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EN 1.3967 Stainless Steel vs. EN 1.4658 Stainless Steel

Both EN 1.3967 stainless steel and EN 1.4658 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 (3, 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 1.4658 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
260
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 22
28
Fatigue Strength, MPa 240
530
Impact Strength: V-Notched Charpy, J 74
110
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 79
81
Tensile Strength: Ultimate (UTS), MPa 690
900
Tensile Strength: Yield (Proof), MPa 350
730

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 440
460
Maximum Temperature: Mechanical, °C 1070
1100
Melting Completion (Liquidus), °C 1430
1450
Melting Onset (Solidus), °C 1380
1400
Specific Heat Capacity, J/kg-K 470
470
Thermal Expansion, µm/m-K 16
13

Otherwise Unclassified Properties

Base Metal Price, % relative 25
25
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 4.8
4.5
Embodied Energy, MJ/kg 66
61
Embodied Water, L/kg 180
200

Common Calculations

PREN (Pitting Resistance) 36
49
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
240
Resilience: Unit (Modulus of Resilience), kJ/m3 310
1280
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24
32
Strength to Weight: Bending, points 22
26
Thermal Shock Resistance, points 15
24

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 20 to 21.5
26 to 29
Cobalt (Co), % 0
0.5 to 2.0
Copper (Cu), % 0
0 to 1.0
Iron (Fe), % 50.3 to 57.8
50.9 to 63.7
Manganese (Mn), % 4.0 to 6.0
0 to 1.5
Molybdenum (Mo), % 3.0 to 3.5
4.0 to 5.0
Nickel (Ni), % 15 to 17
5.5 to 9.5
Niobium (Nb), % 0 to 0.25
0
Nitrogen (N), % 0.2 to 0.35
0.3 to 0.5
Phosphorus (P), % 0 to 0.025
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.010
0 to 0.010