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S39274 Stainless Steel vs. EN 1.4520 Stainless Steel

Both S39274 stainless steel and EN 1.4520 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 79% of their average alloy composition in common. There are 33 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 S39274 stainless steel and the bottom bar is EN 1.4520 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270
180
Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 17
26
Fatigue Strength, MPa 380
160
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 81
77
Shear Strength, MPa 560
310
Tensile Strength: Ultimate (UTS), MPa 900
480
Tensile Strength: Yield (Proof), MPa 620
220

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Maximum Temperature: Corrosion, °C 450
500
Maximum Temperature: Mechanical, °C 1100
870
Melting Completion (Liquidus), °C 1480
1440
Melting Onset (Solidus), °C 1430
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 16
20
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 24
8.5
Density, g/cm3 8.0
7.7
Embodied Carbon, kg CO2/kg material 4.3
2.2
Embodied Energy, MJ/kg 60
32
Embodied Water, L/kg 180
120

Common Calculations

PREN (Pitting Resistance) 43
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
100
Resilience: Unit (Modulus of Resilience), kJ/m3 940
120
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 32
17
Strength to Weight: Bending, points 26
18
Thermal Diffusivity, mm2/s 4.2
5.4
Thermal Shock Resistance, points 25
17

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.025
Chromium (Cr), % 24 to 26
16 to 18
Copper (Cu), % 0.2 to 0.8
0
Iron (Fe), % 57 to 65.6
80.1 to 83.9
Manganese (Mn), % 0 to 1.0
0 to 0.5
Molybdenum (Mo), % 2.5 to 3.5
0
Nickel (Ni), % 6.0 to 8.0
0
Nitrogen (N), % 0.24 to 0.32
0 to 0.015
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.8
0 to 0.5
Sulfur (S), % 0 to 0.020
0 to 0.015
Titanium (Ti), % 0
0.15 to 0.8
Tungsten (W), % 1.5 to 2.5
0