MakeItFrom.com
Menu (ESC)

S31100 Stainless Steel vs. S45503 Stainless Steel

Both S31100 stainless steel and S45503 stainless steel are iron alloys. They have 85% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is S31100 stainless steel and the bottom bar is S45503 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270
410 to 500
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 4.5
4.6 to 6.8
Fatigue Strength, MPa 330
710 to 800
Poisson's Ratio 0.27
0.28
Rockwell C Hardness 28
46 to 54
Shear Modulus, GPa 79
75
Shear Strength, MPa 580
940 to 1070
Tensile Strength: Ultimate (UTS), MPa 1000
1610 to 1850
Tensile Strength: Yield (Proof), MPa 710
1430 to 1700

Thermal Properties

Latent Heat of Fusion, J/g 300
270
Maximum Temperature: Corrosion, °C 470
640
Maximum Temperature: Mechanical, °C 1100
760
Melting Completion (Liquidus), °C 1420
1440
Melting Onset (Solidus), °C 1380
1400
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 13
11

Otherwise Unclassified Properties

Base Metal Price, % relative 16
15
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 3.1
3.4
Embodied Energy, MJ/kg 44
48
Embodied Water, L/kg 170
120

Common Calculations

PREN (Pitting Resistance) 26
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 40
82 to 110
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 36
57 to 65
Strength to Weight: Bending, points 29
39 to 43
Thermal Shock Resistance, points 28
56 to 64

Alloy Composition

Carbon (C), % 0 to 0.060
0 to 0.010
Chromium (Cr), % 25 to 27
11 to 12.5
Copper (Cu), % 0
1.5 to 2.5
Iron (Fe), % 63.6 to 69
72.4 to 78.9
Manganese (Mn), % 0 to 1.0
0 to 0.5
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 6.0 to 7.0
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 1.0
0 to 0.2
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 0 to 0.25
1.0 to 1.4