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ASTM A387 Grade 22L Class 1 vs. SAE-AISI H14 Steel

Both ASTM A387 grade 22L class 1 and SAE-AISI H14 steel are iron alloys. They have a moderately high 91% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is ASTM A387 grade 22L class 1 and the bottom bar is SAE-AISI H14 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
75
Tensile Strength: Ultimate (UTS), MPa 500
710 to 2030

Thermal Properties

Latent Heat of Fusion, J/g 260
270
Melting Completion (Liquidus), °C 1470
1530
Melting Onset (Solidus), °C 1430
1490
Specific Heat Capacity, J/kg-K 470
460
Thermal Conductivity, W/m-K 40
35
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
9.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
10

Otherwise Unclassified Properties

Base Metal Price, % relative 3.8
15
Density, g/cm3 7.9
8.1
Embodied Carbon, kg CO2/kg material 1.7
2.7
Embodied Energy, MJ/kg 23
39
Embodied Water, L/kg 58
73

Common Calculations

PREN (Pitting Resistance) 5.6
13
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 18
24 to 69
Strength to Weight: Bending, points 18
22 to 44
Thermal Diffusivity, mm2/s 11
9.3
Thermal Shock Resistance, points 14
24 to 68

Alloy Composition

Carbon (C), % 0 to 0.1
0.35 to 0.45
Chromium (Cr), % 2.0 to 2.5
4.8 to 5.5
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 95.2 to 96.8
86.5 to 89.9
Manganese (Mn), % 0.3 to 0.6
0.2 to 0.5
Molybdenum (Mo), % 0.9 to 1.1
0
Nickel (Ni), % 0
0 to 0.3
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0 to 0.5
0.8 to 1.2
Sulfur (S), % 0 to 0.025
0 to 0.030
Tungsten (W), % 0
4.0 to 5.3