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EN 1.3967 Stainless Steel vs. EN 1.4418 Stainless Steel

Both EN 1.3967 stainless steel and EN 1.4418 stainless steel are iron alloys. They have 77% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (6, 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 1.4418 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 22
16 to 20
Fatigue Strength, MPa 240
350 to 480
Impact Strength: V-Notched Charpy, J 74
62 to 90
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
77
Tensile Strength: Ultimate (UTS), MPa 690
860 to 1000
Tensile Strength: Yield (Proof), MPa 350
540 to 790

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Maximum Temperature: Corrosion, °C 440
410
Maximum Temperature: Mechanical, °C 1070
870
Melting Completion (Liquidus), °C 1430
1450
Melting Onset (Solidus), °C 1380
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 16
10

Otherwise Unclassified Properties

Base Metal Price, % relative 25
13
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 4.8
2.8
Embodied Energy, MJ/kg 66
39
Embodied Water, L/kg 180
130

Common Calculations

PREN (Pitting Resistance) 36
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
130 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 310
730 to 1590
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24
31 to 36
Strength to Weight: Bending, points 22
26 to 28
Thermal Shock Resistance, points 15
31 to 36

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.060
Chromium (Cr), % 20 to 21.5
15 to 17
Iron (Fe), % 50.3 to 57.8
73.2 to 80.2
Manganese (Mn), % 4.0 to 6.0
0 to 1.5
Molybdenum (Mo), % 3.0 to 3.5
0.8 to 1.5
Nickel (Ni), % 15 to 17
4.0 to 6.0
Niobium (Nb), % 0 to 0.25
0
Nitrogen (N), % 0.2 to 0.35
0 to 0.020
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 0.7
Sulfur (S), % 0 to 0.010
0 to 0.015