MakeItFrom.com
Menu (ESC)

EN 1.6781 Steel vs. EN 1.4361 Stainless Steel

Both EN 1.6781 steel and EN 1.4361 stainless steel are iron alloys. They have 68% 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 1.6781 steel and the bottom bar is EN 1.4361 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
200
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 17
43
Fatigue Strength, MPa 450
220
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
75
Tensile Strength: Ultimate (UTS), MPa 830
630
Tensile Strength: Yield (Proof), MPa 680
250

Thermal Properties

Latent Heat of Fusion, J/g 260
350
Maximum Temperature: Mechanical, °C 450
940
Melting Completion (Liquidus), °C 1460
1370
Melting Onset (Solidus), °C 1420
1330
Specific Heat Capacity, J/kg-K 470
490
Thermal Conductivity, W/m-K 44
14
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.9
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 9.1
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 5.0
19
Density, g/cm3 7.9
7.6
Embodied Carbon, kg CO2/kg material 1.9
3.6
Embodied Energy, MJ/kg 25
52
Embodied Water, L/kg 60
150

Common Calculations

PREN (Pitting Resistance) 3.3
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
220
Resilience: Unit (Modulus of Resilience), kJ/m3 1220
160
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 29
23
Strength to Weight: Bending, points 25
21
Thermal Diffusivity, mm2/s 12
3.7
Thermal Shock Resistance, points 24
15

Alloy Composition

Carbon (C), % 0.15 to 0.19
0 to 0.015
Chromium (Cr), % 1.3 to 1.8
16.5 to 18.5
Iron (Fe), % 92.6 to 94.6
58.7 to 65.8
Manganese (Mn), % 0.55 to 0.8
0 to 2.0
Molybdenum (Mo), % 0.45 to 0.6
0 to 0.2
Nickel (Ni), % 3.0 to 3.5
14 to 16
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.015
0 to 0.025
Silicon (Si), % 0 to 0.5
3.7 to 4.5
Sulfur (S), % 0 to 0.015
0 to 0.010