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ASTM A369 Grade FP12 vs. AISI 201LN Stainless Steel

Both ASTM A369 grade FP12 and AISI 201LN stainless steel are iron alloys. They have 72% 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 ASTM A369 grade FP12 and the bottom bar is AISI 201LN stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
210 to 320
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 20
25 to 51
Fatigue Strength, MPa 170
340 to 540
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Shear Strength, MPa 300
530 to 680
Tensile Strength: Ultimate (UTS), MPa 470
740 to 1060
Tensile Strength: Yield (Proof), MPa 250
350 to 770

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 430
880
Melting Completion (Liquidus), °C 1470
1410
Melting Onset (Solidus), °C 1430
1370
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 45
15
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 2.8
12
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 1.6
2.6
Embodied Energy, MJ/kg 21
38
Embodied Water, L/kg 52
140

Common Calculations

PREN (Pitting Resistance) 2.8
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 81
230 to 310
Resilience: Unit (Modulus of Resilience), kJ/m3 160
310 to 1520
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 17
27 to 38
Strength to Weight: Bending, points 17
24 to 30
Thermal Diffusivity, mm2/s 12
4.0
Thermal Shock Resistance, points 14
16 to 23

Alloy Composition

Carbon (C), % 0.050 to 0.15
0 to 0.030
Chromium (Cr), % 0.8 to 1.3
16 to 17.5
Copper (Cu), % 0
0 to 1.0
Iron (Fe), % 96.8 to 98.4
67.9 to 73.5
Manganese (Mn), % 0.3 to 0.61
6.4 to 7.5
Molybdenum (Mo), % 0.44 to 0.65
0
Nickel (Ni), % 0
4.0 to 5.0
Nitrogen (N), % 0
0.1 to 0.25
Phosphorus (P), % 0 to 0.025
0 to 0.045
Silicon (Si), % 0 to 0.5
0 to 0.75
Sulfur (S), % 0 to 0.025
0 to 0.015