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AISI 304H Stainless Steel vs. SAE-AISI 1080 Steel

Both AISI 304H stainless steel and SAE-AISI 1080 steel are iron alloys. They have 71% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is AISI 304H stainless steel and the bottom bar is SAE-AISI 1080 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
220 to 260
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 40
11
Fatigue Strength, MPa 200
300 to 360
Poisson's Ratio 0.28
0.29
Reduction in Area, % 51
28 to 45
Shear Modulus, GPa 77
72
Shear Strength, MPa 400
460 to 520
Tensile Strength: Ultimate (UTS), MPa 580
770 to 870
Tensile Strength: Yield (Proof), MPa 230
480 to 590

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 960
400
Melting Completion (Liquidus), °C 1430
1450
Melting Onset (Solidus), °C 1380
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 17
51
Thermal Expansion, µm/m-K 16
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
9.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
11

Otherwise Unclassified Properties

Base Metal Price, % relative 15
1.8
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.0
1.4
Embodied Energy, MJ/kg 43
19
Embodied Water, L/kg 150
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
80 to 84
Resilience: Unit (Modulus of Resilience), kJ/m3 130
610 to 920
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21
27 to 31
Strength to Weight: Bending, points 20
24 to 26
Thermal Diffusivity, mm2/s 4.5
14
Thermal Shock Resistance, points 13
25 to 29

Alloy Composition

Carbon (C), % 0.040 to 0.1
0.75 to 0.88
Chromium (Cr), % 18 to 20
0
Iron (Fe), % 66.6 to 74
98.1 to 98.7
Manganese (Mn), % 0 to 2.0
0.6 to 0.9
Nickel (Ni), % 8.0 to 10.5
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