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EN 1.4659 Stainless Steel vs. EN 1.4749 Stainless Steel

Both EN 1.4659 stainless steel and EN 1.4749 stainless steel are iron alloys. They have 66% 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 1.4659 stainless steel and the bottom bar is EN 1.4749 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
180
Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 49
16
Fatigue Strength, MPa 460
190
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 81
80
Shear Strength, MPa 640
370
Tensile Strength: Ultimate (UTS), MPa 900
600
Tensile Strength: Yield (Proof), MPa 480
320

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 440
450
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1480
1420
Melting Onset (Solidus), °C 1430
1380
Specific Heat Capacity, J/kg-K 460
490
Thermal Conductivity, W/m-K 12
17
Thermal Expansion, µm/m-K 16
9.6

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 37
13
Density, g/cm3 8.2
7.6
Embodied Carbon, kg CO2/kg material 6.5
2.5
Embodied Energy, MJ/kg 89
36
Embodied Water, L/kg 220
160

Common Calculations

PREN (Pitting Resistance) 54
31
Resilience: Ultimate (Unit Rupture Work), MJ/m3 370
80
Resilience: Unit (Modulus of Resilience), kJ/m3 550
250
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 24
26
Strength to Weight: Axial, points 31
22
Strength to Weight: Bending, points 25
21
Thermal Diffusivity, mm2/s 3.2
4.6
Thermal Shock Resistance, points 19
22

Alloy Composition

Carbon (C), % 0 to 0.020
0.15 to 0.2
Chromium (Cr), % 23 to 25
26 to 29
Copper (Cu), % 1.0 to 2.0
0
Iron (Fe), % 35.7 to 45.7
68.5 to 73.7
Manganese (Mn), % 2.0 to 4.0
0 to 1.0
Molybdenum (Mo), % 5.5 to 6.5
0
Nickel (Ni), % 21 to 23
0
Nitrogen (N), % 0.35 to 0.5
0.15 to 0.25
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.7
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.015
Tungsten (W), % 1.5 to 2.5
0