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EN 1.4724 Stainless Steel vs. EN 1.4659 Stainless Steel

Both EN 1.4724 stainless steel and EN 1.4659 stainless steel are iron alloys. They have 55% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.4724 stainless steel and the bottom bar is EN 1.4659 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
260
Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 16
49
Fatigue Strength, MPa 170
460
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
81
Shear Strength, MPa 340
640
Tensile Strength: Ultimate (UTS), MPa 550
900
Tensile Strength: Yield (Proof), MPa 280
480

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 390
440
Maximum Temperature: Mechanical, °C 850
1100
Melting Completion (Liquidus), °C 1430
1480
Melting Onset (Solidus), °C 1390
1430
Specific Heat Capacity, J/kg-K 490
460
Thermal Conductivity, W/m-K 21
12
Thermal Expansion, µm/m-K 11
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
37
Density, g/cm3 7.7
8.2
Embodied Carbon, kg CO2/kg material 2.0
6.5
Embodied Energy, MJ/kg 28
89
Embodied Water, L/kg 110
220

Common Calculations

PREN (Pitting Resistance) 13
54
Resilience: Ultimate (Unit Rupture Work), MJ/m3 73
370
Resilience: Unit (Modulus of Resilience), kJ/m3 210
550
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 20
31
Strength to Weight: Bending, points 19
25
Thermal Diffusivity, mm2/s 5.6
3.2
Thermal Shock Resistance, points 19
19

Alloy Composition

Aluminum (Al), % 0.7 to 1.2
0
Carbon (C), % 0 to 0.12
0 to 0.020
Chromium (Cr), % 12 to 14
23 to 25
Copper (Cu), % 0
1.0 to 2.0
Iron (Fe), % 82.2 to 86.6
35.7 to 45.7
Manganese (Mn), % 0 to 1.0
2.0 to 4.0
Molybdenum (Mo), % 0
5.5 to 6.5
Nickel (Ni), % 0
21 to 23
Nitrogen (N), % 0
0.35 to 0.5
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0.7 to 1.4
0 to 0.7
Sulfur (S), % 0 to 0.015
0 to 0.010
Tungsten (W), % 0
1.5 to 2.5