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EN 1.4849 Stainless Steel vs. SAE-AISI D4 Steel

Both EN 1.4849 stainless steel and SAE-AISI D4 steel are iron alloys. They have 51% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is EN 1.4849 stainless steel and the bottom bar is SAE-AISI D4 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 4.5
8.4 to 15
Fatigue Strength, MPa 120
310 to 920
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
74
Tensile Strength: Ultimate (UTS), MPa 480
760 to 2060
Tensile Strength: Yield (Proof), MPa 250
470 to 1540

Thermal Properties

Latent Heat of Fusion, J/g 320
270
Melting Completion (Liquidus), °C 1390
1430
Melting Onset (Solidus), °C 1340
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 12
31
Thermal Expansion, µm/m-K 15
12

Otherwise Unclassified Properties

Base Metal Price, % relative 42
8.0
Density, g/cm3 8.0
7.7
Embodied Carbon, kg CO2/kg material 7.1
3.3
Embodied Energy, MJ/kg 100
49
Embodied Water, L/kg 200
100

Common Calculations

PREN (Pitting Resistance) 20
15
Resilience: Ultimate (Unit Rupture Work), MJ/m3 18
100 to 160
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 17
27 to 75
Strength to Weight: Bending, points 17
24 to 47
Thermal Diffusivity, mm2/s 3.2
8.3
Thermal Shock Resistance, points 11
23 to 63

Alloy Composition

Carbon (C), % 0.3 to 0.5
2.1 to 2.4
Chromium (Cr), % 18 to 21
11 to 13
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 32.6 to 43.5
80.6 to 86.3
Manganese (Mn), % 0 to 2.0
0 to 0.6
Molybdenum (Mo), % 0 to 0.5
0.7 to 1.2
Nickel (Ni), % 36 to 39
0 to 0.3
Niobium (Nb), % 1.2 to 1.8
0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 1.0 to 2.5
0 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0
0 to 1.0