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S40975 Stainless Steel vs. S44735 Stainless Steel

Both S40975 stainless steel and S44735 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 78% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is S40975 stainless steel and the bottom bar is S44735 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
220
Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 22
21
Fatigue Strength, MPa 210
300
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 75
82
Shear Strength, MPa 290
390
Tensile Strength: Ultimate (UTS), MPa 460
630
Tensile Strength: Yield (Proof), MPa 310
460

Thermal Properties

Latent Heat of Fusion, J/g 270
310
Maximum Temperature: Corrosion, °C 450
650
Maximum Temperature: Mechanical, °C 710
1100
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 10
11

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
21
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 2.0
4.4
Embodied Energy, MJ/kg 28
61
Embodied Water, L/kg 95
180

Common Calculations

PREN (Pitting Resistance) 11
42
Resilience: Ultimate (Unit Rupture Work), MJ/m3 93
120
Resilience: Unit (Modulus of Resilience), kJ/m3 250
520
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
26
Strength to Weight: Axial, points 17
23
Strength to Weight: Bending, points 17
21
Thermal Shock Resistance, points 17
20

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 10.5 to 11.7
28 to 30
Iron (Fe), % 84.4 to 89
60.7 to 68.4
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 0
3.6 to 4.2
Nickel (Ni), % 0.5 to 1.0
0 to 1.0
Niobium (Nb), % 0
0.2 to 1.0
Nitrogen (N), % 0 to 0.030
0 to 0.045
Phosphorus (P), % 0 to 0.040
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 to 0.75
0.2 to 1.0