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ACI-ASTM CG8M Steel vs. EN 1.4527 Stainless Steel

Both ACI-ASTM CG8M steel and EN 1.4527 stainless steel are iron alloys. They have 78% of their average alloy composition in common. There are 31 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 CG8M steel and the bottom bar is EN 1.4527 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
140
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 45
40
Fatigue Strength, MPa 280
170
Impact Strength: V-Notched Charpy, J 110
67
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
77
Tensile Strength: Ultimate (UTS), MPa 550
480
Tensile Strength: Yield (Proof), MPa 300
190

Thermal Properties

Latent Heat of Fusion, J/g 300
310
Maximum Temperature: Corrosion, °C 420
430
Maximum Temperature: Mechanical, °C 1020
1100
Melting Completion (Liquidus), °C 1450
1410
Melting Onset (Solidus), °C 1400
1360
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 16
15
Thermal Expansion, µm/m-K 16
15

Otherwise Unclassified Properties

Base Metal Price, % relative 20
32
Density, g/cm3 7.9
8.1
Embodied Carbon, kg CO2/kg material 4.1
5.6
Embodied Energy, MJ/kg 56
78
Embodied Water, L/kg 160
210

Common Calculations

PREN (Pitting Resistance) 31
29
Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
150
Resilience: Unit (Modulus of Resilience), kJ/m3 220
95
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 19
17
Strength to Weight: Bending, points 19
17
Thermal Diffusivity, mm2/s 4.3
4.0
Thermal Shock Resistance, points 12
12

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.060
Chromium (Cr), % 18 to 21
19 to 22
Copper (Cu), % 0
3.0 to 4.0
Iron (Fe), % 58.8 to 70
37.4 to 48.5
Manganese (Mn), % 0 to 1.5
0 to 1.5
Molybdenum (Mo), % 3.0 to 4.0
2.0 to 3.0
Nickel (Ni), % 9.0 to 13
27.5 to 30.5
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.5
0 to 1.5
Sulfur (S), % 0 to 0.040
0 to 0.030