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S45500 Stainless Steel vs. SAE-AISI 4130 Steel

Both S45500 stainless steel and SAE-AISI 4130 steel are iron alloys. They have 77% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is S45500 stainless steel and the bottom bar is SAE-AISI 4130 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 280 to 500
200 to 300
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 3.4 to 11
13 to 26
Fatigue Strength, MPa 570 to 890
320 to 660
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
73
Shear Strength, MPa 790 to 1090
340 to 640
Tensile Strength: Ultimate (UTS), MPa 1370 to 1850
530 to 1040
Tensile Strength: Yield (Proof), MPa 1240 to 1700
440 to 980

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 760
420
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Expansion, µm/m-K 11
13

Otherwise Unclassified Properties

Base Metal Price, % relative 17
2.4
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 3.8
1.5
Embodied Energy, MJ/kg 57
20
Embodied Water, L/kg 120
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 45 to 190
83 to 180
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 48 to 65
19 to 37
Strength to Weight: Bending, points 35 to 42
19 to 29
Thermal Shock Resistance, points 48 to 64
16 to 31

Alloy Composition

Carbon (C), % 0 to 0.050
0.28 to 0.33
Chromium (Cr), % 11 to 12.5
0.8 to 1.1
Copper (Cu), % 1.5 to 2.5
0
Iron (Fe), % 71.5 to 79.2
97.3 to 98.2
Manganese (Mn), % 0 to 0.5
0.4 to 0.6
Molybdenum (Mo), % 0 to 0.5
0.15 to 0.25
Nickel (Ni), % 7.5 to 9.5
0
Niobium (Nb), % 0 to 0.5
0
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 0.5
0.15 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.040
Tantalum (Ta), % 0 to 0.5
0
Titanium (Ti), % 0.8 to 1.4
0

Comparable Variants