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EN 1.3975 Stainless Steel vs. SAE-AISI D4 Steel

Both EN 1.3975 stainless steel and SAE-AISI D4 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 EN 1.3975 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, % 27
8.4 to 15
Fatigue Strength, MPa 230
310 to 920
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
74
Tensile Strength: Ultimate (UTS), MPa 660
760 to 2060
Tensile Strength: Yield (Proof), MPa 320
470 to 1540

Thermal Properties

Latent Heat of Fusion, J/g 340
270
Melting Completion (Liquidus), °C 1360
1430
Melting Onset (Solidus), °C 1320
1380
Specific Heat Capacity, J/kg-K 500
480
Thermal Expansion, µm/m-K 16
12

Otherwise Unclassified Properties

Base Metal Price, % relative 15
8.0
Density, g/cm3 7.5
7.7
Embodied Carbon, kg CO2/kg material 3.3
3.3
Embodied Energy, MJ/kg 47
49
Embodied Water, L/kg 150
100

Common Calculations

PREN (Pitting Resistance) 21
15
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
100 to 160
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 26
25
Strength to Weight: Axial, points 24
27 to 75
Strength to Weight: Bending, points 22
24 to 47
Thermal Shock Resistance, points 15
23 to 63

Alloy Composition

Carbon (C), % 0 to 0.050
2.1 to 2.4
Chromium (Cr), % 16 to 18
11 to 13
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 58.2 to 65.4
80.6 to 86.3
Manganese (Mn), % 7.0 to 9.0
0 to 0.6
Molybdenum (Mo), % 0 to 1.0
0.7 to 1.2
Nickel (Ni), % 8.0 to 9.0
0 to 0.3
Nitrogen (N), % 0.080 to 0.18
0
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 3.5 to 4.5
0 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0
0 to 1.0