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Annealed AISI 204 vs. Annealed AISI 316L

Both annealed AISI 204 and annealed AISI 316L are iron alloys. Both are furnished in the annealed condition. They have 87% of their average alloy composition in common. There are 34 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 annealed AISI 204 and the bottom bar is annealed AISI 316L.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
190
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 39
42
Fatigue Strength, MPa 320
170
Poisson's Ratio 0.28
0.28
Rockwell B Hardness 88
80
Shear Modulus, GPa 77
78
Shear Strength, MPa 500
370
Tensile Strength: Ultimate (UTS), MPa 730
530
Tensile Strength: Yield (Proof), MPa 380
190

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Corrosion, °C 410
410
Maximum Temperature: Mechanical, °C 850
870
Melting Completion (Liquidus), °C 1410
1400
Melting Onset (Solidus), °C 1370
1380
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 17
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 10
19
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.4
3.9
Embodied Energy, MJ/kg 35
53
Embodied Water, L/kg 130
150

Common Calculations

PREN (Pitting Resistance) 20
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
180
Resilience: Unit (Modulus of Resilience), kJ/m3 360
93
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27
19
Strength to Weight: Bending, points 24
18
Thermal Diffusivity, mm2/s 4.1
4.1
Thermal Shock Resistance, points 16
12

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 15 to 17
16 to 18
Iron (Fe), % 69.6 to 76.4
62 to 72
Manganese (Mn), % 7.0 to 9.0
0 to 2.0
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 1.5 to 3.0
10 to 14
Nitrogen (N), % 0.15 to 0.3
0 to 0.1
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.030