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EN 1.4589 Stainless Steel vs. EN 1.4662 Stainless Steel

Both EN 1.4589 stainless steel and EN 1.4662 stainless steel are iron alloys. They have 84% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4589 stainless steel and the bottom bar is EN 1.4662 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 17
28
Fatigue Strength, MPa 260
430 to 450
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 77
79
Shear Strength, MPa 400
520 to 540
Tensile Strength: Ultimate (UTS), MPa 650
810 to 830
Tensile Strength: Yield (Proof), MPa 440
580 to 620

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Corrosion, °C 470
440
Maximum Temperature: Mechanical, °C 810
1090
Melting Completion (Liquidus), °C 1450
1430
Melting Onset (Solidus), °C 1400
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 25
15
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
16
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 2.4
3.2
Embodied Energy, MJ/kg 34
45
Embodied Water, L/kg 110
170

Common Calculations

PREN (Pitting Resistance) 17
33
Resilience: Ultimate (Unit Rupture Work), MJ/m3 96
210
Resilience: Unit (Modulus of Resilience), kJ/m3 490
840 to 940
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 23
29 to 30
Strength to Weight: Bending, points 22
25
Thermal Diffusivity, mm2/s 6.7
3.9
Thermal Shock Resistance, points 23
22

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.030
Chromium (Cr), % 13.5 to 15.5
23 to 25
Copper (Cu), % 0
0.1 to 0.8
Iron (Fe), % 78.2 to 85
62.6 to 70.2
Manganese (Mn), % 0 to 1.0
2.5 to 4.0
Molybdenum (Mo), % 0.2 to 1.2
1.0 to 2.0
Nickel (Ni), % 1.0 to 2.5
3.0 to 4.5
Nitrogen (N), % 0
0.2 to 0.3
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 0.7
Sulfur (S), % 0 to 0.015
0 to 0.0050
Titanium (Ti), % 0.3 to 0.5
0