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Annealed AISI 420 vs. Annealed S46910 Stainless Steel

Both annealed AISI 420 and annealed S46910 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 84% 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 annealed AISI 420 and the bottom bar is annealed S46910 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
270
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 15
11
Fatigue Strength, MPa 220
250
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
76
Shear Strength, MPa 420
410
Tensile Strength: Ultimate (UTS), MPa 690
680
Tensile Strength: Yield (Proof), MPa 380
450

Thermal Properties

Latent Heat of Fusion, J/g 280
280
Maximum Temperature: Corrosion, °C 390
540
Maximum Temperature: Mechanical, °C 620
810
Melting Completion (Liquidus), °C 1510
1460
Melting Onset (Solidus), °C 1450
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 10
11

Otherwise Unclassified Properties

Base Metal Price, % relative 7.5
18
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.0
4.1
Embodied Energy, MJ/kg 28
55
Embodied Water, L/kg 100
140

Common Calculations

PREN (Pitting Resistance) 14
25
Resilience: Ultimate (Unit Rupture Work), MJ/m3 88
69
Resilience: Unit (Modulus of Resilience), kJ/m3 380
510
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25
24
Strength to Weight: Bending, points 22
22
Thermal Shock Resistance, points 25
23

Alloy Composition

Aluminum (Al), % 0
0.15 to 0.5
Carbon (C), % 0.15 to 0.4
0 to 0.030
Chromium (Cr), % 12 to 14
11 to 13
Copper (Cu), % 0
1.5 to 3.5
Iron (Fe), % 82.3 to 87.9
65 to 76
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 0 to 0.5
3.0 to 5.0
Nickel (Ni), % 0 to 0.75
8.0 to 10
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.7
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0
0.5 to 1.2