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SAE-AISI H25 Steel vs. EN 1.4821 Stainless Steel

Both SAE-AISI H25 steel and EN 1.4821 stainless steel are iron alloys. They have 73% 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 H25 steel and the bottom bar is EN 1.4821 stainless steel.

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
79
Tensile Strength: Ultimate (UTS), MPa 710 to 1620
730

Thermal Properties

Latent Heat of Fusion, J/g 250
310
Melting Completion (Liquidus), °C 1750
1410
Melting Onset (Solidus), °C 1700
1370
Specific Heat Capacity, J/kg-K 420
490
Thermal Conductivity, W/m-K 26
17
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 38
15
Density, g/cm3 9.1
7.6
Embodied Carbon, kg CO2/kg material 6.2
2.9
Embodied Energy, MJ/kg 93
41
Embodied Water, L/kg 83
160

Common Calculations

PREN (Pitting Resistance) 29
26
Stiffness to Weight: Axial, points 12
15
Stiffness to Weight: Bending, points 22
26
Strength to Weight: Axial, points 22 to 50
26
Strength to Weight: Bending, points 20 to 34
23
Thermal Diffusivity, mm2/s 6.7
4.6
Thermal Shock Resistance, points 22 to 49
21

Alloy Composition

Carbon (C), % 0.22 to 0.32
0.1 to 0.2
Chromium (Cr), % 3.8 to 4.5
24.5 to 26.5
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 77.2 to 81.3
64.2 to 71.1
Manganese (Mn), % 0.15 to 0.4
0 to 2.0
Nickel (Ni), % 0 to 0.3
3.5 to 5.5
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.15 to 0.4
0.8 to 1.5
Sulfur (S), % 0 to 0.030
0 to 0.015
Tungsten (W), % 14 to 16
0
Vanadium (V), % 0.4 to 0.6
0