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AISI 201LN Stainless Steel vs. ASTM A182 Grade F12 Class 2

Both AISI 201LN stainless steel and ASTM A182 grade F12 class 2 are iron alloys. They have 73% 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 201LN stainless steel and the bottom bar is ASTM A182 grade F12 class 2.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 320
180
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 25 to 51
22
Fatigue Strength, MPa 340 to 540
220
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 530 to 680
340
Tensile Strength: Ultimate (UTS), MPa 740 to 1060
540
Tensile Strength: Yield (Proof), MPa 350 to 770
310

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 880
430
Melting Completion (Liquidus), °C 1410
1460
Melting Onset (Solidus), °C 1370
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
43
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 12
2.8
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.6
1.6
Embodied Energy, MJ/kg 38
21
Embodied Water, L/kg 140
52

Common Calculations

PREN (Pitting Resistance) 20
2.8
Resilience: Ultimate (Unit Rupture Work), MJ/m3 230 to 310
100
Resilience: Unit (Modulus of Resilience), kJ/m3 310 to 1520
260
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 27 to 38
19
Strength to Weight: Bending, points 24 to 30
19
Thermal Diffusivity, mm2/s 4.0
12
Thermal Shock Resistance, points 16 to 23
16

Alloy Composition

Carbon (C), % 0 to 0.030
0.1 to 0.2
Chromium (Cr), % 16 to 17.5
0.8 to 1.3
Copper (Cu), % 0 to 1.0
0
Iron (Fe), % 67.9 to 73.5
96.4 to 98.3
Manganese (Mn), % 6.4 to 7.5
0.3 to 0.8
Molybdenum (Mo), % 0
0.44 to 0.65
Nickel (Ni), % 4.0 to 5.0
0
Nitrogen (N), % 0.1 to 0.25
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 0.75
0.1 to 0.6
Sulfur (S), % 0 to 0.015
0 to 0.040