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EN 1.4658 Stainless Steel vs. EN 1.3967 Stainless Steel

Both EN 1.4658 stainless steel and EN 1.3967 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 1.4658 stainless steel and the bottom bar is EN 1.3967 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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