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EN 1.4539 Stainless Steel vs. EN 1.4307 Stainless Steel

Both EN 1.4539 stainless steel and EN 1.4307 stainless steel are iron alloys. They have 77% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4539 stainless steel and the bottom bar is EN 1.4307 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
180 to 270
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 38
14 to 46
Fatigue Strength, MPa 220
190 to 320
Impact Strength: V-Notched Charpy, J 90
91 to 94
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
77
Shear Strength, MPa 430
410 to 550
Tensile Strength: Ultimate (UTS), MPa 630
590 to 900
Tensile Strength: Yield (Proof), MPa 260
200 to 570

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 420
420
Maximum Temperature: Mechanical, °C 1100
940
Melting Completion (Liquidus), °C 1440
1430
Melting Onset (Solidus), °C 1390
1380
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 12
15
Thermal Expansion, µm/m-K 16
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 31
15
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 5.7
3.0
Embodied Energy, MJ/kg 78
43
Embodied Water, L/kg 200
140

Common Calculations

PREN (Pitting Resistance) 36
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
110 to 210
Resilience: Unit (Modulus of Resilience), kJ/m3 160
100 to 810
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 22
21 to 32
Strength to Weight: Bending, points 20
20 to 27
Thermal Diffusivity, mm2/s 3.2
4.0
Thermal Shock Resistance, points 14
13 to 20

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.030
Chromium (Cr), % 19 to 21
17.5 to 19.5
Copper (Cu), % 1.2 to 2.0
0
Iron (Fe), % 43.1 to 51.8
66.8 to 74.5
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 4.0 to 5.0
0
Nickel (Ni), % 24 to 26
8.0 to 10.5
Nitrogen (N), % 0 to 0.15
0 to 0.1
Phosphorus (P), % 0 to 0.030
0 to 0.045
Silicon (Si), % 0 to 0.7
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.015