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AISI 302 Stainless Steel vs. N08904 Stainless Steel

Both AISI 302 stainless steel and N08904 stainless steel are iron alloys. They have 74% of their average alloy composition in common. There are 33 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 AISI 302 stainless steel and the bottom bar is N08904 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 440
170
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 4.5 to 46
38
Fatigue Strength, MPa 210 to 520
200
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
79
Shear Strength, MPa 400 to 830
370
Tensile Strength: Ultimate (UTS), MPa 580 to 1430
540
Tensile Strength: Yield (Proof), MPa 230 to 1100
240

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Corrosion, °C 410
430
Maximum Temperature: Mechanical, °C 710
1100
Melting Completion (Liquidus), °C 1420
1440
Melting Onset (Solidus), °C 1400
1390
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 16
12
Thermal Expansion, µm/m-K 17
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 15
32
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 3.0
5.8
Embodied Energy, MJ/kg 42
79
Embodied Water, L/kg 140
200

Common Calculations

PREN (Pitting Resistance) 19
37
Resilience: Ultimate (Unit Rupture Work), MJ/m3 59 to 260
170
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 3070
150
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21 to 51
19
Strength to Weight: Bending, points 20 to 36
18
Thermal Diffusivity, mm2/s 4.4
3.1
Thermal Shock Resistance, points 12 to 31
12

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.020
Chromium (Cr), % 17 to 19
19 to 23
Copper (Cu), % 0
1.0 to 2.0
Iron (Fe), % 67.9 to 75
38.8 to 53
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 0
4.0 to 5.0
Nickel (Ni), % 8.0 to 10
23 to 28
Nitrogen (N), % 0 to 0.1
0 to 0.1
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0 to 0.75
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.035