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S31727 Stainless Steel vs. SAE-AISI H19 Steel

Both S31727 stainless steel and SAE-AISI H19 steel are iron alloys. They have 63% of their average alloy composition in common. There are 20 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 S31727 stainless steel and the bottom bar is SAE-AISI H19 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
75
Tensile Strength: Ultimate (UTS), MPa 630
720 to 1990

Thermal Properties

Latent Heat of Fusion, J/g 290
260
Melting Completion (Liquidus), °C 1440
1540
Melting Onset (Solidus), °C 1390
1490
Specific Heat Capacity, J/kg-K 470
460
Thermal Expansion, µm/m-K 16
12

Otherwise Unclassified Properties

Base Metal Price, % relative 24
22
Density, g/cm3 8.0
8.2
Embodied Carbon, kg CO2/kg material 4.7
7.5
Embodied Energy, MJ/kg 64
110
Embodied Water, L/kg 180
110

Common Calculations

PREN (Pitting Resistance) 35
13
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22
24 to 68
Strength to Weight: Bending, points 20
22 to 43
Thermal Shock Resistance, points 14
21 to 59

Alloy Composition

Carbon (C), % 0 to 0.030
0.32 to 0.45
Chromium (Cr), % 17.5 to 19
4.0 to 4.8
Cobalt (Co), % 0
4.0 to 4.5
Copper (Cu), % 2.8 to 4.0
0 to 0.25
Iron (Fe), % 53.7 to 61.3
81.4 to 85.5
Manganese (Mn), % 0 to 1.0
0.2 to 0.5
Molybdenum (Mo), % 3.8 to 4.5
0.3 to 0.55
Nickel (Ni), % 14.5 to 16.5
0 to 0.3
Nitrogen (N), % 0.15 to 0.21
0
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0 to 1.0
0.2 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 0
3.8 to 4.5
Vanadium (V), % 0
1.8 to 2.2