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S45503 Stainless Steel vs. AISI 302 Stainless Steel

Both S45503 stainless steel and AISI 302 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 S45503 stainless steel and the bottom bar is AISI 302 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 410 to 500
170 to 440
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 4.6 to 6.8
4.5 to 46
Fatigue Strength, MPa 710 to 800
210 to 520
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
77
Shear Strength, MPa 940 to 1070
400 to 830
Tensile Strength: Ultimate (UTS), MPa 1610 to 1850
580 to 1430
Tensile Strength: Yield (Proof), MPa 1430 to 1700
230 to 1100

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Maximum Temperature: Corrosion, °C 640
410
Maximum Temperature: Mechanical, °C 760
710
Melting Completion (Liquidus), °C 1440
1420
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 11
17

Otherwise Unclassified Properties

Base Metal Price, % relative 15
15
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 3.4
3.0
Embodied Energy, MJ/kg 48
42
Embodied Water, L/kg 120
140

Common Calculations

PREN (Pitting Resistance) 13
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 82 to 110
59 to 260
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 57 to 65
21 to 51
Strength to Weight: Bending, points 39 to 43
20 to 36
Thermal Shock Resistance, points 56 to 64
12 to 31

Alloy Composition

Carbon (C), % 0 to 0.010
0 to 0.15
Chromium (Cr), % 11 to 12.5
17 to 19
Copper (Cu), % 1.5 to 2.5
0
Iron (Fe), % 72.4 to 78.9
67.9 to 75
Manganese (Mn), % 0 to 0.5
0 to 2.0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 7.5 to 9.5
8.0 to 10
Niobium (Nb), % 0.1 to 0.5
0
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.010
0 to 0.045
Silicon (Si), % 0 to 0.2
0 to 0.75
Sulfur (S), % 0 to 0.010
0 to 0.030
Titanium (Ti), % 1.0 to 1.4
0