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S30530 Stainless Steel vs. N08320 Stainless Steel

Both S30530 stainless steel and N08320 stainless steel are iron alloys. They have 76% of their average alloy composition in common.

For each property being compared, the top bar is S30530 stainless steel and the bottom bar is N08320 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
190
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 46
40
Fatigue Strength, MPa 210
190
Poisson's Ratio 0.28
0.28
Rockwell B Hardness 79
84
Shear Modulus, GPa 77
78
Shear Strength, MPa 410
400
Tensile Strength: Ultimate (UTS), MPa 590
580
Tensile Strength: Yield (Proof), MPa 230
220

Thermal Properties

Latent Heat of Fusion, J/g 310
300
Maximum Temperature: Corrosion, °C 420
430
Maximum Temperature: Mechanical, °C 970
1100
Melting Completion (Liquidus), °C 1410
1400
Melting Onset (Solidus), °C 1370
1350
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
12
Thermal Expansion, µm/m-K 16
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 18
28
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 3.4
4.9
Embodied Energy, MJ/kg 48
69
Embodied Water, L/kg 150
200

Common Calculations

PREN (Pitting Resistance) 22
22
Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
180
Resilience: Unit (Modulus of Resilience), kJ/m3 130
120
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21
20
Strength to Weight: Bending, points 20
20
Thermal Diffusivity, mm2/s 4.1
3.3
Thermal Shock Resistance, points 13
13

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.050
Chromium (Cr), % 17 to 20.5
21 to 23
Copper (Cu), % 0.75 to 3.5
0
Iron (Fe), % 58.4 to 72.5
40.4 to 50
Manganese (Mn), % 0 to 2.0
0 to 2.5
Molybdenum (Mo), % 0.75 to 1.5
0
Nickel (Ni), % 8.5 to 11.5
25 to 27
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0.5 to 2.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030