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SAE-AISI H19 Steel vs. S31260 Stainless Steel

Both SAE-AISI H19 steel and S31260 stainless steel are iron alloys. They have 70% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI H19 steel and the bottom bar is S31260 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 75
80
Tensile Strength: Ultimate (UTS), MPa 720 to 1990
790

Thermal Properties

Latent Heat of Fusion, J/g 260
300
Melting Completion (Liquidus), °C 1540
1450
Melting Onset (Solidus), °C 1490
1400
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 29
16
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 22
20
Density, g/cm3 8.2
7.8
Embodied Carbon, kg CO2/kg material 7.5
3.9
Embodied Energy, MJ/kg 110
53
Embodied Water, L/kg 110
180

Common Calculations

PREN (Pitting Resistance) 13
39
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 24 to 68
28
Strength to Weight: Bending, points 22 to 43
24
Thermal Diffusivity, mm2/s 7.9
4.3
Thermal Shock Resistance, points 21 to 59
22

Alloy Composition

Carbon (C), % 0.32 to 0.45
0 to 0.030
Chromium (Cr), % 4.0 to 4.8
24 to 26
Cobalt (Co), % 4.0 to 4.5
0
Copper (Cu), % 0 to 0.25
0.2 to 0.8
Iron (Fe), % 81.4 to 85.5
59.6 to 67.6
Manganese (Mn), % 0.2 to 0.5
0 to 1.0
Molybdenum (Mo), % 0.3 to 0.55
2.5 to 3.5
Nickel (Ni), % 0 to 0.3
5.5 to 7.5
Nitrogen (N), % 0
0.1 to 0.3
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0.2 to 0.5
0 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 3.8 to 4.5
0.1 to 0.5
Vanadium (V), % 1.8 to 2.2
0