MakeItFrom.com
Menu (ESC)

EN 1.4104 Stainless Steel vs. EN 1.4589 Stainless Steel

Both EN 1.4104 stainless steel and EN 1.4589 stainless steel are iron alloys. They have a very high 97% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4104 stainless steel and the bottom bar is EN 1.4589 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 11 to 23
17
Fatigue Strength, MPa 230 to 310
260
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Shear Strength, MPa 400 to 450
400
Tensile Strength: Ultimate (UTS), MPa 630 to 750
650
Tensile Strength: Yield (Proof), MPa 350 to 560
440

Thermal Properties

Latent Heat of Fusion, J/g 280
280
Maximum Temperature: Corrosion, °C 410
470
Maximum Temperature: Mechanical, °C 860
810
Melting Completion (Liquidus), °C 1440
1450
Melting Onset (Solidus), °C 1390
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 25
25
Thermal Expansion, µm/m-K 10
11

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
9.5
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.2
2.4
Embodied Energy, MJ/kg 30
34
Embodied Water, L/kg 120
110

Common Calculations

PREN (Pitting Resistance) 18
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 77 to 120
96
Resilience: Unit (Modulus of Resilience), kJ/m3 310 to 800
490
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 23 to 27
23
Strength to Weight: Bending, points 21 to 24
22
Thermal Diffusivity, mm2/s 6.7
6.7
Thermal Shock Resistance, points 22 to 27
23

Alloy Composition

Carbon (C), % 0.1 to 0.17
0 to 0.080
Chromium (Cr), % 15.5 to 17.5
13.5 to 15.5
Iron (Fe), % 78.8 to 84.1
78.2 to 85
Manganese (Mn), % 0 to 1.5
0 to 1.0
Molybdenum (Mo), % 0.2 to 0.6
0.2 to 1.2
Nickel (Ni), % 0
1.0 to 2.5
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0.15 to 0.35
0 to 0.015
Titanium (Ti), % 0
0.3 to 0.5