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EN 1.3967 Stainless Steel vs. EN 1.4408 Stainless Steel

Both EN 1.3967 stainless steel and EN 1.4408 stainless steel are iron alloys. Both are furnished in the solution annealed (AT) condition. 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 (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.3967 stainless steel and the bottom bar is EN 1.4408 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
150
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 22
34
Fatigue Strength, MPa 240
170
Impact Strength: V-Notched Charpy, J 74
67
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
78
Tensile Strength: Ultimate (UTS), MPa 690
510
Tensile Strength: Yield (Proof), MPa 350
210

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 440
420
Maximum Temperature: Mechanical, °C 1070
990
Melting Completion (Liquidus), °C 1430
1440
Melting Onset (Solidus), °C 1380
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 16
16

Otherwise Unclassified Properties

Base Metal Price, % relative 25
18
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 4.8
3.7
Embodied Energy, MJ/kg 66
52
Embodied Water, L/kg 180
150

Common Calculations

PREN (Pitting Resistance) 36
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
140
Resilience: Unit (Modulus of Resilience), kJ/m3 310
110
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24
18
Strength to Weight: Bending, points 22
18
Thermal Shock Resistance, points 15
11

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.070
Chromium (Cr), % 20 to 21.5
18 to 20
Iron (Fe), % 50.3 to 57.8
62.4 to 71
Manganese (Mn), % 4.0 to 6.0
0 to 1.5
Molybdenum (Mo), % 3.0 to 3.5
2.0 to 2.5
Nickel (Ni), % 15 to 17
9.0 to 12
Niobium (Nb), % 0 to 0.25
0
Nitrogen (N), % 0.2 to 0.35
0
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.5
Sulfur (S), % 0 to 0.010
0 to 0.030