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S38100 Stainless Steel vs. S44535 Stainless Steel

Both S38100 stainless steel and S44535 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 80% of their average alloy composition in common.

For each property being compared, the top bar is S38100 stainless steel and the bottom bar is S44535 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
170
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 45
28
Fatigue Strength, MPa 210
210
Poisson's Ratio 0.28
0.27
Rockwell B Hardness 84
77
Shear Modulus, GPa 76
78
Shear Strength, MPa 400
290
Tensile Strength: Ultimate (UTS), MPa 580
450
Tensile Strength: Yield (Proof), MPa 230
290

Thermal Properties

Latent Heat of Fusion, J/g 320
290
Maximum Temperature: Corrosion, °C 410
450
Maximum Temperature: Mechanical, °C 970
1000
Melting Completion (Liquidus), °C 1400
1430
Melting Onset (Solidus), °C 1350
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
21
Thermal Expansion, µm/m-K 16
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
3.1

Otherwise Unclassified Properties

Base Metal Price, % relative 20
11
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 3.8
2.4
Embodied Energy, MJ/kg 54
34
Embodied Water, L/kg 160
140

Common Calculations

PREN (Pitting Resistance) 18
22
Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
110
Resilience: Unit (Modulus of Resilience), kJ/m3 140
200
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21
16
Strength to Weight: Bending, points 20
17
Thermal Diffusivity, mm2/s 4.0
5.6
Thermal Shock Resistance, points 13
15

Alloy Composition

Aluminum (Al), % 0
0 to 0.5
Carbon (C), % 0 to 0.080
0 to 0.030
Chromium (Cr), % 17 to 19
20 to 24
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 57.9 to 64
73.2 to 79.6
Lanthanum (La), % 0
0.040 to 0.2
Manganese (Mn), % 0 to 2.0
0.3 to 0.8
Nickel (Ni), % 17.5 to 18.5
0
Phosphorus (P), % 0 to 0.030
0 to 0.050
Silicon (Si), % 1.5 to 2.5
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.020
Titanium (Ti), % 0
0.030 to 0.2