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EN 1.4449 Stainless Steel vs. EN 1.3967 Stainless Steel

Both EN 1.4449 stainless steel and EN 1.3967 stainless steel are iron alloys. Both are furnished in the solution annealed (AT) condition. They have 88% 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 1.4449 stainless steel and the bottom bar is EN 1.3967 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
200
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 48
22
Fatigue Strength, MPa 240
240
Impact Strength: V-Notched Charpy, J 91
74
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
79
Tensile Strength: Ultimate (UTS), MPa 620
690
Tensile Strength: Yield (Proof), MPa 250
350

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 410
440
Maximum Temperature: Mechanical, °C 960
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 3.9
4.8
Embodied Energy, MJ/kg 54
66
Embodied Water, L/kg 150
180

Common Calculations

PREN (Pitting Resistance) 27
36
Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
130
Resilience: Unit (Modulus of Resilience), kJ/m3 160
310
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22
24
Strength to Weight: Bending, points 20
22
Thermal Shock Resistance, points 14
15

Alloy Composition

Carbon (C), % 0 to 0.035
0 to 0.030
Chromium (Cr), % 17 to 18.2
20 to 21.5
Copper (Cu), % 0 to 1.0
0
Iron (Fe), % 62.4 to 69.3
50.3 to 57.8
Manganese (Mn), % 0 to 2.0
4.0 to 6.0
Molybdenum (Mo), % 2.3 to 2.8
3.0 to 3.5
Nickel (Ni), % 11.5 to 12.5
15 to 17
Niobium (Nb), % 0
0 to 0.25
Nitrogen (N), % 0 to 0.080
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