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AISI 302 Stainless Steel vs. S45500 Stainless Steel

Both AISI 302 stainless steel and S45500 stainless steel are iron alloys. They have a moderately high 92% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is AISI 302 stainless steel and the bottom bar is S45500 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 440
280 to 500
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 4.5 to 46
3.4 to 11
Fatigue Strength, MPa 210 to 520
570 to 890
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
75
Shear Strength, MPa 400 to 830
790 to 1090
Tensile Strength: Ultimate (UTS), MPa 580 to 1430
1370 to 1850
Tensile Strength: Yield (Proof), MPa 230 to 1100
1240 to 1700

Thermal Properties

Latent Heat of Fusion, J/g 280
270
Maximum Temperature: Corrosion, °C 410
620
Maximum Temperature: Mechanical, °C 710
760
Melting Completion (Liquidus), °C 1420
1440
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 17
11

Otherwise Unclassified Properties

Base Metal Price, % relative 15
17
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.0
3.8
Embodied Energy, MJ/kg 42
57
Embodied Water, L/kg 140
120

Common Calculations

PREN (Pitting Resistance) 19
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 59 to 260
45 to 190
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21 to 51
48 to 65
Strength to Weight: Bending, points 20 to 36
35 to 42
Thermal Shock Resistance, points 12 to 31
48 to 64

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.050
Chromium (Cr), % 17 to 19
11 to 12.5
Copper (Cu), % 0
1.5 to 2.5
Iron (Fe), % 67.9 to 75
71.5 to 79.2
Manganese (Mn), % 0 to 2.0
0 to 0.5
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 8.0 to 10
7.5 to 9.5
Niobium (Nb), % 0
0 to 0.5
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 0.75
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.030
Tantalum (Ta), % 0
0 to 0.5
Titanium (Ti), % 0
0.8 to 1.4

Comparable Variants