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AISI 440B Stainless Steel vs. EN 1.3967 Stainless Steel

Both AISI 440B stainless steel and EN 1.3967 stainless steel are iron alloys. They have 72% 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 AISI 440B stainless steel and the bottom bar is EN 1.3967 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 3.0 to 18
22
Fatigue Strength, MPa 260 to 850
240
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
79
Tensile Strength: Ultimate (UTS), MPa 740 to 1930
690
Tensile Strength: Yield (Proof), MPa 430 to 1860
350

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Corrosion, °C 390
440
Maximum Temperature: Mechanical, °C 870
1070
Melting Completion (Liquidus), °C 1480
1430
Melting Onset (Solidus), °C 1370
1380
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 10
16

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
25
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.2
4.8
Embodied Energy, MJ/kg 31
66
Embodied Water, L/kg 120
180

Common Calculations

PREN (Pitting Resistance) 18
36
Resilience: Ultimate (Unit Rupture Work), MJ/m3 57 to 110
130
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
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 0.030
Chromium (Cr), % 16 to 18
20 to 21.5
Iron (Fe), % 78.2 to 83.3
50.3 to 57.8
Manganese (Mn), % 0 to 1.0
4.0 to 6.0
Molybdenum (Mo), % 0 to 0.75
3.0 to 3.5
Nickel (Ni), % 0
15 to 17
Niobium (Nb), % 0
0 to 0.25
Nitrogen (N), % 0
0.2 to 0.35
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.010