MakeItFrom.com
Menu (ESC)

EN 1.3553 Steel vs. EN 1.7779 Steel

Both EN 1.3553 steel and EN 1.7779 steel are iron alloys. They have 87% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is EN 1.3553 steel and the bottom bar is EN 1.7779 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
240
Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 77
73
Tensile Strength: Ultimate (UTS), MPa 720
810

Thermal Properties

Latent Heat of Fusion, J/g 260
260
Maximum Temperature: Mechanical, °C 540
470
Melting Completion (Liquidus), °C 1620
1460
Melting Onset (Solidus), °C 1570
1420
Specific Heat Capacity, J/kg-K 440
470
Thermal Conductivity, W/m-K 24
39
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
7.7
Electrical Conductivity: Equal Weight (Specific), % IACS 11
8.9

Otherwise Unclassified Properties

Base Metal Price, % relative 24
4.0
Density, g/cm3 8.4
7.8
Embodied Carbon, kg CO2/kg material 8.5
2.8
Embodied Energy, MJ/kg 130
41
Embodied Water, L/kg 96
64

Common Calculations

PREN (Pitting Resistance) 31
5.0
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 24
29
Strength to Weight: Bending, points 21
25
Thermal Diffusivity, mm2/s 6.4
11
Thermal Shock Resistance, points 21
23

Alloy Composition

Aluminum (Al), % 0
0 to 0.040
Carbon (C), % 0.78 to 0.86
0.17 to 0.23
Chromium (Cr), % 3.9 to 4.3
3.0 to 3.3
Copper (Cu), % 0 to 0.3
0 to 0.3
Iron (Fe), % 80.7 to 83.7
93.8 to 95.4
Manganese (Mn), % 0 to 0.4
0.3 to 0.5
Molybdenum (Mo), % 4.7 to 5.2
0.5 to 0.6
Nickel (Ni), % 0
0 to 0.3
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0 to 0.4
0.15 to 0.35
Sulfur (S), % 0 to 0.015
0 to 0.010
Tungsten (W), % 6.0 to 6.7
0
Vanadium (V), % 1.7 to 2.0
0.45 to 0.55