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S44330 Stainless Steel vs. SAE-AISI 1151 Steel

Both S44330 stainless steel and SAE-AISI 1151 steel are iron alloys. They have 77% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is S44330 stainless steel and the bottom bar is SAE-AISI 1151 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
210 to 220
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 25
11 to 17
Fatigue Strength, MPa 160
260 to 410
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 78
72
Shear Strength, MPa 280
430 to 480
Tensile Strength: Ultimate (UTS), MPa 440
710 to 800
Tensile Strength: Yield (Proof), MPa 230
390 to 660

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 990
400
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1390
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 21
51
Thermal Expansion, µm/m-K 10
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.7
10
Electrical Conductivity: Equal Weight (Specific), % IACS 3.1
12

Otherwise Unclassified Properties

Base Metal Price, % relative 13
1.8
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.8
1.4
Embodied Energy, MJ/kg 40
18
Embodied Water, L/kg 140
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 91
86 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 140
400 to 1170
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 16
25 to 28
Strength to Weight: Bending, points 17
22 to 24
Thermal Diffusivity, mm2/s 5.7
14
Thermal Shock Resistance, points 16
22 to 25

Alloy Composition

Carbon (C), % 0 to 0.025
0.48 to 0.55
Chromium (Cr), % 20 to 23
0
Copper (Cu), % 0.3 to 0.8
0
Iron (Fe), % 72.5 to 79.7
98.3 to 98.7
Manganese (Mn), % 0 to 1.0
0.7 to 1.0
Niobium (Nb), % 0 to 0.8
0
Nitrogen (N), % 0 to 0.025
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0.080 to 0.13
Titanium (Ti), % 0 to 0.8
0