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AISI 301LN Stainless Steel vs. ACI-ASTM CA15 Steel

Both AISI 301LN stainless steel and ACI-ASTM CA15 steel are iron alloys. They have 89% 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 AISI 301LN stainless steel and the bottom bar is ACI-ASTM CA15 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 320
220
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 23 to 51
21
Fatigue Strength, MPa 270 to 520
370
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
76
Tensile Strength: Ultimate (UTS), MPa 630 to 1060
700
Tensile Strength: Yield (Proof), MPa 270 to 770
570

Thermal Properties

Latent Heat of Fusion, J/g 280
280
Maximum Temperature: Corrosion, °C 410
390
Maximum Temperature: Mechanical, °C 890
750
Melting Completion (Liquidus), °C 1430
1440
Melting Onset (Solidus), °C 1380
1500
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
25
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 13
7.5
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 2.7
2.0
Embodied Energy, MJ/kg 39
28
Embodied Water, L/kg 130
100

Common Calculations

PREN (Pitting Resistance) 19
14
Resilience: Ultimate (Unit Rupture Work), MJ/m3 220 to 290
140
Resilience: Unit (Modulus of Resilience), kJ/m3 180 to 1520
820
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22 to 38
25
Strength to Weight: Bending, points 21 to 30
23
Thermal Diffusivity, mm2/s 4.0
6.7
Thermal Shock Resistance, points 14 to 24
26

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.15
Chromium (Cr), % 16 to 18
11.5 to 14
Iron (Fe), % 70.7 to 77.9
81.8 to 88.5
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 6.0 to 8.0
0 to 1.0
Nitrogen (N), % 0.070 to 0.2
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.5
Sulfur (S), % 0 to 0.030
0 to 0.040