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AISI 312 Stainless Steel vs. ASTM A414 Steel

Both AISI 312 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 (4, in this case) are not shown.

For each property being compared, the top bar is AISI 312 stainless steel and the bottom bar is ASTM A414 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
110 to 180
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 28
15 to 26
Fatigue Strength, MPa 370
140 to 260
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 80
73
Shear Strength, MPa 510
230 to 370
Tensile Strength: Ultimate (UTS), MPa 780
360 to 590
Tensile Strength: Yield (Proof), MPa 510
190 to 350

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
400
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1390
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 16
49 to 50
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
7.2 to 7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.3 to 8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 17
2.2
Density, g/cm3 7.7
7.8 to 7.9
Embodied Carbon, kg CO2/kg material 3.4
1.5 to 1.6
Embodied Energy, MJ/kg 48
20 to 22
Embodied Water, L/kg 170
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
69 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 640
100 to 330
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 28
13 to 21
Strength to Weight: Bending, points 24
14 to 20
Thermal Diffusivity, mm2/s 4.3
13
Thermal Shock Resistance, points 21
11 to 17