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SAE-AISI A8 Steel vs. AWS E316H

Both SAE-AISI A8 steel and AWS E316H are iron alloys. They have 72% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI A8 steel and the bottom bar is AWS E316H.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
78
Tensile Strength: Ultimate (UTS), MPa 700 to 1920
580

Thermal Properties

Latent Heat of Fusion, J/g 270
290
Melting Completion (Liquidus), °C 1480
1440
Melting Onset (Solidus), °C 1430
1390
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 37
15
Thermal Expansion, µm/m-K 12
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.3
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 9.5
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
20
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 2.3
4.0
Embodied Energy, MJ/kg 31
55
Embodied Water, L/kg 73
160

Common Calculations

PREN (Pitting Resistance) 12
27
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 25 to 68
21
Strength to Weight: Bending, points 22 to 44
20
Thermal Diffusivity, mm2/s 9.9
4.0
Thermal Shock Resistance, points 22 to 62
15

Alloy Composition

Carbon (C), % 0.5 to 0.6
0.040 to 0.080
Chromium (Cr), % 4.8 to 5.5
17 to 20
Copper (Cu), % 0 to 0.25
0 to 0.75
Iron (Fe), % 88.5 to 91.9
58.6 to 69.5
Manganese (Mn), % 0 to 0.5
0.5 to 2.5
Molybdenum (Mo), % 1.2 to 1.7
2.0 to 3.0
Nickel (Ni), % 0 to 0.3
11 to 14
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.75 to 1.1
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 1.0 to 1.5
0