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SAE-AISI H13 Steel vs. EN 1.4740 Stainless Steel

Both SAE-AISI H13 steel and EN 1.4740 stainless steel are iron alloys. They have 86% of their average alloy composition in common. There are 20 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI H13 steel and the bottom bar is EN 1.4740 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
77

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Melting Completion (Liquidus), °C 1460
1420
Melting Onset (Solidus), °C 1420
1370
Specific Heat Capacity, J/kg-K 470
490
Thermal Conductivity, W/m-K 29
18
Thermal Expansion, µm/m-K 10
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.3
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 9.7
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 6.0
9.5
Density, g/cm3 7.8
7.6
Embodied Carbon, kg CO2/kg material 4.3
2.3
Embodied Energy, MJ/kg 64
32
Embodied Water, L/kg 78
120

Common Calculations

PREN (Pitting Resistance) 9.9
18
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Thermal Diffusivity, mm2/s 7.8
4.8

Alloy Composition

Carbon (C), % 0.32 to 0.45
0.3 to 0.5
Chromium (Cr), % 4.8 to 5.5
16 to 19
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 88.8 to 92
75.4 to 82.7
Manganese (Mn), % 0.2 to 0.5
0 to 1.0
Molybdenum (Mo), % 1.1 to 1.8
0 to 0.5
Nickel (Ni), % 0 to 0.3
0 to 1.0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.8 to 1.2
1.0 to 2.5
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0.8 to 1.2
0