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S44725 Stainless Steel vs. S34565 Stainless Steel

Both S44725 stainless steel and S34565 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 74% of their average alloy composition in common. There are 34 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is S44725 stainless steel and the bottom bar is S34565 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
200
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 22
39
Fatigue Strength, MPa 210
400
Poisson's Ratio 0.27
0.28
Rockwell B Hardness 84
88
Shear Modulus, GPa 81
80
Shear Strength, MPa 320
610
Tensile Strength: Ultimate (UTS), MPa 500
900
Tensile Strength: Yield (Proof), MPa 310
470

Thermal Properties

Latent Heat of Fusion, J/g 290
310
Maximum Temperature: Corrosion, °C 500
450
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1450
1420
Melting Onset (Solidus), °C 1410
1380
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 17
12
Thermal Expansion, µm/m-K 11
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
2.1

Otherwise Unclassified Properties

Base Metal Price, % relative 15
28
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 3.1
5.3
Embodied Energy, MJ/kg 44
73
Embodied Water, L/kg 170
210

Common Calculations

PREN (Pitting Resistance) 33
47
Resilience: Ultimate (Unit Rupture Work), MJ/m3 99
300
Resilience: Unit (Modulus of Resilience), kJ/m3 240
540
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 18
32
Strength to Weight: Bending, points 18
26
Thermal Diffusivity, mm2/s 4.6
3.2
Thermal Shock Resistance, points 16
22

Alloy Composition

Carbon (C), % 0 to 0.015
0 to 0.030
Chromium (Cr), % 25 to 28.5
23 to 25
Iron (Fe), % 67.6 to 73.5
43.2 to 51.6
Manganese (Mn), % 0 to 0.4
5.0 to 7.0
Molybdenum (Mo), % 1.5 to 2.5
4.0 to 5.0
Nickel (Ni), % 0 to 0.3
16 to 18
Niobium (Nb), % 0 to 0.26
0 to 0.1
Nitrogen (N), % 0 to 0.018
0.4 to 0.6
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 0.040
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.010
Titanium (Ti), % 0 to 0.26
0