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EN 1.4542 Stainless Steel vs. SAE-AISI H25 Steel

Both EN 1.4542 stainless steel and SAE-AISI H25 steel are iron alloys. They have 79% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is EN 1.4542 stainless steel and the bottom bar is SAE-AISI H25 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
79
Tensile Strength: Ultimate (UTS), MPa 880 to 1470
710 to 1620

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Melting Completion (Liquidus), °C 1430
1750
Melting Onset (Solidus), °C 1380
1700
Specific Heat Capacity, J/kg-K 470
420
Thermal Conductivity, W/m-K 16
26
Thermal Expansion, µm/m-K 11
12

Otherwise Unclassified Properties

Base Metal Price, % relative 13
38
Density, g/cm3 7.8
9.1
Embodied Carbon, kg CO2/kg material 2.7
6.2
Embodied Energy, MJ/kg 39
93
Embodied Water, L/kg 130
83

Common Calculations

PREN (Pitting Resistance) 17
29
Stiffness to Weight: Axial, points 14
12
Stiffness to Weight: Bending, points 25
22
Strength to Weight: Axial, points 31 to 52
22 to 50
Strength to Weight: Bending, points 26 to 37
20 to 34
Thermal Diffusivity, mm2/s 4.3
6.7
Thermal Shock Resistance, points 29 to 49
22 to 49

Alloy Composition

Carbon (C), % 0 to 0.070
0.22 to 0.32
Chromium (Cr), % 15 to 17
3.8 to 4.5
Copper (Cu), % 3.0 to 5.0
0 to 0.25
Iron (Fe), % 69.6 to 79
77.2 to 81.3
Manganese (Mn), % 0 to 1.5
0.15 to 0.4
Molybdenum (Mo), % 0 to 0.6
0
Nickel (Ni), % 3.0 to 5.0
0 to 0.3
Niobium (Nb), % 0 to 0.45
0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 0.7
0.15 to 0.4
Sulfur (S), % 0 to 0.015
0 to 0.030
Tungsten (W), % 0
14 to 16
Vanadium (V), % 0
0.4 to 0.6