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ACI-ASTM CG12 Steel vs. AISI 201LN Stainless Steel

Both ACI-ASTM CG12 steel and AISI 201LN stainless steel are iron alloys. They have 88% 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 ACI-ASTM CG12 steel and the bottom bar is AISI 201LN stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
210 to 320
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 40
25 to 51
Fatigue Strength, MPa 190
340 to 540
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
77
Tensile Strength: Ultimate (UTS), MPa 550
740 to 1060
Tensile Strength: Yield (Proof), MPa 220
350 to 770

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Maximum Temperature: Corrosion, °C 430
410
Maximum Temperature: Mechanical, °C 1040
880
Melting Completion (Liquidus), °C 1410
1410
Melting Onset (Solidus), °C 1370
1370
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 16
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 18
12
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 3.3
2.6
Embodied Energy, MJ/kg 48
38
Embodied Water, L/kg 160
140

Common Calculations

PREN (Pitting Resistance) 22
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
230 to 310
Resilience: Unit (Modulus of Resilience), kJ/m3 120
310 to 1520
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 20
27 to 38
Strength to Weight: Bending, points 19
24 to 30
Thermal Diffusivity, mm2/s 4.0
4.0
Thermal Shock Resistance, points 12
16 to 23

Alloy Composition

Carbon (C), % 0 to 0.12
0 to 0.030
Chromium (Cr), % 20 to 23
16 to 17.5
Copper (Cu), % 0
0 to 1.0
Iron (Fe), % 60.3 to 70
67.9 to 73.5
Manganese (Mn), % 0 to 1.5
6.4 to 7.5
Nickel (Ni), % 10 to 13
4.0 to 5.0
Nitrogen (N), % 0
0.1 to 0.25
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 2.0
0 to 0.75
Sulfur (S), % 0 to 0.040
0 to 0.015