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S41045 Stainless Steel vs. EN 1.4659 Stainless Steel

Both S41045 stainless steel and EN 1.4659 stainless steel are iron alloys. They have 54% of their average alloy composition in common. There are 33 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 S41045 stainless steel and the bottom bar is EN 1.4659 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
260
Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 25
49
Fatigue Strength, MPa 160
460
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
81
Shear Strength, MPa 280
640
Tensile Strength: Ultimate (UTS), MPa 430
900
Tensile Strength: Yield (Proof), MPa 230
480

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Maximum Temperature: Corrosion, °C 430
440
Maximum Temperature: Mechanical, °C 740
1100
Melting Completion (Liquidus), °C 1450
1480
Melting Onset (Solidus), °C 1400
1430
Specific Heat Capacity, J/kg-K 480
460
Thermal Conductivity, W/m-K 29
12
Thermal Expansion, µm/m-K 10
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
37
Density, g/cm3 7.8
8.2
Embodied Carbon, kg CO2/kg material 2.2
6.5
Embodied Energy, MJ/kg 31
89
Embodied Water, L/kg 100
220

Common Calculations

PREN (Pitting Resistance) 13
54
Resilience: Ultimate (Unit Rupture Work), MJ/m3 92
370
Resilience: Unit (Modulus of Resilience), kJ/m3 140
550
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 16
31
Strength to Weight: Bending, points 16
25
Thermal Diffusivity, mm2/s 7.8
3.2
Thermal Shock Resistance, points 16
19

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.020
Chromium (Cr), % 12 to 13
23 to 25
Copper (Cu), % 0
1.0 to 2.0
Iron (Fe), % 83.8 to 88
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 to 0.5
21 to 23
Niobium (Nb), % 0 to 0.6
0
Nitrogen (N), % 0 to 0.030
0.35 to 0.5
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.7
Sulfur (S), % 0 to 0.030
0 to 0.010
Tungsten (W), % 0
1.5 to 2.5