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S44537 Stainless Steel vs. S44536 Stainless Steel

Both S44537 stainless steel and S44536 stainless steel are iron alloys. Both are furnished in the annealed condition. They have a very high 97% of their average alloy composition in common.

For each property being compared, the top bar is S44537 stainless steel and the bottom bar is S44536 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
170
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 21
22
Fatigue Strength, MPa 230
190
Poisson's Ratio 0.27
0.27
Rockwell B Hardness 80
79
Shear Modulus, GPa 79
78
Shear Strength, MPa 320
290
Tensile Strength: Ultimate (UTS), MPa 510
460
Tensile Strength: Yield (Proof), MPa 360
280

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 530
560
Maximum Temperature: Mechanical, °C 1000
990
Melting Completion (Liquidus), °C 1480
1440
Melting Onset (Solidus), °C 1430
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 21
21
Thermal Expansion, µm/m-K 11
11

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 19
13
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 3.4
2.8
Embodied Energy, MJ/kg 50
41
Embodied Water, L/kg 140
140

Common Calculations

PREN (Pitting Resistance) 26
22
Resilience: Ultimate (Unit Rupture Work), MJ/m3 95
89
Resilience: Unit (Modulus of Resilience), kJ/m3 320
200
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 18
17
Strength to Weight: Bending, points 18
17
Thermal Diffusivity, mm2/s 5.6
5.6
Thermal Shock Resistance, points 17
16

Alloy Composition

Aluminum (Al), % 0 to 0.1
0
Carbon (C), % 0 to 0.030
0 to 0.015
Chromium (Cr), % 20 to 24
20 to 23
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 69 to 78.6
72.8 to 80
Lanthanum (La), % 0.040 to 0.2
0
Manganese (Mn), % 0 to 0.8
0 to 1.0
Nickel (Ni), % 0 to 0.5
0 to 0.5
Niobium (Nb), % 0.2 to 1.0
0.050 to 0.8
Nitrogen (N), % 0 to 0.040
0 to 0.015
Phosphorus (P), % 0 to 0.050
0 to 0.040
Silicon (Si), % 0.1 to 0.6
0 to 1.0
Sulfur (S), % 0 to 0.0060
0 to 0.030
Titanium (Ti), % 0.020 to 0.2
0 to 0.8
Tungsten (W), % 1.0 to 3.0
0