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EN 1.4659 Stainless Steel vs. EN 1.4034 Stainless Steel

Both EN 1.4659 stainless steel and EN 1.4034 stainless steel are iron alloys. They have 55% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, 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 1.4034 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 49
11 to 14
Fatigue Strength, MPa 460
230 to 400
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 81
76
Shear Strength, MPa 640
420 to 540
Tensile Strength: Ultimate (UTS), MPa 900
690 to 900
Tensile Strength: Yield (Proof), MPa 480
390 to 730

Thermal Properties

Latent Heat of Fusion, J/g 300
270
Maximum Temperature: Corrosion, °C 440
390
Maximum Temperature: Mechanical, °C 1100
770
Melting Completion (Liquidus), °C 1480
1440
Melting Onset (Solidus), °C 1430
1390
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 12
30
Thermal Expansion, µm/m-K 16
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
3.1
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
3.7

Otherwise Unclassified Properties

Base Metal Price, % relative 37
7.0
Density, g/cm3 8.2
7.7
Embodied Carbon, kg CO2/kg material 6.5
2.0
Embodied Energy, MJ/kg 89
27
Embodied Water, L/kg 220
100

Common Calculations

PREN (Pitting Resistance) 54
14
Resilience: Ultimate (Unit Rupture Work), MJ/m3 370
81 to 94
Resilience: Unit (Modulus of Resilience), kJ/m3 550
400 to 1370
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 31
25 to 32
Strength to Weight: Bending, points 25
22 to 27
Thermal Diffusivity, mm2/s 3.2
8.1
Thermal Shock Resistance, points 19
24 to 32

Alloy Composition

Carbon (C), % 0 to 0.020
0.43 to 0.5
Chromium (Cr), % 23 to 25
12.5 to 14.5
Copper (Cu), % 1.0 to 2.0
0
Iron (Fe), % 35.7 to 45.7
83 to 87.1
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
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