ACI-ASTM CG3M Steel vs. EN 1.4825 Stainless Steel
Both ACI-ASTM CG3M steel and EN 1.4825 stainless steel are iron alloys. They have a moderately high 93% of their average alloy composition in common.
For each property being compared, the top bar is ACI-ASTM CG3M steel and the bottom bar is EN 1.4825 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
Brinell Hardness | 170 | |
150 |
Elastic (Young's, Tensile) Modulus, GPa | 200 | |
200 |
Elongation at Break, % | 28 | |
17 |
Fatigue Strength, MPa | 200 | |
160 |
Poisson's Ratio | 0.28 | |
0.28 |
Shear Modulus, GPa | 79 | |
77 |
Tensile Strength: Ultimate (UTS), MPa | 580 | |
510 |
Tensile Strength: Yield (Proof), MPa | 270 | |
260 |
Thermal Properties
Latent Heat of Fusion, J/g | 300 | |
300 |
Maximum Temperature: Corrosion, °C | 420 | |
410 |
Maximum Temperature: Mechanical, °C | 1020 | |
900 |
Melting Completion (Liquidus), °C | 1450 | |
1410 |
Melting Onset (Solidus), °C | 1400 | |
1370 |
Specific Heat Capacity, J/kg-K | 470 | |
480 |
Thermal Conductivity, W/m-K | 15 | |
15 |
Thermal Expansion, µm/m-K | 16 | |
16 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 2.0 | |
2.3 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 2.3 | |
2.7 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 20 | |
15 |
Density, g/cm3 | 7.9 | |
7.7 |
Embodied Carbon, kg CO2/kg material | 4.1 | |
3.1 |
Embodied Energy, MJ/kg | 56 | |
43 |
Embodied Water, L/kg | 160 | |
140 |
Common Calculations
PREN (Pitting Resistance) | 31 | |
19 |
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 130 | |
72 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 190 | |
170 |
Stiffness to Weight: Axial, points | 14 | |
14 |
Stiffness to Weight: Bending, points | 25 | |
25 |
Strength to Weight: Axial, points | 20 | |
18 |
Strength to Weight: Bending, points | 20 | |
18 |
Thermal Diffusivity, mm2/s | 4.1 | |
4.0 |
Thermal Shock Resistance, points | 13 | |
12 |
Alloy Composition
Carbon (C), % | 0 to 0.030 | |
0.15 to 0.35 |
Chromium (Cr), % | 18 to 21 | |
17 to 19 |
Iron (Fe), % | 58.9 to 70 | |
65.6 to 74.4 |
Manganese (Mn), % | 0 to 1.5 | |
0 to 2.0 |
Molybdenum (Mo), % | 3.0 to 4.0 | |
0 to 0.5 |
Nickel (Ni), % | 9.0 to 13 | |
8.0 to 10 |
Phosphorus (P), % | 0 to 0.040 | |
0 to 0.040 |
Silicon (Si), % | 0 to 1.5 | |
0.5 to 2.5 |
Sulfur (S), % | 0 to 0.040 | |
0 to 0.030 |