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EN 1.4597 Stainless Steel vs. EN 1.4109 Stainless Steel

Both EN 1.4597 stainless steel and EN 1.4109 stainless steel are iron alloys. They have 86% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.4597 stainless steel and the bottom bar is EN 1.4109 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
250
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 45
19
Fatigue Strength, MPa 300
270
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
76
Shear Strength, MPa 470
480
Tensile Strength: Ultimate (UTS), MPa 680
770
Tensile Strength: Yield (Proof), MPa 330
420

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Corrosion, °C 410
390
Maximum Temperature: Mechanical, °C 860
820
Melting Completion (Liquidus), °C 1400
1440
Melting Onset (Solidus), °C 1350
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
30
Thermal Expansion, µm/m-K 17
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
3.1

Otherwise Unclassified Properties

Base Metal Price, % relative 11
8.5
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.5
2.2
Embodied Energy, MJ/kg 36
30
Embodied Water, L/kg 140
110

Common Calculations

PREN (Pitting Resistance) 21
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 250
120
Resilience: Unit (Modulus of Resilience), kJ/m3 280
460
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25
28
Strength to Weight: Bending, points 22
24
Thermal Diffusivity, mm2/s 4.1
8.1
Thermal Shock Resistance, points 15
28

Alloy Composition

Carbon (C), % 0 to 0.1
0.6 to 0.75
Chromium (Cr), % 15 to 18
14 to 16
Copper (Cu), % 2.0 to 3.5
0
Iron (Fe), % 63 to 76.4
80.7 to 85
Manganese (Mn), % 6.5 to 9.0
0 to 1.0
Molybdenum (Mo), % 0 to 1.0
0.4 to 0.8
Nickel (Ni), % 0 to 3.0
0
Nitrogen (N), % 0.1 to 0.3
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 2.0
0 to 0.7
Sulfur (S), % 0 to 0.030
0 to 0.015