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AISI 403 Stainless Steel vs. N08700 Stainless Steel

Both AISI 403 stainless steel and N08700 stainless steel are iron alloys. They have 61% of their average alloy composition in common.

For each property being compared, the top bar is AISI 403 stainless steel and the bottom bar is N08700 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 240
170
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 16 to 25
32
Fatigue Strength, MPa 200 to 340
210
Poisson's Ratio 0.28
0.28
Reduction in Area, % 47 to 50
45
Rockwell B Hardness 83
81
Shear Modulus, GPa 76
79
Shear Strength, MPa 340 to 480
410
Tensile Strength: Ultimate (UTS), MPa 530 to 780
620
Tensile Strength: Yield (Proof), MPa 280 to 570
270

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Maximum Temperature: Corrosion, °C 390
460
Maximum Temperature: Mechanical, °C 740
1100
Melting Completion (Liquidus), °C 1450
1450
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 28
13
Thermal Expansion, µm/m-K 9.9
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
32
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 1.9
6.0
Embodied Energy, MJ/kg 27
82
Embodied Water, L/kg 99
200

Common Calculations

PREN (Pitting Resistance) 12
36
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 120
160
Resilience: Unit (Modulus of Resilience), kJ/m3 210 to 840
180
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 19 to 28
21
Strength to Weight: Bending, points 19 to 24
20
Thermal Diffusivity, mm2/s 7.6
3.5
Thermal Shock Resistance, points 20 to 29
14

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.040
Chromium (Cr), % 11.5 to 13
19 to 23
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 84.7 to 88.5
42 to 52.7
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 0
4.3 to 5.0
Nickel (Ni), % 0 to 0.6
24 to 26
Niobium (Nb), % 0
0 to 0.4
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030