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AISI 321H Stainless Steel vs. SAE-AISI 1005 Steel

Both AISI 321H stainless steel and SAE-AISI 1005 steel are iron alloys. They have 70% 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 321H stainless steel and the bottom bar is SAE-AISI 1005 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
95
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 40
23
Fatigue Strength, MPa 200
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 400
210
Tensile Strength: Ultimate (UTS), MPa 580
330
Tensile Strength: Yield (Proof), MPa 230
260

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 940
400
Melting Completion (Liquidus), °C 1430
1470
Melting Onset (Solidus), °C 1380
1430
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
53
Thermal Expansion, µm/m-K 17
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
6.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
7.9

Otherwise Unclassified Properties

Base Metal Price, % relative 16
1.8
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.2
1.4
Embodied Energy, MJ/kg 46
18
Embodied Water, L/kg 140
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
70
Resilience: Unit (Modulus of Resilience), kJ/m3 140
180
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21
12
Strength to Weight: Bending, points 20
13
Thermal Diffusivity, mm2/s 4.0
14
Thermal Shock Resistance, points 12
10

Alloy Composition

Carbon (C), % 0.040 to 0.1
0 to 0.060
Chromium (Cr), % 17 to 19
0
Iron (Fe), % 65.4 to 74
99.5 to 100
Manganese (Mn), % 0 to 2.0
0 to 0.35
Nickel (Ni), % 9.0 to 12
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 0.75
0
Sulfur (S), % 0 to 0.030
0 to 0.050
Titanium (Ti), % 0 to 0.7
0