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AISI 440B Stainless Steel vs. EN 1.3975 Stainless Steel

Both AISI 440B stainless steel and EN 1.3975 stainless steel are iron alloys. They have 80% 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 AISI 440B stainless steel and the bottom bar is EN 1.3975 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 3.0 to 18
27
Fatigue Strength, MPa 260 to 850
230
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
76
Tensile Strength: Ultimate (UTS), MPa 740 to 1930
660
Tensile Strength: Yield (Proof), MPa 430 to 1860
320

Thermal Properties

Latent Heat of Fusion, J/g 280
340
Maximum Temperature: Corrosion, °C 390
410
Maximum Temperature: Mechanical, °C 870
910
Melting Completion (Liquidus), °C 1480
1360
Melting Onset (Solidus), °C 1370
1320
Specific Heat Capacity, J/kg-K 480
500
Thermal Expansion, µm/m-K 10
16

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
15
Density, g/cm3 7.7
7.5
Embodied Carbon, kg CO2/kg material 2.2
3.3
Embodied Energy, MJ/kg 31
47
Embodied Water, L/kg 120
150

Common Calculations

PREN (Pitting Resistance) 18
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 57 to 110
150
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
26
Strength to Weight: Axial, points 27 to 70
24
Strength to Weight: Bending, points 24 to 45
22
Thermal Shock Resistance, points 27 to 70
15

Alloy Composition

Carbon (C), % 0.75 to 1.0
0 to 0.050
Chromium (Cr), % 16 to 18
16 to 18
Iron (Fe), % 78.2 to 83.3
58.2 to 65.4
Manganese (Mn), % 0 to 1.0
7.0 to 9.0
Molybdenum (Mo), % 0 to 0.75
0 to 1.0
Nickel (Ni), % 0
8.0 to 9.0
Nitrogen (N), % 0
0.080 to 0.18
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 1.0
3.5 to 4.5
Sulfur (S), % 0 to 0.015
0 to 0.030