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SAE-AISI D4 Steel vs. EN 1.4107 Stainless Steel

Both SAE-AISI D4 steel and EN 1.4107 stainless steel are iron alloys. They have a very high 97% 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 1.4107 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 8.4 to 15
18 to 21
Fatigue Strength, MPa 310 to 920
260 to 350
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 74
76
Tensile Strength: Ultimate (UTS), MPa 760 to 2060
620 to 700
Tensile Strength: Yield (Proof), MPa 470 to 1540
400 to 570

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Melting Completion (Liquidus), °C 1430
1450
Melting Onset (Solidus), °C 1380
1410
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 31
27
Thermal Expansion, µm/m-K 12
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.2
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 5.0
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 8.0
7.5
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.3
2.1
Embodied Energy, MJ/kg 49
30
Embodied Water, L/kg 100
100

Common Calculations

PREN (Pitting Resistance) 15
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 100 to 160
110 to 120
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27 to 75
22 to 25
Strength to Weight: Bending, points 24 to 47
21 to 22
Thermal Diffusivity, mm2/s 8.3
7.2
Thermal Shock Resistance, points 23 to 63
22 to 25

Alloy Composition

Carbon (C), % 2.1 to 2.4
0 to 0.1
Chromium (Cr), % 11 to 13
11.5 to 12.5
Copper (Cu), % 0 to 0.25
0 to 0.3
Iron (Fe), % 80.6 to 86.3
83.8 to 87.2
Manganese (Mn), % 0 to 0.6
0.5 to 0.8
Molybdenum (Mo), % 0.7 to 1.2
0 to 0.5
Nickel (Ni), % 0 to 0.3
0.8 to 1.5
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0 to 0.6
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.020
Vanadium (V), % 0 to 1.0
0 to 0.080

Comparable Variants