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EN 1.4539 Stainless Steel vs. EN 1.7767 Steel

Both EN 1.4539 stainless steel and EN 1.7767 steel are iron alloys. They have 52% 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 1.4539 stainless steel and the bottom bar is EN 1.7767 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
200 to 210
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 38
20
Fatigue Strength, MPa 220
320 to 340
Impact Strength: V-Notched Charpy, J 90
46
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 79
74
Shear Strength, MPa 430
420 to 430
Tensile Strength: Ultimate (UTS), MPa 630
670 to 690
Tensile Strength: Yield (Proof), MPa 260
460 to 500

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
480
Melting Completion (Liquidus), °C 1440
1470
Melting Onset (Solidus), °C 1390
1430
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 12
40
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
7.7
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
8.9

Otherwise Unclassified Properties

Base Metal Price, % relative 31
4.5
Density, g/cm3 8.1
7.9
Embodied Carbon, kg CO2/kg material 5.7
2.4
Embodied Energy, MJ/kg 78
33
Embodied Water, L/kg 200
64

Common Calculations

PREN (Pitting Resistance) 36
6.4
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
120 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 160
570 to 650
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22
24
Strength to Weight: Bending, points 20
22
Thermal Diffusivity, mm2/s 3.2
11
Thermal Shock Resistance, points 14
19 to 20

Alloy Composition

Carbon (C), % 0 to 0.020
0.1 to 0.15
Chromium (Cr), % 19 to 21
2.8 to 3.3
Copper (Cu), % 1.2 to 2.0
0 to 0.25
Iron (Fe), % 43.1 to 51.8
93.8 to 95.8
Manganese (Mn), % 0 to 2.0
0.3 to 0.6
Molybdenum (Mo), % 4.0 to 5.0
0.9 to 1.1
Nickel (Ni), % 24 to 26
0 to 0.25
Niobium (Nb), % 0
0 to 0.070
Nitrogen (N), % 0 to 0.15
0 to 0.012
Phosphorus (P), % 0 to 0.030
0 to 0.015
Silicon (Si), % 0 to 0.7
0 to 0.15
Sulfur (S), % 0 to 0.010
0 to 0.0050
Titanium (Ti), % 0
0 to 0.030
Vanadium (V), % 0
0.2 to 0.3