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S44535 Stainless Steel vs. S40910 Stainless Steel

Both S44535 stainless steel and S40910 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 88% of their average alloy composition in common.

For each property being compared, the top bar is S44535 stainless steel and the bottom bar is S40910 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
160
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 28
23
Fatigue Strength, MPa 210
130
Poisson's Ratio 0.27
0.28
Rockwell B Hardness 77
76
Shear Modulus, GPa 78
75
Shear Strength, MPa 290
270
Tensile Strength: Ultimate (UTS), MPa 450
430
Tensile Strength: Yield (Proof), MPa 290
190

Thermal Properties

Latent Heat of Fusion, J/g 290
270
Maximum Temperature: Corrosion, °C 450
440
Maximum Temperature: Mechanical, °C 1000
710
Melting Completion (Liquidus), °C 1430
1450
Melting Onset (Solidus), °C 1390
1410
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 21
26
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
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 11
7.0
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.4
2.0
Embodied Energy, MJ/kg 34
28
Embodied Water, L/kg 140
94

Common Calculations

PREN (Pitting Resistance) 22
11
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
80
Resilience: Unit (Modulus of Resilience), kJ/m3 200
94
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 16
16
Strength to Weight: Bending, points 17
16
Thermal Diffusivity, mm2/s 5.6
6.9
Thermal Shock Resistance, points 15
16

Alloy Composition

Aluminum (Al), % 0 to 0.5
0
Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 20 to 24
10.5 to 11.7
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 73.2 to 79.6
85 to 89.5
Lanthanum (La), % 0.040 to 0.2
0
Manganese (Mn), % 0.3 to 0.8
0 to 1.0
Nickel (Ni), % 0
0 to 0.5
Niobium (Nb), % 0
0 to 0.17
Nitrogen (N), % 0
0 to 0.030
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 0.020
Titanium (Ti), % 0.030 to 0.2
0 to 0.5