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SAE-AISI D4 Steel vs. EN 1.4542 Stainless Steel

Both SAE-AISI D4 steel and EN 1.4542 stainless steel are iron alloys. They have 88% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (3, 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 1.4542 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 8.4 to 15
5.7 to 20
Fatigue Strength, MPa 310 to 920
370 to 640
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 74
76
Shear Strength, MPa 460 to 1210
550 to 860
Tensile Strength: Ultimate (UTS), MPa 760 to 2060
880 to 1470
Tensile Strength: Yield (Proof), MPa 470 to 1540
580 to 1300

Thermal Properties

Latent Heat of Fusion, J/g 270
280
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
16
Thermal Expansion, µm/m-K 12
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.2
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 5.0
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 8.0
13
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.3
2.7
Embodied Energy, MJ/kg 49
39
Embodied Water, L/kg 100
130

Common Calculations

PREN (Pitting Resistance) 15
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 100 to 160
62 to 160
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27 to 75
31 to 52
Strength to Weight: Bending, points 24 to 47
26 to 37
Thermal Diffusivity, mm2/s 8.3
4.3
Thermal Shock Resistance, points 23 to 63
29 to 49

Alloy Composition

Carbon (C), % 2.1 to 2.4
0 to 0.070
Chromium (Cr), % 11 to 13
15 to 17
Copper (Cu), % 0 to 0.25
3.0 to 5.0
Iron (Fe), % 80.6 to 86.3
69.6 to 79
Manganese (Mn), % 0 to 0.6
0 to 1.5
Molybdenum (Mo), % 0.7 to 1.2
0 to 0.6
Nickel (Ni), % 0 to 0.3
3.0 to 5.0
Niobium (Nb), % 0
0 to 0.45
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.6
0 to 0.7
Sulfur (S), % 0 to 0.030
0 to 0.015
Vanadium (V), % 0 to 1.0
0