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EN 1.4613 Stainless Steel vs. EN 1.4109 Stainless Steel

Both EN 1.4613 stainless steel and EN 1.4109 stainless steel are iron alloys. Both are furnished in the annealed condition. They have a moderately high 90% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4613 stainless steel and the bottom bar is EN 1.4109 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
250
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 21
19
Fatigue Strength, MPa 180
270
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 79
76
Shear Strength, MPa 330
480
Tensile Strength: Ultimate (UTS), MPa 530
770
Tensile Strength: Yield (Proof), MPa 280
420

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Corrosion, °C 550
390
Maximum Temperature: Mechanical, °C 1050
820
Melting Completion (Liquidus), °C 1430
1440
Melting Onset (Solidus), °C 1390
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 19
30
Thermal Expansion, µm/m-K 11
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
3.1

Otherwise Unclassified Properties

Base Metal Price, % relative 12
8.5
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.6
2.2
Embodied Energy, MJ/kg 38
30
Embodied Water, L/kg 150
110

Common Calculations

PREN (Pitting Resistance) 24
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 91
120
Resilience: Unit (Modulus of Resilience), kJ/m3 190
460
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 19
28
Strength to Weight: Bending, points 19
24
Thermal Diffusivity, mm2/s 5.2
8.1
Thermal Shock Resistance, points 18
28

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Carbon (C), % 0 to 0.030
0.6 to 0.75
Chromium (Cr), % 22 to 25
14 to 16
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 70.3 to 77.8
80.7 to 85
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 0 to 0.5
0.4 to 0.8
Nickel (Ni), % 0 to 0.5
0
Phosphorus (P), % 0 to 0.050
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 0.7
Sulfur (S), % 0 to 0.050
0 to 0.015
Titanium (Ti), % 0.2 to 1.0
0