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AISI 316N Stainless Steel vs. SAE-AISI 94B30 Steel

Both AISI 316N stainless steel and SAE-AISI 94B30 steel are iron alloys. They have 69% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is AISI 316N stainless steel and the bottom bar is SAE-AISI 94B30 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 350
150
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 9.0 to 39
25
Fatigue Strength, MPa 230 to 450
220
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
73
Shear Strength, MPa 420 to 690
320
Tensile Strength: Ultimate (UTS), MPa 620 to 1160
500
Tensile Strength: Yield (Proof), MPa 270 to 870
300

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 940
410
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 15
39
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 19
2.4
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 3.9
1.5
Embodied Energy, MJ/kg 53
20
Embodied Water, L/kg 150
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 95 to 230
110
Resilience: Unit (Modulus of Resilience), kJ/m3 180 to 1880
250
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22 to 41
18
Strength to Weight: Bending, points 20 to 31
18
Thermal Diffusivity, mm2/s 4.1
10
Thermal Shock Resistance, points 14 to 26
15

Alloy Composition

Boron (B), % 0
0.00050 to 0.0030
Carbon (C), % 0 to 0.080
0.28 to 0.33
Chromium (Cr), % 16 to 18
0.3 to 0.5
Iron (Fe), % 61.9 to 71.9
97 to 98.1
Manganese (Mn), % 0 to 2.0
0.75 to 1.0
Molybdenum (Mo), % 2.0 to 3.0
0.080 to 0.15
Nickel (Ni), % 10 to 14
0.3 to 0.6
Nitrogen (N), % 0.1 to 0.16
0
Phosphorus (P), % 0 to 0.045
0 to 0.035
Silicon (Si), % 0 to 0.75
0.15 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.040