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AISI 201LN Stainless Steel vs. ACI-ASTM CG6MMN Steel

Both AISI 201LN stainless steel and ACI-ASTM CG6MMN steel are iron alloys. They have 84% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is AISI 201LN stainless steel and the bottom bar is ACI-ASTM CG6MMN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 320
190
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 25 to 51
34
Fatigue Strength, MPa 340 to 540
260
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
79
Tensile Strength: Ultimate (UTS), MPa 740 to 1060
670
Tensile Strength: Yield (Proof), MPa 350 to 770
320

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Corrosion, °C 410
460
Maximum Temperature: Mechanical, °C 880
1080
Melting Completion (Liquidus), °C 1410
1420
Melting Onset (Solidus), °C 1370
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 17
17

Otherwise Unclassified Properties

Base Metal Price, % relative 12
22
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.6
4.8
Embodied Energy, MJ/kg 38
68
Embodied Water, L/kg 140
180

Common Calculations

PREN (Pitting Resistance) 20
34
Resilience: Ultimate (Unit Rupture Work), MJ/m3 230 to 310
190
Resilience: Unit (Modulus of Resilience), kJ/m3 310 to 1520
260
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27 to 38
24
Strength to Weight: Bending, points 24 to 30
22
Thermal Shock Resistance, points 16 to 23
14

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.060
Chromium (Cr), % 16 to 17.5
20.5 to 23.5
Copper (Cu), % 0 to 1.0
0
Iron (Fe), % 67.9 to 73.5
51.9 to 62.1
Manganese (Mn), % 6.4 to 7.5
4.0 to 6.0
Molybdenum (Mo), % 0
1.5 to 3.0
Nickel (Ni), % 4.0 to 5.0
11.5 to 13.5
Niobium (Nb), % 0
0.1 to 0.3
Nitrogen (N), % 0.1 to 0.25
0.2 to 0.4
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 0.75
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030
Vanadium (V), % 0
0.1 to 0.3