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AISI 434 Stainless Steel vs. SAE-AISI 1019 Steel

Both AISI 434 stainless steel and SAE-AISI 1019 steel are iron alloys. They have 82% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is AISI 434 stainless steel and the bottom bar is SAE-AISI 1019 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
130 to 140
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 24
17 to 29
Fatigue Strength, MPa 220
190 to 290
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
73
Shear Strength, MPa 330
300 to 320
Tensile Strength: Ultimate (UTS), MPa 520
470 to 520
Tensile Strength: Yield (Proof), MPa 320
250 to 430

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 880
400
Melting Completion (Liquidus), °C 1510
1460
Melting Onset (Solidus), °C 1430
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 25
52
Thermal Expansion, µm/m-K 10
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
1.8
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.4
1.4
Embodied Energy, MJ/kg 33
18
Embodied Water, L/kg 120
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
82 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 260
160 to 500
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 19
17 to 18
Strength to Weight: Bending, points 18
17 to 18
Thermal Diffusivity, mm2/s 6.7
14
Thermal Shock Resistance, points 19
15 to 16

Alloy Composition

Carbon (C), % 0 to 0.12
0.15 to 0.2
Chromium (Cr), % 16 to 18
0
Iron (Fe), % 78.6 to 83.3
98.7 to 99.15
Manganese (Mn), % 0 to 1.0
0.7 to 1.0
Molybdenum (Mo), % 0.75 to 1.3
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0 to 0.050