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AISI 317 Stainless Steel vs. ASTM A414 Steel

Both AISI 317 stainless steel and ASTM A414 steel are iron alloys. 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 317 stainless steel and the bottom bar is ASTM A414 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 220
110 to 180
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 35 to 55
15 to 26
Fatigue Strength, MPa 250 to 330
140 to 260
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 79
73
Shear Strength, MPa 420 to 470
230 to 370
Tensile Strength: Ultimate (UTS), MPa 580 to 710
360 to 590
Tensile Strength: Yield (Proof), MPa 250 to 420
190 to 350

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 590
400
Melting Completion (Liquidus), °C 1400
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 15
49 to 50
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
7.2 to 7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
8.3 to 8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 21
2.2
Density, g/cm3 7.9
7.8 to 7.9
Embodied Carbon, kg CO2/kg material 4.3
1.5 to 1.6
Embodied Energy, MJ/kg 59
20 to 22
Embodied Water, L/kg 160
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 210 to 260
69 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 150 to 430
100 to 330
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 20 to 25
13 to 21
Strength to Weight: Bending, points 20 to 22
14 to 20
Thermal Diffusivity, mm2/s 4.1
13
Thermal Shock Resistance, points 12 to 15
11 to 17