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SAE-AISI H25 Steel vs. AWS E312

Both SAE-AISI H25 steel and AWS E312 are iron alloys. They have 63% 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 E312.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 79
80
Tensile Strength: Ultimate (UTS), MPa 710 to 1620
740

Thermal Properties

Latent Heat of Fusion, J/g 250
310
Melting Completion (Liquidus), °C 1750
1410
Melting Onset (Solidus), °C 1700
1360
Specific Heat Capacity, J/kg-K 420
480
Thermal Expansion, µm/m-K 12
15

Otherwise Unclassified Properties

Base Metal Price, % relative 38
20
Density, g/cm3 9.1
7.7
Embodied Carbon, kg CO2/kg material 6.2
3.6
Embodied Energy, MJ/kg 93
52
Embodied Water, L/kg 83
200

Common Calculations

PREN (Pitting Resistance) 29
31
Stiffness to Weight: Axial, points 12
15
Stiffness to Weight: Bending, points 22
25
Strength to Weight: Axial, points 22 to 50
27
Strength to Weight: Bending, points 20 to 34
24
Thermal Shock Resistance, points 22 to 49
18

Alloy Composition

Carbon (C), % 0.22 to 0.32
0 to 0.15
Chromium (Cr), % 3.8 to 4.5
28 to 32
Copper (Cu), % 0 to 0.25
0 to 0.75
Iron (Fe), % 77.2 to 81.3
52.3 to 63.5
Manganese (Mn), % 0.15 to 0.4
0.5 to 2.5
Molybdenum (Mo), % 0
0 to 0.75
Nickel (Ni), % 0 to 0.3
8.0 to 10.5
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.15 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 14 to 16
0
Vanadium (V), % 0.4 to 0.6
0