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AISI 441 Stainless Steel vs. ASTM A182 Grade F1

Both AISI 441 stainless steel and ASTM A182 grade F1 are iron alloys. Both are furnished in the annealed condition. They have 80% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is AISI 441 stainless steel and the bottom bar is ASTM A182 grade F1.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
170
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 23
22
Fatigue Strength, MPa 180
220
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 300
340
Tensile Strength: Ultimate (UTS), MPa 470
540
Tensile Strength: Yield (Proof), MPa 270
310

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 910
410
Melting Completion (Liquidus), °C 1440
1470
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 23
50
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.7
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 3.1
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 13
2.4
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.8
1.5
Embodied Energy, MJ/kg 41
20
Embodied Water, L/kg 130
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 92
100
Resilience: Unit (Modulus of Resilience), kJ/m3 190
260
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 17
19
Strength to Weight: Bending, points 17
19
Thermal Diffusivity, mm2/s 6.1
13
Thermal Shock Resistance, points 16
16

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.28
Chromium (Cr), % 17.5 to 19.5
0
Iron (Fe), % 76 to 82.2
97.7 to 98.8
Manganese (Mn), % 0 to 1.0
0.6 to 0.9
Molybdenum (Mo), % 0
0.44 to 0.65
Nickel (Ni), % 0 to 1.0
0
Niobium (Nb), % 0.3 to 0.9
0
Nitrogen (N), % 0 to 0.030
0
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 1.0
0.15 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.045
Titanium (Ti), % 0.1 to 0.5
0