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ASTM A387 Grade 2 Steel vs. SAE-AISI H22 Steel

Both ASTM A387 grade 2 steel and SAE-AISI H22 steel are iron alloys. They have 86% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is ASTM A387 grade 2 steel and the bottom bar is SAE-AISI H22 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
77
Tensile Strength: Ultimate (UTS), MPa 470 to 550
700 to 1920

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Melting Completion (Liquidus), °C 1470
1670
Melting Onset (Solidus), °C 1420
1620
Specific Heat Capacity, J/kg-K 470
440
Thermal Conductivity, W/m-K 45
31
Thermal Expansion, µm/m-K 13
12

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
28
Density, g/cm3 7.9
8.7
Embodied Carbon, kg CO2/kg material 1.6
4.9
Embodied Energy, MJ/kg 20
73
Embodied Water, L/kg 50
72

Common Calculations

PREN (Pitting Resistance) 2.4
21
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
22
Strength to Weight: Axial, points 16 to 20
22 to 61
Strength to Weight: Bending, points 17 to 19
20 to 39
Thermal Diffusivity, mm2/s 12
8.2
Thermal Shock Resistance, points 14 to 16
22 to 60

Alloy Composition

Carbon (C), % 0.050 to 0.21
0.3 to 0.4
Chromium (Cr), % 0.5 to 0.8
1.8 to 3.8
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 97.1 to 98.3
82.2 to 87.4
Manganese (Mn), % 0.55 to 0.8
0.15 to 0.4
Molybdenum (Mo), % 0.45 to 0.6
0
Nickel (Ni), % 0
0 to 0.3
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0.15 to 0.4
0.15 to 0.4
Sulfur (S), % 0 to 0.025
0 to 0.030
Tungsten (W), % 0
10 to 11.8
Vanadium (V), % 0
0.25 to 0.5

Comparable Variants