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S39277 Stainless Steel vs. EN 1.4470 Stainless Steel

Both S39277 stainless steel and EN 1.4470 stainless 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 (4, in this case) are not shown.

For each property being compared, the top bar is S39277 stainless steel and the bottom bar is EN 1.4470 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 28
23
Fatigue Strength, MPa 480
320
Poisson's Ratio 0.27
0.27
Shear Modulus, GPa 80
80
Tensile Strength: Ultimate (UTS), MPa 930
680
Tensile Strength: Yield (Proof), MPa 660
480

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 450
430
Maximum Temperature: Mechanical, °C 1100
1060
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1410
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 16
18
Thermal Expansion, µm/m-K 13
13

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 23
17
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 4.2
3.6
Embodied Energy, MJ/kg 59
49
Embodied Water, L/kg 180
160

Common Calculations

PREN (Pitting Resistance) 43
34
Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
140
Resilience: Unit (Modulus of Resilience), kJ/m3 1070
570
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 33
24
Strength to Weight: Bending, points 27
22
Thermal Diffusivity, mm2/s 4.2
4.8
Thermal Shock Resistance, points 26
18

Alloy Composition

Carbon (C), % 0 to 0.025
0 to 0.030
Chromium (Cr), % 24 to 26
21 to 23
Copper (Cu), % 1.2 to 2.0
0
Iron (Fe), % 56.8 to 64.3
63.7 to 71.9
Manganese (Mn), % 0 to 0.8
0 to 2.0
Molybdenum (Mo), % 3.0 to 4.0
2.5 to 3.5
Nickel (Ni), % 6.5 to 8.0
4.5 to 6.5
Nitrogen (N), % 0.23 to 0.33
0.12 to 0.2
Phosphorus (P), % 0 to 0.025
0 to 0.035
Silicon (Si), % 0 to 0.8
0 to 1.0
Sulfur (S), % 0 to 0.0020
0 to 0.025
Tungsten (W), % 0.8 to 1.2
0