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S44330 Stainless Steel vs. N08332 Stainless Steel

Both S44330 stainless steel and N08332 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 63% of their average alloy composition in common.

For each property being compared, the top bar is S44330 stainless steel and the bottom bar is N08332 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
170
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 25
34
Fatigue Strength, MPa 160
170
Poisson's Ratio 0.27
0.28
Rockwell B Hardness 79
77
Shear Modulus, GPa 78
76
Shear Strength, MPa 280
350
Tensile Strength: Ultimate (UTS), MPa 440
520
Tensile Strength: Yield (Proof), MPa 230
210

Thermal Properties

Latent Heat of Fusion, J/g 290
310
Maximum Temperature: Corrosion, °C 560
420
Maximum Temperature: Mechanical, °C 990
1050
Melting Completion (Liquidus), °C 1440
1390
Melting Onset (Solidus), °C 1390
1340
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 21
12
Thermal Expansion, µm/m-K 10
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.7
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 3.1
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 13
32
Density, g/cm3 7.7
8.0
Embodied Carbon, kg CO2/kg material 2.8
5.4
Embodied Energy, MJ/kg 40
77
Embodied Water, L/kg 140
190

Common Calculations

PREN (Pitting Resistance) 22
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 91
140
Resilience: Unit (Modulus of Resilience), kJ/m3 140
110
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 16
18
Strength to Weight: Bending, points 17
18
Thermal Diffusivity, mm2/s 5.7
3.1
Thermal Shock Resistance, points 16
12

Alloy Composition

Carbon (C), % 0 to 0.025
0.050 to 0.1
Chromium (Cr), % 20 to 23
17 to 20
Copper (Cu), % 0.3 to 0.8
0 to 1.0
Iron (Fe), % 72.5 to 79.7
38.3 to 48.2
Lead (Pb), % 0
0 to 0.0050
Manganese (Mn), % 0 to 1.0
0 to 2.0
Nickel (Ni), % 0
34 to 37
Niobium (Nb), % 0 to 0.8
0
Nitrogen (N), % 0 to 0.025
0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0.75 to 1.5
Sulfur (S), % 0 to 0.030
0 to 0.030
Tin (Sn), % 0
0 to 0.025
Titanium (Ti), % 0 to 0.8
0