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SAE-AISI D4 Steel vs. EN 1.4980 Stainless Steel

Both SAE-AISI D4 steel and EN 1.4980 stainless steel are iron alloys. They have 68% 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 EN 1.4980 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 8.4 to 15
17
Fatigue Strength, MPa 310 to 920
410
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 74
75
Shear Strength, MPa 460 to 1210
630
Tensile Strength: Ultimate (UTS), MPa 760 to 2060
1030
Tensile Strength: Yield (Proof), MPa 470 to 1540
680

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Melting Completion (Liquidus), °C 1430
1430
Melting Onset (Solidus), °C 1380
1380
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 31
13
Thermal Expansion, µm/m-K 12
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.2
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 5.0
2.1

Otherwise Unclassified Properties

Base Metal Price, % relative 8.0
26
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 3.3
6.0
Embodied Energy, MJ/kg 49
87
Embodied Water, L/kg 100
170

Common Calculations

PREN (Pitting Resistance) 15
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 100 to 160
150
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 27 to 75
36
Strength to Weight: Bending, points 24 to 47
28
Thermal Diffusivity, mm2/s 8.3
3.5
Thermal Shock Resistance, points 23 to 63
22

Alloy Composition

Aluminum (Al), % 0
0 to 0.35
Boron (B), % 0
0.0030 to 0.010
Carbon (C), % 2.1 to 2.4
0.030 to 0.080
Chromium (Cr), % 11 to 13
13.5 to 16
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 80.6 to 86.3
49.2 to 58.5
Manganese (Mn), % 0 to 0.6
1.0 to 2.0
Molybdenum (Mo), % 0.7 to 1.2
1.0 to 1.5
Nickel (Ni), % 0 to 0.3
24 to 27
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0 to 0.6
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0
1.9 to 2.3
Vanadium (V), % 0 to 1.0
0.1 to 0.5