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SAE-AISI 4028 Steel vs. AISI 316H Stainless Steel

Both SAE-AISI 4028 steel and AISI 316H stainless steel are iron alloys. They have 68% 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 SAE-AISI 4028 steel and the bottom bar is AISI 316H stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150 to 190
190
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 14 to 23
40
Fatigue Strength, MPa 180 to 330
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
78
Shear Strength, MPa 310 to 380
400
Tensile Strength: Ultimate (UTS), MPa 490 to 630
580
Tensile Strength: Yield (Proof), MPa 260 to 520
230

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 400
940
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 49
16
Thermal Expansion, µm/m-K 12
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
19
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.5
3.9
Embodied Energy, MJ/kg 19
53
Embodied Water, L/kg 47
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 81 to 95
190
Resilience: Unit (Modulus of Resilience), kJ/m3 180 to 720
130
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 17 to 22
21
Strength to Weight: Bending, points 18 to 21
20
Thermal Diffusivity, mm2/s 13
4.2
Thermal Shock Resistance, points 16 to 20
13

Alloy Composition

Carbon (C), % 0.25 to 0.3
0.040 to 0.1
Chromium (Cr), % 0
16 to 18
Iron (Fe), % 98.1 to 98.7
62.1 to 72
Manganese (Mn), % 0.7 to 0.9
0 to 2.0
Molybdenum (Mo), % 0.2 to 0.3
2.0 to 3.0
Nickel (Ni), % 0
10 to 14
Phosphorus (P), % 0 to 0.035
0 to 0.045
Silicon (Si), % 0.15 to 0.35
0 to 0.75
Sulfur (S), % 0.035 to 0.050
0 to 0.030