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S42030 Stainless Steel vs. N08904 Stainless Steel

Both S42030 stainless steel and N08904 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 63% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is S42030 stainless steel and the bottom bar is N08904 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 16
38
Fatigue Strength, MPa 250
200
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
79
Shear Strength, MPa 410
370
Tensile Strength: Ultimate (UTS), MPa 670
540
Tensile Strength: Yield (Proof), MPa 410
240

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Corrosion, °C 390
430
Maximum Temperature: Mechanical, °C 780
1100
Melting Completion (Liquidus), °C 1450
1440
Melting Onset (Solidus), °C 1410
1390
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 28
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 10
32
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 2.5
5.8
Embodied Energy, MJ/kg 34
79
Embodied Water, L/kg 110
200

Common Calculations

PREN (Pitting Resistance) 20
37
Resilience: Ultimate (Unit Rupture Work), MJ/m3 92
170
Resilience: Unit (Modulus of Resilience), kJ/m3 440
150
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24
19
Strength to Weight: Bending, points 22
18
Thermal Diffusivity, mm2/s 7.7
3.1
Thermal Shock Resistance, points 24
12

Alloy Composition

Carbon (C), % 0 to 0.3
0 to 0.020
Chromium (Cr), % 12 to 14
19 to 23
Copper (Cu), % 2.0 to 3.0
1.0 to 2.0
Iron (Fe), % 77.6 to 85
38.8 to 53
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 1.0 to 3.0
4.0 to 5.0
Nickel (Ni), % 0
23 to 28
Nitrogen (N), % 0
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 0.035