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Half-hard AISI 205 vs. Half-hard AISI 304L

Both half-hard AISI 205 and half-hard AISI 304L are iron alloys. Both are furnished in the half-hard temper. They have 86% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is half-hard AISI 205 and the bottom bar is half-hard AISI 304L.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 350
350
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 20
6.7
Fatigue Strength, MPa 560
430
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Shear Strength, MPa 730
680
Tensile Strength: Ultimate (UTS), MPa 1160
1160
Tensile Strength: Yield (Proof), MPa 870
870

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Corrosion, °C 410
420
Maximum Temperature: Mechanical, °C 880
540
Melting Completion (Liquidus), °C 1380
1450
Melting Onset (Solidus), °C 1340
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 18
17

Otherwise Unclassified Properties

Base Metal Price, % relative 11
16
Density, g/cm3 7.6
7.8
Embodied Carbon, kg CO2/kg material 2.6
3.1
Embodied Energy, MJ/kg 37
44
Embodied Water, L/kg 150
150

Common Calculations

PREN (Pitting Resistance) 23
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
71
Resilience: Unit (Modulus of Resilience), kJ/m3 1900
1900
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 26
25
Strength to Weight: Axial, points 42
41
Strength to Weight: Bending, points 32
31
Thermal Shock Resistance, points 24
25

Alloy Composition

Carbon (C), % 0.12 to 0.25
0 to 0.030
Chromium (Cr), % 16.5 to 18.5
18 to 20
Iron (Fe), % 62.6 to 68.1
65 to 74
Manganese (Mn), % 14 to 15.5
0 to 2.0
Nickel (Ni), % 1.0 to 1.7
8.0 to 12
Nitrogen (N), % 0.32 to 0.4
0 to 0.1
Phosphorus (P), % 0 to 0.060
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.030