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SAE-AISI H42 Steel vs. AWS E320LR

Both SAE-AISI H42 steel and AWS E320LR are iron alloys. They have 45% of their average alloy composition in common. There are 20 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI H42 steel and the bottom bar is AWS E320LR.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 77
77
Tensile Strength: Ultimate (UTS), MPa 700 to 1980
580

Thermal Properties

Latent Heat of Fusion, J/g 260
300
Melting Completion (Liquidus), °C 1620
1410
Melting Onset (Solidus), °C 1570
1360
Specific Heat Capacity, J/kg-K 440
460
Thermal Expansion, µm/m-K 12
14

Otherwise Unclassified Properties

Base Metal Price, % relative 24
36
Density, g/cm3 8.4
8.2
Embodied Carbon, kg CO2/kg material 8.8
6.2
Embodied Energy, MJ/kg 130
87
Embodied Water, L/kg 98
220

Common Calculations

PREN (Pitting Resistance) 31
28
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 23 to 65
20
Strength to Weight: Bending, points 21 to 42
19
Thermal Shock Resistance, points 20 to 57
15

Alloy Composition

Carbon (C), % 0.55 to 0.7
0 to 0.030
Chromium (Cr), % 3.8 to 4.5
19 to 21
Copper (Cu), % 0 to 0.25
3.0 to 4.0
Iron (Fe), % 79.3 to 83.8
32.7 to 42.5
Manganese (Mn), % 0.15 to 0.4
1.5 to 2.5
Molybdenum (Mo), % 4.5 to 5.5
2.0 to 3.0
Nickel (Ni), % 0 to 0.3
32 to 36
Niobium (Nb), % 0
0 to 0.4
Phosphorus (P), % 0 to 0.030
0 to 0.020
Silicon (Si), % 0
0 to 0.3
Sulfur (S), % 0 to 0.030
0 to 0.015
Tungsten (W), % 5.5 to 6.8
0
Vanadium (V), % 1.8 to 2.2
0