MakeItFrom.com
Menu (ESC)

ACI-ASTM CA28MWV Steel vs. AISI 321 Stainless Steel

Both ACI-ASTM CA28MWV steel and AISI 321 stainless steel are iron alloys. They have 83% 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 CA28MWV steel and the bottom bar is AISI 321 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 330
170 to 210
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 11
34 to 50
Fatigue Strength, MPa 470
220 to 270
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
77
Tensile Strength: Ultimate (UTS), MPa 1080
590 to 690
Tensile Strength: Yield (Proof), MPa 870
220 to 350

Thermal Properties

Latent Heat of Fusion, J/g 270
290
Maximum Temperature: Corrosion, °C 380
480
Maximum Temperature: Mechanical, °C 740
870
Melting Completion (Liquidus), °C 1470
1430
Melting Onset (Solidus), °C 1430
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 25
16
Thermal Expansion, µm/m-K 10
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.6
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 5.3
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 11
16
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 3.1
3.2
Embodied Energy, MJ/kg 44
45
Embodied Water, L/kg 100
140

Common Calculations

PREN (Pitting Resistance) 17
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
190 to 230
Resilience: Unit (Modulus of Resilience), kJ/m3 1920
130 to 310
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 38
21 to 25
Strength to Weight: Bending, points 30
20 to 22
Thermal Diffusivity, mm2/s 6.6
4.1
Thermal Shock Resistance, points 40
13 to 15

Alloy Composition

Carbon (C), % 0.2 to 0.28
0 to 0.080
Chromium (Cr), % 11 to 12.5
17 to 19
Iron (Fe), % 81.4 to 85.8
65.3 to 74
Manganese (Mn), % 0.5 to 1.0
0 to 2.0
Molybdenum (Mo), % 0.9 to 1.3
0
Nickel (Ni), % 0.5 to 1.0
9.0 to 12
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.030
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.030
Titanium (Ti), % 0
0 to 0.7
Tungsten (W), % 0.9 to 1.3
0
Vanadium (V), % 0.2 to 0.3
0