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EN 1.4855 Stainless Steel vs. ACI-ASTM CG3M Steel

Both EN 1.4855 stainless steel and ACI-ASTM CG3M steel are iron alloys. They have 80% 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 EN 1.4855 stainless steel and the bottom bar is ACI-ASTM CG3M steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
170
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 4.6
28
Fatigue Strength, MPa 120
200
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
79
Tensile Strength: Ultimate (UTS), MPa 500
580
Tensile Strength: Yield (Proof), MPa 250
270

Thermal Properties

Latent Heat of Fusion, J/g 320
300
Maximum Temperature: Corrosion, °C 610
420
Maximum Temperature: Mechanical, °C 1050
1020
Melting Completion (Liquidus), °C 1400
1450
Melting Onset (Solidus), °C 1350
1400
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 14
15
Thermal Expansion, µm/m-K 16
16

Otherwise Unclassified Properties

Base Metal Price, % relative 34
20
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 5.9
4.1
Embodied Energy, MJ/kg 85
56
Embodied Water, L/kg 200
160

Common Calculations

PREN (Pitting Resistance) 25
31
Resilience: Ultimate (Unit Rupture Work), MJ/m3 19
130
Resilience: Unit (Modulus of Resilience), kJ/m3 160
190
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 18
20
Strength to Weight: Bending, points 18
20
Thermal Diffusivity, mm2/s 3.7
4.1
Thermal Shock Resistance, points 11
13

Alloy Composition

Carbon (C), % 0.3 to 0.5
0 to 0.030
Chromium (Cr), % 23 to 25
18 to 21
Iron (Fe), % 42.6 to 51.9
58.9 to 70
Manganese (Mn), % 0 to 2.0
0 to 1.5
Molybdenum (Mo), % 0 to 0.5
3.0 to 4.0
Nickel (Ni), % 23 to 25
9.0 to 13
Niobium (Nb), % 0.8 to 1.8
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 1.0 to 2.5
0 to 1.5
Sulfur (S), % 0 to 0.030
0 to 0.040