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AISI 440A Stainless Steel vs. R60706 Alloy

AISI 440A stainless steel belongs to the iron alloys classification, while R60706 alloy belongs to the otherwise unclassified metals. There are 19 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is AISI 440A stainless steel and the bottom bar is R60706 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
98
Elongation at Break, % 5.0 to 20
16
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 77
37
Tensile Strength: Ultimate (UTS), MPa 730 to 1790
580
Tensile Strength: Yield (Proof), MPa 420 to 1650
390

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Specific Heat Capacity, J/kg-K 480
270
Thermal Conductivity, W/m-K 23
17
Thermal Expansion, µm/m-K 10
6.3

Otherwise Unclassified Properties

Density, g/cm3 7.7
6.7
Embodied Water, L/kg 120
450

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 87 to 120
82
Stiffness to Weight: Axial, points 14
8.1
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 26 to 65
24
Strength to Weight: Bending, points 23 to 43
23
Thermal Diffusivity, mm2/s 6.2
9.5
Thermal Shock Resistance, points 26 to 65
67

Alloy Composition

Carbon (C), % 0.6 to 0.75
0 to 0.050
Chromium (Cr), % 16 to 18
0 to 0.2
Hafnium (Hf), % 0
0 to 4.5
Hydrogen (H), % 0
0 to 0.0050
Iron (Fe), % 78.4 to 83.4
0 to 0.2
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 0 to 0.75
0
Niobium (Nb), % 0
2.0 to 3.0
Nitrogen (N), % 0
0 to 0.025
Oxygen (O), % 0
0 to 0.16
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.015
0
Zirconium (Zr), % 0
91 to 98