MakeItFrom.com
Menu (ESC)

EN 1.7366 Steel vs. EN 1.7380 Steel

Both EN 1.7366 steel and EN 1.7380 steel are iron alloys. They have a very high 97% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.7366 steel and the bottom bar is EN 1.7380 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140 to 210
160 to 170
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 17 to 19
19 to 20
Fatigue Strength, MPa 160 to 320
200 to 230
Impact Strength: V-Notched Charpy, J 38
31 to 35
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
74
Shear Strength, MPa 290 to 440
330 to 350
Tensile Strength: Ultimate (UTS), MPa 460 to 710
540 to 550
Tensile Strength: Yield (Proof), MPa 230 to 480
290 to 330

Thermal Properties

Latent Heat of Fusion, J/g 260
260
Maximum Temperature: Mechanical, °C 510
460
Melting Completion (Liquidus), °C 1460
1470
Melting Onset (Solidus), °C 1420
1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 40
39
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.1
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 9.3
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 4.3
3.8
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.7
1.8
Embodied Energy, MJ/kg 23
23
Embodied Water, L/kg 69
59

Common Calculations

PREN (Pitting Resistance) 6.8
5.6
Resilience: Ultimate (Unit Rupture Work), MJ/m3 74 to 110
87 to 98
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 600
230 to 280
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 16 to 25
19 to 20
Strength to Weight: Bending, points 17 to 23
19
Thermal Diffusivity, mm2/s 11
11
Thermal Shock Resistance, points 13 to 20
15 to 16

Alloy Composition

Carbon (C), % 0 to 0.18
0.080 to 0.14
Chromium (Cr), % 4.0 to 6.0
2.0 to 2.5
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 91.9 to 95.3
94.6 to 96.6
Manganese (Mn), % 0.3 to 0.8
0.4 to 0.8
Molybdenum (Mo), % 0.45 to 0.65
0.9 to 1.1
Nitrogen (N), % 0
0 to 0.012
Phosphorus (P), % 0 to 0.025
0 to 0.020
Silicon (Si), % 0 to 0.4
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.010

Comparable Variants