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SAE-AISI D4 Steel vs. N08800 Stainless Steel

Both SAE-AISI D4 steel and N08800 stainless steel are iron alloys. They have 58% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI D4 steel and the bottom bar is N08800 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 8.4 to 15
4.5 to 34
Fatigue Strength, MPa 310 to 920
150 to 390
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 74
77
Shear Strength, MPa 460 to 1210
340 to 580
Tensile Strength: Ultimate (UTS), MPa 760 to 2060
500 to 1000
Tensile Strength: Yield (Proof), MPa 470 to 1540
190 to 830

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Melting Completion (Liquidus), °C 1430
1390
Melting Onset (Solidus), °C 1380
1360
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 31
12
Thermal Expansion, µm/m-K 12
14

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
30
Density, g/cm3 7.7
8.0
Embodied Carbon, kg CO2/kg material 3.3
5.3
Embodied Energy, MJ/kg 49
76
Embodied Water, L/kg 100
200

Common Calculations

PREN (Pitting Resistance) 15
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 100 to 160
42 to 160
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 27 to 75
18 to 35
Strength to Weight: Bending, points 24 to 47
18 to 28
Thermal Diffusivity, mm2/s 8.3
3.0
Thermal Shock Resistance, points 23 to 63
13 to 25

Alloy Composition

Aluminum (Al), % 0
0.15 to 0.6
Carbon (C), % 2.1 to 2.4
0 to 0.1
Chromium (Cr), % 11 to 13
19 to 23
Copper (Cu), % 0 to 0.25
0 to 0.75
Iron (Fe), % 80.6 to 86.3
39.5 to 50.7
Manganese (Mn), % 0 to 0.6
0 to 1.5
Molybdenum (Mo), % 0.7 to 1.2
0
Nickel (Ni), % 0 to 0.3
30 to 35
Phosphorus (P), % 0 to 0.030
0 to 0.045
Silicon (Si), % 0 to 0.6
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0
0.15 to 0.6
Vanadium (V), % 0 to 1.0
0

Comparable Variants