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SAE-AISI D4 Steel vs. EN 1.4527 Stainless Steel

Both SAE-AISI D4 steel and EN 1.4527 stainless steel are iron alloys. They have 57% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (8, 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 1.4527 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 8.4 to 15
40
Fatigue Strength, MPa 310 to 920
170
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 74
77
Tensile Strength: Ultimate (UTS), MPa 760 to 2060
480
Tensile Strength: Yield (Proof), MPa 470 to 1540
190

Thermal Properties

Latent Heat of Fusion, J/g 270
310
Melting Completion (Liquidus), °C 1430
1410
Melting Onset (Solidus), °C 1380
1360
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 31
15
Thermal Expansion, µm/m-K 12
15

Otherwise Unclassified Properties

Base Metal Price, % relative 8.0
32
Density, g/cm3 7.7
8.1
Embodied Carbon, kg CO2/kg material 3.3
5.6
Embodied Energy, MJ/kg 49
78
Embodied Water, L/kg 100
210

Common Calculations

PREN (Pitting Resistance) 15
29
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
17
Strength to Weight: Bending, points 24 to 47
17
Thermal Diffusivity, mm2/s 8.3
4.0
Thermal Shock Resistance, points 23 to 63
12

Alloy Composition

Carbon (C), % 2.1 to 2.4
0 to 0.060
Chromium (Cr), % 11 to 13
19 to 22
Copper (Cu), % 0 to 0.25
3.0 to 4.0
Iron (Fe), % 80.6 to 86.3
37.4 to 48.5
Manganese (Mn), % 0 to 0.6
0 to 1.5
Molybdenum (Mo), % 0.7 to 1.2
2.0 to 3.0
Nickel (Ni), % 0 to 0.3
27.5 to 30.5
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.6
0 to 1.5
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0 to 1.0
0