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S40910 Stainless Steel vs. EN 1.4589 Stainless Steel

Both S40910 stainless steel and EN 1.4589 stainless steel are iron alloys. Both are furnished in the annealed condition. They have a moderately high 94% 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 S40910 stainless steel and the bottom bar is EN 1.4589 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 23
17
Fatigue Strength, MPa 130
260
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
77
Shear Strength, MPa 270
400
Tensile Strength: Ultimate (UTS), MPa 430
650
Tensile Strength: Yield (Proof), MPa 190
440

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Maximum Temperature: Corrosion, °C 440
470
Maximum Temperature: Mechanical, °C 710
810
Melting Completion (Liquidus), °C 1450
1450
Melting Onset (Solidus), °C 1410
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 26
25
Thermal Expansion, µm/m-K 10
11

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
9.5
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.0
2.4
Embodied Energy, MJ/kg 28
34
Embodied Water, L/kg 94
110

Common Calculations

PREN (Pitting Resistance) 11
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 80
96
Resilience: Unit (Modulus of Resilience), kJ/m3 94
490
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 16
23
Strength to Weight: Bending, points 16
22
Thermal Diffusivity, mm2/s 6.9
6.7
Thermal Shock Resistance, points 16
23

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.080
Chromium (Cr), % 10.5 to 11.7
13.5 to 15.5
Iron (Fe), % 85 to 89.5
78.2 to 85
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 0
0.2 to 1.2
Nickel (Ni), % 0 to 0.5
1.0 to 2.5
Niobium (Nb), % 0 to 0.17
0
Nitrogen (N), % 0 to 0.030
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.015
Titanium (Ti), % 0 to 0.5
0.3 to 0.5