 |
Stiffness to Weight: Axial, points | 14 | |
14 |
Stiffness to Weight: Bending, points | 25 | |
25 |
Strength to Weight: Axial, points | 22 | |
17 |
Strength to Weight: Bending, points | 21 | |
18 |
Thermal Diffusivity, mm2/s | 3.7 | |
3.4 |
Thermal Shock Resistance, points | 15 | |
11 |
Alloy Composition
Carbon (C), % | 0 to 0.2 | |
0.3 to 0.5 |
Chromium (Cr), % | 22 to 26 | |
24 to 27 |
Iron (Fe), % | 54.7 to 66 | |
29.6 to 40.9 |
Manganese (Mn), % | 0 to 1.5 | |
0 to 2.0 |
Molybdenum (Mo), % | 0 to 0.5 | |
0 to 0.5 |
Nickel (Ni), % | 12 to 15 | |
33 to 36 |
Niobium (Nb), % | 0 | |
0.8 to 1.8 |
Phosphorus (P), % | 0 to 0.040 | |
0 to 0.040 |
Silicon (Si), % | 0 to 2.0 | |
1.0 to 2.5 |
Sulfur (S), % | 0 to 0.040 | |
0 to 0.030 |