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S44800 Stainless Steel vs. S44735 Stainless Steel

Both S44800 stainless steel and S44735 stainless steel are iron alloys. Both are furnished in the annealed condition. They have a very high 98% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is S44800 stainless steel and the bottom bar is S44735 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
220
Elastic (Young's, Tensile) Modulus, GPa 210
210
Elongation at Break, % 23
21
Fatigue Strength, MPa 300
300
Poisson's Ratio 0.27
0.27
Rockwell C Hardness 18
22
Shear Modulus, GPa 82
82
Shear Strength, MPa 370
390
Tensile Strength: Ultimate (UTS), MPa 590
630
Tensile Strength: Yield (Proof), MPa 450
460

Thermal Properties

Latent Heat of Fusion, J/g 300
310
Maximum Temperature: Corrosion, °C 460
650
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 11
11

Otherwise Unclassified Properties

Base Metal Price, % relative 19
21
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 3.8
4.4
Embodied Energy, MJ/kg 52
61
Embodied Water, L/kg 190
180

Common Calculations

PREN (Pitting Resistance) 42
42
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
120
Resilience: Unit (Modulus of Resilience), kJ/m3 480
520
Stiffness to Weight: Axial, points 15
15
Stiffness to Weight: Bending, points 25
26
Strength to Weight: Axial, points 21
23
Strength to Weight: Bending, points 20
21
Thermal Shock Resistance, points 19
20

Alloy Composition

Carbon (C), % 0 to 0.010
0 to 0.030
Chromium (Cr), % 28 to 30
28 to 30
Copper (Cu), % 0 to 0.15
0
Iron (Fe), % 62.6 to 66.5
60.7 to 68.4
Manganese (Mn), % 0 to 0.3
0 to 1.0
Molybdenum (Mo), % 3.5 to 4.2
3.6 to 4.2
Nickel (Ni), % 2.0 to 2.5
0 to 1.0
Niobium (Nb), % 0
0.2 to 1.0
Nitrogen (N), % 0 to 0.020
0 to 0.045
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.2
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.030
Titanium (Ti), % 0
0.2 to 1.0