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AISI 314 Stainless Steel vs. ASTM A204 Steel

Both AISI 314 stainless steel and ASTM A204 steel are iron alloys. There are 31 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 314 stainless steel and the bottom bar is ASTM A204 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
160 to 180
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 45
18 to 22
Fatigue Strength, MPa 210
200 to 220
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
73
Shear Strength, MPa 410
330 to 360
Tensile Strength: Ultimate (UTS), MPa 590
520 to 590
Tensile Strength: Yield (Proof), MPa 230
290 to 330

Thermal Properties

Latent Heat of Fusion, J/g 330
250
Maximum Temperature: Mechanical, °C 1100
410
Melting Completion (Liquidus), °C 1380
1470
Melting Onset (Solidus), °C 1340
1420 to 1430
Specific Heat Capacity, J/kg-K 490
470
Thermal Conductivity, W/m-K 15
52
Thermal Expansion, µm/m-K 15
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 25
2.4
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 4.3
1.5
Embodied Energy, MJ/kg 62
20
Embodied Water, L/kg 190
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
90 to 95
Resilience: Unit (Modulus of Resilience), kJ/m3 130
220 to 290
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21
18 to 21
Strength to Weight: Bending, points 20
18 to 20
Thermal Diffusivity, mm2/s 3.9
14
Thermal Shock Resistance, points 14
15 to 17