MakeItFrom.com
Menu (ESC)

AISI 304LN Stainless Steel vs. ACI-ASTM CA40F Steel

Both AISI 304LN stainless steel and ACI-ASTM CA40F steel are iron alloys. They have 84% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is AISI 304LN stainless steel and the bottom bar is ACI-ASTM CA40F steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 350
230
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 7.8 to 46
13
Fatigue Strength, MPa 200 to 440
320
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
76
Tensile Strength: Ultimate (UTS), MPa 580 to 1160
770
Tensile Strength: Yield (Proof), MPa 230 to 870
550

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Corrosion, °C 420
390
Maximum Temperature: Mechanical, °C 960
750
Melting Completion (Liquidus), °C 1420
1430
Melting Onset (Solidus), °C 1380
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
27
Thermal Expansion, µm/m-K 16
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
3.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
3.5

Otherwise Unclassified Properties

Base Metal Price, % relative 16
7.5
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 3.1
2.0
Embodied Energy, MJ/kg 44
28
Embodied Water, L/kg 150
100

Common Calculations

PREN (Pitting Resistance) 21
14
Resilience: Ultimate (Unit Rupture Work), MJ/m3 83 to 270
94
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 1900
790
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21 to 41
28
Strength to Weight: Bending, points 20 to 31
24
Thermal Diffusivity, mm2/s 4.0
7.2
Thermal Shock Resistance, points 13 to 26
28

Alloy Composition

Carbon (C), % 0 to 0.030
0.2 to 0.4
Chromium (Cr), % 18 to 20
11.5 to 14
Iron (Fe), % 65 to 73.9
81.6 to 88.3
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 8.0 to 12
0 to 1.0
Nitrogen (N), % 0.1 to 0.16
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 0.75
0 to 1.5
Sulfur (S), % 0 to 0.030
0.2 to 0.4