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SAE-AISI D4 Steel vs. EN 1.4807 Stainless Steel

Both SAE-AISI D4 steel and EN 1.4807 stainless steel are iron alloys. They have 55% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI D4 steel and the bottom bar is EN 1.4807 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 8.4 to 15
4.5
Fatigue Strength, MPa 310 to 920
120
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 74
75
Tensile Strength: Ultimate (UTS), MPa 760 to 2060
480
Tensile Strength: Yield (Proof), MPa 470 to 1540
250

Thermal Properties

Latent Heat of Fusion, J/g 270
320
Melting Completion (Liquidus), °C 1430
1390
Melting Onset (Solidus), °C 1380
1350
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 31
12
Thermal Expansion, µm/m-K 12
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.2
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 5.0
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 8.0
39
Density, g/cm3 7.7
8.0
Embodied Carbon, kg CO2/kg material 3.3
6.8
Embodied Energy, MJ/kg 49
97
Embodied Water, L/kg 100
190

Common Calculations

PREN (Pitting Resistance) 15
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 100 to 160
18
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 27 to 75
17
Strength to Weight: Bending, points 24 to 47
17
Thermal Diffusivity, mm2/s 8.3
3.2
Thermal Shock Resistance, points 23 to 63
12

Alloy Composition

Carbon (C), % 2.1 to 2.4
0.3 to 0.5
Chromium (Cr), % 11 to 13
17 to 20
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 80.6 to 86.3
36.6 to 46.7
Manganese (Mn), % 0 to 0.6
0 to 2.0
Molybdenum (Mo), % 0.7 to 1.2
0 to 0.5
Nickel (Ni), % 0 to 0.3
34 to 36
Niobium (Nb), % 0
1.0 to 1.8
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.6
1.0 to 2.5
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0 to 1.0
0