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EN 1.7767 Steel vs. EN 1.4515 Stainless Steel

Both EN 1.7767 steel and EN 1.4515 stainless steel are iron alloys. They have 67% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.7767 steel and the bottom bar is EN 1.4515 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 20
25
Fatigue Strength, MPa 320 to 340
380
Impact Strength: V-Notched Charpy, J 46
67
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 74
80
Tensile Strength: Ultimate (UTS), MPa 670 to 690
730
Tensile Strength: Yield (Proof), MPa 460 to 500
550

Thermal Properties

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

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.7
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.9
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 4.5
19
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 2.4
3.8
Embodied Energy, MJ/kg 33
53
Embodied Water, L/kg 64
180

Common Calculations

PREN (Pitting Resistance) 6.4
38
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 130
170
Resilience: Unit (Modulus of Resilience), kJ/m3 570 to 650
730
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 24
26
Strength to Weight: Bending, points 22
23
Thermal Diffusivity, mm2/s 11
4.3
Thermal Shock Resistance, points 19 to 20
20

Alloy Composition

Carbon (C), % 0.1 to 0.15
0 to 0.030
Chromium (Cr), % 2.8 to 3.3
24.5 to 26.5
Copper (Cu), % 0 to 0.25
0.8 to 1.3
Iron (Fe), % 93.8 to 95.8
58.4 to 66.6
Manganese (Mn), % 0.3 to 0.6
0 to 2.0
Molybdenum (Mo), % 0.9 to 1.1
2.5 to 3.5
Nickel (Ni), % 0 to 0.25
5.5 to 7.0
Niobium (Nb), % 0 to 0.070
0
Nitrogen (N), % 0 to 0.012
0.12 to 0.25
Phosphorus (P), % 0 to 0.015
0 to 0.030
Silicon (Si), % 0 to 0.15
0 to 1.0
Sulfur (S), % 0 to 0.0050
0 to 0.020
Titanium (Ti), % 0 to 0.030
0
Vanadium (V), % 0.2 to 0.3
0