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SAE-AISI H42 Steel vs. ASTM A387 Grade 22L Class 1

Both SAE-AISI H42 steel and ASTM A387 grade 22L class 1 are iron alloys. They have 85% 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 SAE-AISI H42 steel and the bottom bar is ASTM A387 grade 22L class 1.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 77
74
Tensile Strength: Ultimate (UTS), MPa 700 to 1980
500

Thermal Properties

Latent Heat of Fusion, J/g 260
260
Melting Completion (Liquidus), °C 1620
1470
Melting Onset (Solidus), °C 1570
1430
Specific Heat Capacity, J/kg-K 440
470
Thermal Conductivity, W/m-K 24
40
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 24
3.8
Density, g/cm3 8.4
7.9
Embodied Carbon, kg CO2/kg material 8.8
1.7
Embodied Energy, MJ/kg 130
23
Embodied Water, L/kg 98
58

Common Calculations

PREN (Pitting Resistance) 31
5.6
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 23 to 65
18
Strength to Weight: Bending, points 21 to 42
18
Thermal Diffusivity, mm2/s 6.5
11
Thermal Shock Resistance, points 20 to 57
14

Alloy Composition

Carbon (C), % 0.55 to 0.7
0 to 0.1
Chromium (Cr), % 3.8 to 4.5
2.0 to 2.5
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 79.3 to 83.8
95.2 to 96.8
Manganese (Mn), % 0.15 to 0.4
0.3 to 0.6
Molybdenum (Mo), % 4.5 to 5.5
0.9 to 1.1
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.025
Tungsten (W), % 5.5 to 6.8
0
Vanadium (V), % 1.8 to 2.2
0