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SAE-AISI H13 Steel vs. EN 1.4945 Stainless Steel

Both SAE-AISI H13 steel and EN 1.4945 stainless steel are iron alloys. They have 68% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (9, 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 1.4945 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
Tensile Strength: Ultimate (UTS), MPa 690 to 1820
640 to 740

Thermal Properties

Latent Heat of Fusion, J/g 270
290
Melting Completion (Liquidus), °C 1460
1490
Melting Onset (Solidus), °C 1420
1440
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 29
14
Thermal Expansion, µm/m-K 10
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.3
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 9.7
3.2

Otherwise Unclassified Properties

Base Metal Price, % relative 6.0
30
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 4.3
5.0
Embodied Energy, MJ/kg 64
73
Embodied Water, L/kg 78
150

Common Calculations

PREN (Pitting Resistance) 9.9
23
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25 to 65
22 to 25
Strength to Weight: Bending, points 22 to 43
20 to 22
Thermal Diffusivity, mm2/s 7.8
3.7
Thermal Shock Resistance, points 25 to 65
14 to 16

Alloy Composition

Carbon (C), % 0.32 to 0.45
0.040 to 0.1
Chromium (Cr), % 4.8 to 5.5
15.5 to 17.5
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 88.8 to 92
57.9 to 65.7
Manganese (Mn), % 0.2 to 0.5
0 to 1.5
Molybdenum (Mo), % 1.1 to 1.8
0
Nickel (Ni), % 0 to 0.3
15.5 to 17.5
Niobium (Nb), % 0
0.4 to 1.2
Nitrogen (N), % 0
0.060 to 0.14
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0.8 to 1.2
0.3 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.015
Tungsten (W), % 0
2.5 to 3.5
Vanadium (V), % 0.8 to 1.2
0