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EN 1.4849 Stainless Steel vs. SAE-AISI D7 Steel

Both EN 1.4849 stainless steel and SAE-AISI D7 steel are iron alloys. They have 52% of their average alloy composition in common. There are 22 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 EN 1.4849 stainless steel and the bottom bar is SAE-AISI D7 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
73
Tensile Strength: Ultimate (UTS), MPa 480
800 to 2120

Thermal Properties

Latent Heat of Fusion, J/g 320
270
Melting Completion (Liquidus), °C 1390
1440
Melting Onset (Solidus), °C 1340
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 12
27
Thermal Expansion, µm/m-K 15
11

Otherwise Unclassified Properties

Base Metal Price, % relative 42
10
Density, g/cm3 8.0
7.6
Embodied Carbon, kg CO2/kg material 7.1
11
Embodied Energy, MJ/kg 100
180
Embodied Water, L/kg 200
130

Common Calculations

PREN (Pitting Resistance) 20
16
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 17
29 to 78
Strength to Weight: Bending, points 17
25 to 48
Thermal Diffusivity, mm2/s 3.2
7.4
Thermal Shock Resistance, points 11
27 to 72

Alloy Composition

Carbon (C), % 0.3 to 0.5
2.2 to 2.5
Chromium (Cr), % 18 to 21
11.5 to 13.5
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 32.6 to 43.5
76.6 to 81.9
Manganese (Mn), % 0 to 2.0
0 to 0.6
Molybdenum (Mo), % 0 to 0.5
0.7 to 1.2
Nickel (Ni), % 36 to 39
0 to 0.3
Niobium (Nb), % 1.2 to 1.8
0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 1.0 to 2.5
0 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0
3.8 to 4.4