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AISI 305 Stainless Steel vs. S45503 Stainless Steel

Both AISI 305 stainless steel and S45503 stainless steel are iron alloys. They have 89% 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 305 stainless steel and the bottom bar is S45503 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 220
410 to 500
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34 to 45
4.6 to 6.8
Fatigue Strength, MPa 210 to 280
710 to 800
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
75
Shear Strength, MPa 400 to 470
940 to 1070
Tensile Strength: Ultimate (UTS), MPa 580 to 710
1610 to 1850
Tensile Strength: Yield (Proof), MPa 230 to 350
1430 to 1700

Thermal Properties

Latent Heat of Fusion, J/g 290
270
Maximum Temperature: Corrosion, °C 410
640
Maximum Temperature: Mechanical, °C 540
760
Melting Completion (Liquidus), °C 1450
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 16
15
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.2
3.4
Embodied Energy, MJ/kg 45
48
Embodied Water, L/kg 150
120

Common Calculations

PREN (Pitting Resistance) 18
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 200 to 210
82 to 110
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 20 to 25
57 to 65
Strength to Weight: Bending, points 20 to 23
39 to 43
Thermal Shock Resistance, points 13 to 15
56 to 64

Alloy Composition

Carbon (C), % 0 to 0.12
0 to 0.010
Chromium (Cr), % 17 to 19
11 to 12.5
Copper (Cu), % 0
1.5 to 2.5
Iron (Fe), % 65.1 to 72.5
72.4 to 78.9
Manganese (Mn), % 0 to 2.0
0 to 0.5
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 10.5 to 13
7.5 to 9.5
Niobium (Nb), % 0
0.1 to 0.5
Phosphorus (P), % 0 to 0.045
0 to 0.010
Silicon (Si), % 0 to 0.75
0 to 0.2
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 0
1.0 to 1.4