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AISI 420 Stainless Steel vs. S46500 Stainless Steel

Both AISI 420 stainless steel and S46500 stainless steel are iron alloys. They have 87% of their average alloy composition in common. There are 27 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 420 stainless steel and the bottom bar is S46500 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 8.0 to 15
2.3 to 14
Fatigue Strength, MPa 220 to 670
550 to 890
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
75
Shear Strength, MPa 420 to 1010
730 to 1120
Tensile Strength: Ultimate (UTS), MPa 690 to 1720
1260 to 1930
Tensile Strength: Yield (Proof), MPa 380 to 1310
1120 to 1810

Thermal Properties

Latent Heat of Fusion, J/g 280
280
Maximum Temperature: Corrosion, °C 390
680
Maximum Temperature: Mechanical, °C 620
780
Melting Completion (Liquidus), °C 1510
1450
Melting Onset (Solidus), °C 1450
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 10
11

Otherwise Unclassified Properties

Base Metal Price, % relative 7.5
15
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.0
3.6
Embodied Energy, MJ/kg 28
51
Embodied Water, L/kg 100
120

Common Calculations

PREN (Pitting Resistance) 14
15
Resilience: Ultimate (Unit Rupture Work), MJ/m3 88 to 130
43 to 210
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25 to 62
44 to 68
Strength to Weight: Bending, points 22 to 41
33 to 44
Thermal Shock Resistance, points 25 to 62
44 to 67

Alloy Composition

Carbon (C), % 0.15 to 0.4
0 to 0.020
Chromium (Cr), % 12 to 14
11 to 12.5
Iron (Fe), % 82.3 to 87.9
72.6 to 76.1
Manganese (Mn), % 0 to 1.0
0 to 0.25
Molybdenum (Mo), % 0 to 0.5
0.75 to 1.3
Nickel (Ni), % 0 to 0.75
10.7 to 11.3
Nitrogen (N), % 0
0 to 0.010
Phosphorus (P), % 0 to 0.040
0 to 0.015
Silicon (Si), % 0 to 1.0
0 to 0.25
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 0
1.5 to 1.8

Comparable Variants