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S20433 Stainless Steel vs. S44536 Stainless Steel

Both S20433 stainless steel and S44536 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 87% of their average alloy composition in common.

For each property being compared, the top bar is S20433 stainless steel and the bottom bar is S44536 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
170
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 46
22
Fatigue Strength, MPa 250
190
Poisson's Ratio 0.28
0.27
Rockwell B Hardness 82
79
Shear Modulus, GPa 76
78
Shear Strength, MPa 440
290
Tensile Strength: Ultimate (UTS), MPa 630
460
Tensile Strength: Yield (Proof), MPa 270
280

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Corrosion, °C 410
560
Maximum Temperature: Mechanical, °C 900
990
Melting Completion (Liquidus), °C 1400
1440
Melting Onset (Solidus), °C 1360
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
21
Thermal Expansion, µm/m-K 17
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 13
13
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.7
2.8
Embodied Energy, MJ/kg 39
41
Embodied Water, L/kg 150
140

Common Calculations

PREN (Pitting Resistance) 20
22
Resilience: Ultimate (Unit Rupture Work), MJ/m3 230
89
Resilience: Unit (Modulus of Resilience), kJ/m3 180
200
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 23
17
Strength to Weight: Bending, points 21
17
Thermal Diffusivity, mm2/s 4.0
5.6
Thermal Shock Resistance, points 14
16

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.015
Chromium (Cr), % 17 to 18
20 to 23
Copper (Cu), % 1.5 to 3.5
0
Iron (Fe), % 64.1 to 72.4
72.8 to 80
Manganese (Mn), % 5.5 to 7.5
0 to 1.0
Nickel (Ni), % 3.5 to 5.5
0 to 0.5
Niobium (Nb), % 0
0.050 to 0.8
Nitrogen (N), % 0.1 to 0.25
0 to 0.015
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Titanium (Ti), % 0
0 to 0.8