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S44535 Stainless Steel vs. S43037 Stainless Steel

Both S44535 stainless steel and S43037 stainless steel are iron alloys. Both are furnished in the annealed condition. They have a moderately high 95% of their average alloy composition in common.

For each property being compared, the top bar is S44535 stainless steel and the bottom bar is S43037 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
160
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 28
25
Fatigue Strength, MPa 210
160
Poisson's Ratio 0.27
0.28
Rockwell B Hardness 77
77
Shear Modulus, GPa 78
77
Shear Strength, MPa 290
260
Tensile Strength: Ultimate (UTS), MPa 450
410
Tensile Strength: Yield (Proof), MPa 290
230

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Corrosion, °C 450
510
Maximum Temperature: Mechanical, °C 1000
880
Melting Completion (Liquidus), °C 1430
1440
Melting Onset (Solidus), °C 1390
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 21
25
Thermal Expansion, µm/m-K 11
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.6
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 3.1
3.4

Otherwise Unclassified Properties

Base Metal Price, % relative 11
9.0
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.4
2.3
Embodied Energy, MJ/kg 34
32
Embodied Water, L/kg 140
120

Common Calculations

PREN (Pitting Resistance) 22
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
88
Resilience: Unit (Modulus of Resilience), kJ/m3 200
130
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 16
15
Strength to Weight: Bending, points 17
16
Thermal Diffusivity, mm2/s 5.6
6.7
Thermal Shock Resistance, points 15
14

Alloy Composition

Aluminum (Al), % 0 to 0.5
0
Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 20 to 24
16 to 19
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 73.2 to 79.6
77.9 to 83.9
Lanthanum (La), % 0.040 to 0.2
0
Manganese (Mn), % 0.3 to 0.8
0 to 1.0
Phosphorus (P), % 0 to 0.050
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.030
Titanium (Ti), % 0.030 to 0.2
0.1 to 1.0