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SAE-AISI D3 Steel vs. EN 1.3975 Stainless Steel

Both SAE-AISI D3 steel and EN 1.3975 stainless steel are iron alloys. They have 75% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI D3 steel and the bottom bar is EN 1.3975 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 9.8 to 15
27
Fatigue Strength, MPa 310 to 940
230
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 74
76
Tensile Strength: Ultimate (UTS), MPa 770 to 2050
660
Tensile Strength: Yield (Proof), MPa 480 to 1550
320

Thermal Properties

Latent Heat of Fusion, J/g 270
340
Melting Completion (Liquidus), °C 1430
1360
Melting Onset (Solidus), °C 1390
1320
Specific Heat Capacity, J/kg-K 480
500
Thermal Expansion, µm/m-K 12
16

Otherwise Unclassified Properties

Base Metal Price, % relative 8.0
15
Density, g/cm3 7.7
7.5
Embodied Carbon, kg CO2/kg material 3.2
3.3
Embodied Energy, MJ/kg 48
47
Embodied Water, L/kg 100
150

Common Calculations

PREN (Pitting Resistance) 13
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 97 to 180
150
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
26
Strength to Weight: Axial, points 28 to 74
24
Strength to Weight: Bending, points 24 to 47
22
Thermal Shock Resistance, points 23 to 63
15

Alloy Composition

Carbon (C), % 2.0 to 2.4
0 to 0.050
Chromium (Cr), % 11 to 13.5
16 to 18
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 80.3 to 87
58.2 to 65.4
Manganese (Mn), % 0 to 0.6
7.0 to 9.0
Molybdenum (Mo), % 0
0 to 1.0
Nickel (Ni), % 0 to 0.3
8.0 to 9.0
Nitrogen (N), % 0
0.080 to 0.18
Phosphorus (P), % 0 to 0.030
0 to 0.045
Silicon (Si), % 0 to 0.6
3.5 to 4.5
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 0 to 1.0
0
Vanadium (V), % 0 to 1.0
0