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EN 1.4988 Stainless Steel vs. SAE-AISI H10 Steel

Both EN 1.4988 stainless steel and SAE-AISI H10 steel are iron alloys. They have 72% 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 EN 1.4988 stainless steel and the bottom bar is SAE-AISI H10 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
74
Tensile Strength: Ultimate (UTS), MPa 640
680 to 2030

Thermal Properties

Latent Heat of Fusion, J/g 290
270
Melting Completion (Liquidus), °C 1450
1470
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 15
38
Thermal Expansion, µm/m-K 16
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
9.2

Otherwise Unclassified Properties

Base Metal Price, % relative 23
6.5
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 6.0
3.4
Embodied Energy, MJ/kg 89
48
Embodied Water, L/kg 150
71

Common Calculations

PREN (Pitting Resistance) 22
12
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 23
24 to 72
Strength to Weight: Bending, points 21
22 to 46
Thermal Diffusivity, mm2/s 4.0
10
Thermal Shock Resistance, points 14
22 to 66

Alloy Composition

Carbon (C), % 0.040 to 0.1
0.35 to 0.45
Chromium (Cr), % 15.5 to 17.5
3.0 to 3.8
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 62.1 to 69.5
89.5 to 93.4
Manganese (Mn), % 0 to 1.5
0.25 to 0.7
Molybdenum (Mo), % 1.1 to 1.5
2.0 to 3.0
Nickel (Ni), % 12.5 to 14.5
0 to 0.3
Niobium (Nb), % 0.4 to 1.2
0
Nitrogen (N), % 0.060 to 0.14
0
Phosphorus (P), % 0 to 0.035
0 to 0.030
Silicon (Si), % 0.3 to 0.6
0.8 to 1.2
Sulfur (S), % 0 to 0.015
0 to 0.030
Vanadium (V), % 0.6 to 0.85
0.25 to 0.75