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AISI 434 Stainless Steel vs. S44535 Stainless Steel

Both AISI 434 stainless steel and S44535 stainless steel are iron alloys. Both are furnished in the annealed condition. They have a moderately high 94% of their average alloy composition in common. There are 34 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is AISI 434 stainless steel and the bottom bar is S44535 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
170
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 24
28
Fatigue Strength, MPa 220
210
Poisson's Ratio 0.28
0.27
Rockwell B Hardness 77
77
Shear Modulus, GPa 78
78
Shear Strength, MPa 330
290
Tensile Strength: Ultimate (UTS), MPa 520
450
Tensile Strength: Yield (Proof), MPa 320
290

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Corrosion, °C 410
450
Maximum Temperature: Mechanical, °C 880
1000
Melting Completion (Liquidus), °C 1510
1430
Melting Onset (Solidus), °C 1430
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 25
21
Thermal Expansion, µm/m-K 10
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
2.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
3.1

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
11
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.4
2.4
Embodied Energy, MJ/kg 33
34
Embodied Water, L/kg 120
140

Common Calculations

PREN (Pitting Resistance) 20
22
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
110
Resilience: Unit (Modulus of Resilience), kJ/m3 260
200
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 19
16
Strength to Weight: Bending, points 18
17
Thermal Diffusivity, mm2/s 6.7
5.6
Thermal Shock Resistance, points 19
15

Alloy Composition

Aluminum (Al), % 0
0 to 0.5
Carbon (C), % 0 to 0.12
0 to 0.030
Chromium (Cr), % 16 to 18
20 to 24
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 78.6 to 83.3
73.2 to 79.6
Lanthanum (La), % 0
0.040 to 0.2
Manganese (Mn), % 0 to 1.0
0.3 to 0.8
Molybdenum (Mo), % 0.75 to 1.3
0
Phosphorus (P), % 0 to 0.040
0 to 0.050
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.020
Titanium (Ti), % 0
0.030 to 0.2