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EN 1.4109 Stainless Steel vs. EN 1.4113 Stainless Steel

Both EN 1.4109 stainless steel and EN 1.4113 stainless steel are iron alloys. Both are furnished in the annealed condition. They have a very high 97% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4109 stainless steel and the bottom bar is EN 1.4113 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
180
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 19
20
Fatigue Strength, MPa 270
200
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
78
Shear Strength, MPa 480
340
Tensile Strength: Ultimate (UTS), MPa 770
540
Tensile Strength: Yield (Proof), MPa 420
310

Thermal Properties

Latent Heat of Fusion, J/g 280
280
Maximum Temperature: Corrosion, °C 390
410
Maximum Temperature: Mechanical, °C 820
880
Melting Completion (Liquidus), °C 1440
1450
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 30
25
Thermal Expansion, µm/m-K 10
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.7
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 3.1
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
9.5
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.2
2.4
Embodied Energy, MJ/kg 30
33
Embodied Water, L/kg 110
120

Common Calculations

PREN (Pitting Resistance) 17
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
94
Resilience: Unit (Modulus of Resilience), kJ/m3 460
240
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 28
19
Strength to Weight: Bending, points 24
19
Thermal Diffusivity, mm2/s 8.1
6.7
Thermal Shock Resistance, points 28
20

Alloy Composition

Carbon (C), % 0.6 to 0.75
0 to 0.080
Chromium (Cr), % 14 to 16
16 to 18
Iron (Fe), % 80.7 to 85
78.5 to 83.1
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 0.4 to 0.8
0.9 to 1.4
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 0.7
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.015