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SAE-AISI H25 Steel vs. AWS E320LR

Both SAE-AISI H25 steel and AWS E320LR are iron alloys. They have 42% 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 H25 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 79
77
Tensile Strength: Ultimate (UTS), MPa 710 to 1620
580

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Melting Completion (Liquidus), °C 1750
1410
Melting Onset (Solidus), °C 1700
1360
Specific Heat Capacity, J/kg-K 420
460
Thermal Expansion, µm/m-K 12
14

Otherwise Unclassified Properties

Base Metal Price, % relative 38
36
Density, g/cm3 9.1
8.2
Embodied Carbon, kg CO2/kg material 6.2
6.2
Embodied Energy, MJ/kg 93
87
Embodied Water, L/kg 83
220

Common Calculations

PREN (Pitting Resistance) 29
28
Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 22
24
Strength to Weight: Axial, points 22 to 50
20
Strength to Weight: Bending, points 20 to 34
19
Thermal Shock Resistance, points 22 to 49
15

Alloy Composition

Carbon (C), % 0.22 to 0.32
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), % 77.2 to 81.3
32.7 to 42.5
Manganese (Mn), % 0.15 to 0.4
1.5 to 2.5
Molybdenum (Mo), % 0
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), % 0.15 to 0.4
0 to 0.3
Sulfur (S), % 0 to 0.030
0 to 0.015
Tungsten (W), % 14 to 16
0
Vanadium (V), % 0.4 to 0.6
0