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S44735 Stainless Steel vs. AISI 301 Stainless Steel

Both S44735 stainless steel and AISI 301 stainless steel are iron alloys. They have 83% 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 S44735 stainless steel and the bottom bar is AISI 301 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
190 to 440
Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 21
7.4 to 46
Fatigue Strength, MPa 300
210 to 600
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 82
77
Shear Strength, MPa 390
410 to 860
Tensile Strength: Ultimate (UTS), MPa 630
590 to 1460
Tensile Strength: Yield (Proof), MPa 460
230 to 1080

Thermal Properties

Latent Heat of Fusion, J/g 310
280
Maximum Temperature: Corrosion, °C 650
410
Maximum Temperature: Mechanical, °C 1100
840
Melting Completion (Liquidus), °C 1460
1420
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 11
17

Otherwise Unclassified Properties

Base Metal Price, % relative 21
13
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 4.4
2.7
Embodied Energy, MJ/kg 61
39
Embodied Water, L/kg 180
130

Common Calculations

PREN (Pitting Resistance) 42
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
99 to 300
Resilience: Unit (Modulus of Resilience), kJ/m3 520
130 to 2970
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 26
25
Strength to Weight: Axial, points 23
21 to 52
Strength to Weight: Bending, points 21
20 to 37
Thermal Shock Resistance, points 20
12 to 31

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.15
Chromium (Cr), % 28 to 30
16 to 18
Iron (Fe), % 60.7 to 68.4
70.7 to 78
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 3.6 to 4.2
0
Nickel (Ni), % 0 to 1.0
6.0 to 8.0
Niobium (Nb), % 0.2 to 1.0
0
Nitrogen (N), % 0 to 0.045
0 to 0.1
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Titanium (Ti), % 0.2 to 1.0
0