MakeItFrom.com
Menu (ESC)

S40975 Stainless Steel vs. S44535 Stainless Steel

Both S40975 stainless steel and S44535 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 S40975 stainless steel and the bottom bar is S44535 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
170
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 22
28
Fatigue Strength, MPa 210
210
Poisson's Ratio 0.28
0.27
Rockwell B Hardness 81
77
Shear Modulus, GPa 75
78
Shear Strength, MPa 290
290
Tensile Strength: Ultimate (UTS), MPa 460
450
Tensile Strength: Yield (Proof), MPa 310
290

Thermal Properties

Latent Heat of Fusion, J/g 270
290
Maximum Temperature: Corrosion, °C 450
450
Maximum Temperature: Mechanical, °C 710
1000
Melting Completion (Liquidus), °C 1450
1430
Melting Onset (Solidus), °C 1400
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 26
21
Thermal Expansion, µm/m-K 10
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.6
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
3.1

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
11
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 2.0
2.4
Embodied Energy, MJ/kg 28
34
Embodied Water, L/kg 95
140

Common Calculations

PREN (Pitting Resistance) 11
22
Resilience: Ultimate (Unit Rupture Work), MJ/m3 93
110
Resilience: Unit (Modulus of Resilience), kJ/m3 250
200
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 17
16
Strength to Weight: Bending, points 17
17
Thermal Diffusivity, mm2/s 7.0
5.6
Thermal Shock Resistance, points 17
15

Alloy Composition

Aluminum (Al), % 0
0 to 0.5
Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 10.5 to 11.7
20 to 24
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 84.4 to 89
73.2 to 79.6
Lanthanum (La), % 0
0.040 to 0.2
Manganese (Mn), % 0 to 1.0
0.3 to 0.8
Nickel (Ni), % 0.5 to 1.0
0
Nitrogen (N), % 0 to 0.030
0
Phosphorus (P), % 0 to 0.040
0 to 0.050
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.020
Titanium (Ti), % 0 to 0.75
0.030 to 0.2