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S44537 Stainless Steel vs. AISI 430F Stainless Steel

Both S44537 stainless steel and AISI 430F stainless steel are iron alloys. Both are furnished in the annealed condition. They have a moderately high 92% of their average alloy composition in common. There are 33 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 S44537 stainless steel and the bottom bar is AISI 430F stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
230
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 21
23
Fatigue Strength, MPa 230
210
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 79
77
Shear Strength, MPa 320
340
Tensile Strength: Ultimate (UTS), MPa 510
540
Tensile Strength: Yield (Proof), MPa 360
310

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Corrosion, °C 530
410
Maximum Temperature: Mechanical, °C 1000
870
Melting Completion (Liquidus), °C 1480
1430
Melting Onset (Solidus), °C 1430
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 21
25
Thermal Expansion, µm/m-K 11
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.6
2.8
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 19
8.5
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 3.4
2.1
Embodied Energy, MJ/kg 50
29
Embodied Water, L/kg 140
120

Common Calculations

PREN (Pitting Resistance) 26
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 95
110
Resilience: Unit (Modulus of Resilience), kJ/m3 320
250
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 18
20
Strength to Weight: Bending, points 18
19
Thermal Diffusivity, mm2/s 5.6
6.7
Thermal Shock Resistance, points 17
19

Alloy Composition

Aluminum (Al), % 0 to 0.1
0
Carbon (C), % 0 to 0.030
0 to 0.12
Chromium (Cr), % 20 to 24
16 to 18
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 69 to 78.6
79.2 to 83.9
Lanthanum (La), % 0.040 to 0.2
0
Manganese (Mn), % 0 to 0.8
0 to 1.3
Nickel (Ni), % 0 to 0.5
0
Niobium (Nb), % 0.2 to 1.0
0
Nitrogen (N), % 0 to 0.040
0
Phosphorus (P), % 0 to 0.050
0 to 0.060
Silicon (Si), % 0.1 to 0.6
0 to 1.0
Sulfur (S), % 0 to 0.0060
0.15 to 0.35
Titanium (Ti), % 0.020 to 0.2
0
Tungsten (W), % 1.0 to 3.0
0