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EN 1.7711 Steel vs. EN 1.4865 Stainless Steel

Both EN 1.7711 steel and EN 1.4865 stainless steel are iron alloys. They have 42% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.7711 steel and the bottom bar is EN 1.4865 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 280
140
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 16 to 22
6.8
Fatigue Strength, MPa 290 to 520
120
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Tensile Strength: Ultimate (UTS), MPa 690 to 930
470
Tensile Strength: Yield (Proof), MPa 400 to 800
250

Thermal Properties

Latent Heat of Fusion, J/g 250
320
Maximum Temperature: Mechanical, °C 430
1020
Melting Completion (Liquidus), °C 1460
1380
Melting Onset (Solidus), °C 1420
1330
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 33
12
Thermal Expansion, µm/m-K 11
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 3.0
33
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 2.3
5.8
Embodied Energy, MJ/kg 32
81
Embodied Water, L/kg 54
200

Common Calculations

PREN (Pitting Resistance) 2.9
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130 to 140
27
Resilience: Unit (Modulus of Resilience), kJ/m3 430 to 1690
160
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 24 to 33
16
Strength to Weight: Bending, points 22 to 27
17
Thermal Diffusivity, mm2/s 8.9
3.1
Thermal Shock Resistance, points 24 to 32
11

Alloy Composition

Aluminum (Al), % 0 to 0.015
0
Carbon (C), % 0.36 to 0.44
0.3 to 0.5
Chromium (Cr), % 0.9 to 1.2
18 to 21
Iron (Fe), % 96 to 97.5
34.4 to 44.7
Manganese (Mn), % 0.45 to 0.85
0 to 2.0
Molybdenum (Mo), % 0.5 to 0.65
0 to 0.5
Nickel (Ni), % 0
36 to 39
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.4
1.0 to 2.5
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0.25 to 0.35
0