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EN 1.4401 Stainless Steel vs. EN 1.3967 Stainless Steel

Both EN 1.4401 stainless steel and EN 1.3967 stainless steel are iron alloys. They have 87% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is EN 1.4401 stainless steel and the bottom bar is EN 1.3967 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 270
200
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 14 to 40
22
Fatigue Strength, MPa 200 to 320
240
Impact Strength: V-Notched Charpy, J 91 to 94
74
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
79
Tensile Strength: Ultimate (UTS), MPa 600 to 900
690
Tensile Strength: Yield (Proof), MPa 230 to 570
350

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 410
440
Maximum Temperature: Mechanical, °C 950
1070
Melting Completion (Liquidus), °C 1440
1430
Melting Onset (Solidus), °C 1400
1380
Specific Heat Capacity, J/kg-K 470
470
Thermal Expansion, µm/m-K 16
16

Otherwise Unclassified Properties

Base Metal Price, % relative 19
25
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 3.8
4.8
Embodied Energy, MJ/kg 52
66
Embodied Water, L/kg 150
180

Common Calculations

PREN (Pitting Resistance) 26
36
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 190
130
Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 800
310
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21 to 32
24
Strength to Weight: Bending, points 20 to 26
22
Thermal Shock Resistance, points 13 to 20
15

Alloy Composition

Carbon (C), % 0 to 0.070
0 to 0.030
Chromium (Cr), % 16.5 to 18.5
20 to 21.5
Iron (Fe), % 62.8 to 71.5
50.3 to 57.8
Manganese (Mn), % 0 to 2.0
4.0 to 6.0
Molybdenum (Mo), % 2.0 to 2.5
3.0 to 3.5
Nickel (Ni), % 10 to 13
15 to 17
Niobium (Nb), % 0
0 to 0.25
Nitrogen (N), % 0 to 0.1
0.2 to 0.35
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.010