MakeItFrom.com
Menu (ESC)

EN 1.7390 Steel vs. EN 1.4872 Stainless Steel

Both EN 1.7390 steel and EN 1.4872 stainless steel are iron alloys. They have 64% 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 1.4872 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
270
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 16
28
Fatigue Strength, MPa 310
410
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
79
Shear Strength, MPa 440
620
Tensile Strength: Ultimate (UTS), MPa 710
950
Tensile Strength: Yield (Proof), MPa 480
560

Thermal Properties

Latent Heat of Fusion, J/g 260
300
Maximum Temperature: Mechanical, °C 510
1150
Melting Completion (Liquidus), °C 1460
1390
Melting Onset (Solidus), °C 1420
1340
Specific Heat Capacity, J/kg-K 470
490
Thermal Conductivity, W/m-K 40
15
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.1
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 9.3
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 4.3
17
Density, g/cm3 7.8
7.6
Embodied Carbon, kg CO2/kg material 1.7
3.3
Embodied Energy, MJ/kg 23
47
Embodied Water, L/kg 69
180

Common Calculations

PREN (Pitting Resistance) 6.8
30
Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
230
Resilience: Unit (Modulus of Resilience), kJ/m3 600
780
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
26
Strength to Weight: Axial, points 25
35
Strength to Weight: Bending, points 23
28
Thermal Diffusivity, mm2/s 11
3.9
Thermal Shock Resistance, points 20
21

Alloy Composition

Carbon (C), % 0 to 0.18
0.2 to 0.3
Chromium (Cr), % 4.0 to 6.0
24 to 26
Iron (Fe), % 91.9 to 95.3
54.2 to 61.6
Manganese (Mn), % 0.3 to 0.8
8.0 to 10
Molybdenum (Mo), % 0.45 to 0.65
0
Nickel (Ni), % 0
6.0 to 8.0
Nitrogen (N), % 0
0.2 to 0.4
Phosphorus (P), % 0 to 0.025
0 to 0.045
Silicon (Si), % 0 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.015