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SAE-AISI H19 Steel vs. EN 1.7378 Steel

Both SAE-AISI H19 steel and EN 1.7378 steel are iron alloys. They have 87% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI H19 steel and the bottom bar is EN 1.7378 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 75
74
Tensile Strength: Ultimate (UTS), MPa 720 to 1990
700

Thermal Properties

Latent Heat of Fusion, J/g 260
260
Melting Completion (Liquidus), °C 1540
1470
Melting Onset (Solidus), °C 1490
1430
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 29
39
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 22
4.0
Density, g/cm3 8.2
7.8
Embodied Carbon, kg CO2/kg material 7.5
2.3
Embodied Energy, MJ/kg 110
33
Embodied Water, L/kg 110
61

Common Calculations

PREN (Pitting Resistance) 13
5.8
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 24 to 68
25
Strength to Weight: Bending, points 22 to 43
22
Thermal Diffusivity, mm2/s 7.9
10
Thermal Shock Resistance, points 21 to 59
20

Alloy Composition

Aluminum (Al), % 0
0 to 0.020
Boron (B), % 0
0.0015 to 0.0070
Carbon (C), % 0.32 to 0.45
0.050 to 0.1
Chromium (Cr), % 4.0 to 4.8
2.2 to 2.6
Cobalt (Co), % 4.0 to 4.5
0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 81.4 to 85.5
94.6 to 96.1
Manganese (Mn), % 0.2 to 0.5
0.3 to 0.7
Molybdenum (Mo), % 0.3 to 0.55
0.9 to 1.1
Nickel (Ni), % 0 to 0.3
0
Nitrogen (N), % 0
0 to 0.010
Phosphorus (P), % 0 to 0.030
0 to 0.020
Silicon (Si), % 0.2 to 0.5
0.15 to 0.45
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 0
0.050 to 0.1
Tungsten (W), % 3.8 to 4.5
0
Vanadium (V), % 1.8 to 2.2
0.2 to 0.3