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S17600 Stainless Steel vs. AISI 420 Stainless Steel

Both S17600 stainless steel and AISI 420 stainless steel are iron alloys. They have 89% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is S17600 stainless steel and the bottom bar is AISI 420 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270 to 410
190
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 8.6 to 11
8.0 to 15
Fatigue Strength, MPa 300 to 680
220 to 670
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
76
Shear Strength, MPa 560 to 880
420 to 1010
Tensile Strength: Ultimate (UTS), MPa 940 to 1490
690 to 1720
Tensile Strength: Yield (Proof), MPa 580 to 1310
380 to 1310

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Corrosion, °C 550
390
Maximum Temperature: Mechanical, °C 890
620
Melting Completion (Liquidus), °C 1430
1510
Melting Onset (Solidus), °C 1390
1450
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
27
Thermal Expansion, µm/m-K 11
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
3.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
3.5

Otherwise Unclassified Properties

Base Metal Price, % relative 13
7.5
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 2.9
2.0
Embodied Energy, MJ/kg 42
28
Embodied Water, L/kg 130
100

Common Calculations

PREN (Pitting Resistance) 17
14
Resilience: Ultimate (Unit Rupture Work), MJ/m3 70 to 150
88 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 850 to 4390
380 to 4410
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 34 to 54
25 to 62
Strength to Weight: Bending, points 28 to 37
22 to 41
Thermal Diffusivity, mm2/s 4.1
7.3
Thermal Shock Resistance, points 31 to 50
25 to 62

Alloy Composition

Aluminum (Al), % 0 to 0.4
0
Carbon (C), % 0 to 0.080
0.15 to 0.4
Chromium (Cr), % 16 to 17.5
12 to 14
Iron (Fe), % 71.3 to 77.6
82.3 to 87.9
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 6.0 to 7.5
0 to 0.75
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Titanium (Ti), % 0.4 to 1.2
0

Comparable Variants