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ACI-ASTM CE30 Steel vs. AISI 441 Stainless Steel

Both ACI-ASTM CE30 steel and AISI 441 stainless steel are iron alloys. They have 81% of their average alloy composition in common. There are 32 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 CE30 steel and the bottom bar is AISI 441 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
170
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 11
23
Fatigue Strength, MPa 170
180
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 79
77
Tensile Strength: Ultimate (UTS), MPa 630
470
Tensile Strength: Yield (Proof), MPa 310
270

Thermal Properties

Latent Heat of Fusion, J/g 310
280
Maximum Temperature: Corrosion, °C 460
550
Maximum Temperature: Mechanical, °C 1100
910
Melting Completion (Liquidus), °C 1410
1440
Melting Onset (Solidus), °C 1360
1400
Specific Heat Capacity, J/kg-K 490
480
Thermal Conductivity, W/m-K 14
23
Thermal Expansion, µm/m-K 17
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
2.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
3.1

Otherwise Unclassified Properties

Base Metal Price, % relative 19
13
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 3.4
2.8
Embodied Energy, MJ/kg 49
41
Embodied Water, L/kg 180
130

Common Calculations

PREN (Pitting Resistance) 28
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 59
92
Resilience: Unit (Modulus of Resilience), kJ/m3 240
190
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 23
17
Strength to Weight: Bending, points 21
17
Thermal Diffusivity, mm2/s 3.6
6.1
Thermal Shock Resistance, points 13
16

Alloy Composition

Carbon (C), % 0 to 0.3
0 to 0.030
Chromium (Cr), % 26 to 30
17.5 to 19.5
Iron (Fe), % 55.1 to 66
76 to 82.2
Manganese (Mn), % 0 to 1.5
0 to 1.0
Nickel (Ni), % 8.0 to 11
0 to 1.0
Niobium (Nb), % 0
0.3 to 0.9
Nitrogen (N), % 0
0 to 0.030
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
Titanium (Ti), % 0
0.1 to 0.5