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EN 1.4935 Stainless Steel vs. EN 1.4580 Stainless Steel

Both EN 1.4935 stainless steel and EN 1.4580 stainless steel are iron alloys. They have 80% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.4935 stainless steel and the bottom bar is EN 1.4580 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 16 to 18
40
Fatigue Strength, MPa 350 to 400
210
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
78
Shear Strength, MPa 480 to 540
430
Tensile Strength: Ultimate (UTS), MPa 780 to 880
620
Tensile Strength: Yield (Proof), MPa 570 to 670
250

Thermal Properties

Latent Heat of Fusion, J/g 270
290
Maximum Temperature: Corrosion, °C 380
480
Maximum Temperature: Mechanical, °C 740
950
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 24
15
Thermal Expansion, µm/m-K 11
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
22
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.9
4.3
Embodied Energy, MJ/kg 42
60
Embodied Water, L/kg 100
150

Common Calculations

PREN (Pitting Resistance) 16
25
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
200
Resilience: Unit (Modulus of Resilience), kJ/m3 830 to 1160
150
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 28 to 31
22
Strength to Weight: Bending, points 24 to 26
21
Thermal Diffusivity, mm2/s 6.5
4.0
Thermal Shock Resistance, points 27 to 30
14

Alloy Composition

Carbon (C), % 0.17 to 0.24
0 to 0.080
Chromium (Cr), % 11 to 12.5
16.5 to 18.5
Iron (Fe), % 83 to 86.7
61.4 to 71
Manganese (Mn), % 0.3 to 0.8
0 to 2.0
Molybdenum (Mo), % 0.8 to 1.2
2.0 to 2.5
Nickel (Ni), % 0.3 to 0.8
10.5 to 13.5
Niobium (Nb), % 0
0 to 1.0
Phosphorus (P), % 0 to 0.025
0 to 0.045
Silicon (Si), % 0.1 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.015
Tungsten (W), % 0.4 to 0.6
0
Vanadium (V), % 0.2 to 0.35
0