MakeItFrom.com
Menu (ESC)

EN 1.7390 Steel vs. EN 1.4150 Stainless Steel

Both EN 1.7390 steel and EN 1.4150 stainless steel are iron alloys. They have 87% of their average alloy composition in common. There are 32 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 1.7390 steel and the bottom bar is EN 1.4150 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
220
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 16
20
Fatigue Strength, MPa 310
270
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
76
Shear Strength, MPa 440
460
Tensile Strength: Ultimate (UTS), MPa 710
730
Tensile Strength: Yield (Proof), MPa 480
430

Thermal Properties

Latent Heat of Fusion, J/g 260
290
Maximum Temperature: Mechanical, °C 510
840
Melting Completion (Liquidus), °C 1460
1420
Melting Onset (Solidus), °C 1420
1380
Specific Heat Capacity, J/kg-K 470
490
Thermal Conductivity, W/m-K 40
23
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.1
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 9.3
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 4.3
8.5
Density, g/cm3 7.8
7.6
Embodied Carbon, kg CO2/kg material 1.7
2.8
Embodied Energy, MJ/kg 23
42
Embodied Water, L/kg 69
120

Common Calculations

PREN (Pitting Resistance) 6.8
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
120
Resilience: Unit (Modulus of Resilience), kJ/m3 600
470
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25
27
Strength to Weight: Bending, points 23
24
Thermal Diffusivity, mm2/s 11
6.2
Thermal Shock Resistance, points 20
27

Alloy Composition

Carbon (C), % 0 to 0.18
0.45 to 0.6
Chromium (Cr), % 4.0 to 6.0
15 to 16.5
Iron (Fe), % 91.9 to 95.3
79 to 82.8
Manganese (Mn), % 0.3 to 0.8
0 to 0.8
Molybdenum (Mo), % 0.45 to 0.65
0.2 to 0.4
Nickel (Ni), % 0
0 to 0.4
Nitrogen (N), % 0
0.050 to 0.2
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0 to 0.4
1.3 to 1.7
Sulfur (S), % 0 to 0.015
0 to 0.010
Vanadium (V), % 0
0.2 to 0.4