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AISI 302 Stainless Steel vs. S44800 Stainless Steel

Both AISI 302 stainless steel and S44800 stainless steel are iron alloys. They have 85% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is AISI 302 stainless steel and the bottom bar is S44800 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 440
190
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 4.5 to 46
23
Fatigue Strength, MPa 210 to 520
300
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 77
82
Shear Strength, MPa 400 to 830
370
Tensile Strength: Ultimate (UTS), MPa 580 to 1430
590
Tensile Strength: Yield (Proof), MPa 230 to 1100
450

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Corrosion, °C 410
460
Maximum Temperature: Mechanical, °C 710
1100
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 16
17
Thermal Expansion, µm/m-K 17
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 15
19
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.0
3.8
Embodied Energy, MJ/kg 42
52
Embodied Water, L/kg 140
190

Common Calculations

PREN (Pitting Resistance) 19
42
Resilience: Ultimate (Unit Rupture Work), MJ/m3 59 to 260
120
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 3070
480
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21 to 51
21
Strength to Weight: Bending, points 20 to 36
20
Thermal Diffusivity, mm2/s 4.4
4.6
Thermal Shock Resistance, points 12 to 31
19

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.010
Chromium (Cr), % 17 to 19
28 to 30
Copper (Cu), % 0
0 to 0.15
Iron (Fe), % 67.9 to 75
62.6 to 66.5
Manganese (Mn), % 0 to 2.0
0 to 0.3
Molybdenum (Mo), % 0
3.5 to 4.2
Nickel (Ni), % 8.0 to 10
2.0 to 2.5
Nitrogen (N), % 0 to 0.1
0 to 0.020
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 0.75
0 to 0.2
Sulfur (S), % 0 to 0.030
0 to 0.020