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EN 1.4589 Stainless Steel vs. EN 1.4646 Stainless Steel

Both EN 1.4589 stainless steel and EN 1.4646 stainless steel are iron alloys. They have 81% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is EN 1.4589 stainless steel and the bottom bar is EN 1.4646 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 17
34
Fatigue Strength, MPa 260
340
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Shear Strength, MPa 400
500
Tensile Strength: Ultimate (UTS), MPa 650
750
Tensile Strength: Yield (Proof), MPa 440
430

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Corrosion, °C 470
410
Maximum Temperature: Mechanical, °C 810
910
Melting Completion (Liquidus), °C 1450
1390
Melting Onset (Solidus), °C 1400
1340
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 11
17

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
13
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 2.4
2.8
Embodied Energy, MJ/kg 34
41
Embodied Water, L/kg 110
160

Common Calculations

PREN (Pitting Resistance) 17
23
Resilience: Ultimate (Unit Rupture Work), MJ/m3 96
220
Resilience: Unit (Modulus of Resilience), kJ/m3 490
460
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 23
27
Strength to Weight: Bending, points 22
24
Thermal Shock Resistance, points 23
16

Alloy Composition

Carbon (C), % 0 to 0.080
0.020 to 0.1
Chromium (Cr), % 13.5 to 15.5
17 to 19
Copper (Cu), % 0
1.5 to 3.0
Iron (Fe), % 78.2 to 85
59 to 67.3
Manganese (Mn), % 0 to 1.0
10.5 to 12.5
Molybdenum (Mo), % 0.2 to 1.2
0 to 0.5
Nickel (Ni), % 1.0 to 2.5
3.5 to 4.5
Nitrogen (N), % 0
0.2 to 0.3
Phosphorus (P), % 0 to 0.040
0 to 0.050
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.015
Titanium (Ti), % 0.3 to 0.5
0