MakeItFrom.com
Menu (ESC)

EN 1.7390 Steel vs. EN 1.7375 Steel

Both EN 1.7390 steel and EN 1.7375 steel are iron alloys. Both are furnished in the normalized and tempered condition. They have a very high 97% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.7390 steel and the bottom bar is EN 1.7375 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
180
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 16
20
Fatigue Strength, MPa 310
270
Impact Strength: V-Notched Charpy, J 46
80
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
74
Shear Strength, MPa 440
380
Tensile Strength: Ultimate (UTS), MPa 710
620
Tensile Strength: Yield (Proof), MPa 480
400

Thermal Properties

Latent Heat of Fusion, J/g 260
250
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
3.9
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 100
110
Resilience: Unit (Modulus of Resilience), kJ/m3 600
420
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25
22
Strength to Weight: Bending, points 23
20
Thermal Diffusivity, mm2/s 11
11
Thermal Shock Resistance, points 20
18

Alloy Composition

Aluminum (Al), % 0
0.010 to 0.040
Carbon (C), % 0 to 0.18
0.1 to 0.15
Chromium (Cr), % 4.0 to 6.0
2.0 to 2.5
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 91.9 to 95.3
94.5 to 96.7
Manganese (Mn), % 0.3 to 0.8
0.3 to 0.8
Molybdenum (Mo), % 0.45 to 0.65
0.9 to 1.1
Nickel (Ni), % 0
0 to 0.3
Nitrogen (N), % 0
0 to 0.012
Phosphorus (P), % 0 to 0.025
0 to 0.015
Silicon (Si), % 0 to 0.4
0 to 0.3
Sulfur (S), % 0 to 0.015
0 to 0.010