MakeItFrom.com
Menu (ESC)

EN 1.4903 Stainless Steel vs. EN 1.6580 Steel

Both EN 1.4903 stainless steel and EN 1.6580 steel are iron alloys. They have a moderately high 92% of their average alloy composition in common. There are 31 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 1.4903 stainless steel and the bottom bar is EN 1.6580 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 20 to 21
11 to 19
Fatigue Strength, MPa 320 to 330
310 to 610
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
73
Shear Strength, MPa 420
450 to 700
Tensile Strength: Ultimate (UTS), MPa 670 to 680
720 to 1170
Tensile Strength: Yield (Proof), MPa 500
460 to 990

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 650
450
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 26
40
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.4
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 4.0
8.9

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
4.3
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.6
1.8
Embodied Energy, MJ/kg 36
23
Embodied Water, L/kg 88
59

Common Calculations

PREN (Pitting Resistance) 13
3.3
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 130
120 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 650
560 to 2590
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24
26 to 41
Strength to Weight: Bending, points 22
23 to 31
Thermal Diffusivity, mm2/s 7.0
11
Thermal Shock Resistance, points 23
21 to 34

Alloy Composition

Aluminum (Al), % 0 to 0.040
0
Carbon (C), % 0.080 to 0.12
0.26 to 0.34
Chromium (Cr), % 8.0 to 9.5
1.8 to 2.2
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 87.1 to 90.5
93.7 to 95.5
Manganese (Mn), % 0.3 to 0.6
0.3 to 0.6
Molybdenum (Mo), % 0.85 to 1.1
0.3 to 0.5
Nickel (Ni), % 0 to 0.4
1.8 to 2.2
Niobium (Nb), % 0.060 to 0.1
0
Nitrogen (N), % 0.030 to 0.070
0
Phosphorus (P), % 0 to 0.025
0 to 0.035
Silicon (Si), % 0 to 0.5
0 to 0.4
Sulfur (S), % 0 to 0.015
0 to 0.035
Vanadium (V), % 0.18 to 0.25
0

Comparable Variants