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EN 1.4837 Stainless Steel vs. S39277 Stainless Steel

Both EN 1.4837 stainless steel and S39277 stainless steel are iron alloys. They have a moderately high 92% 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 1.4837 stainless steel and the bottom bar is S39277 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
250
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 6.8
28
Fatigue Strength, MPa 120
480
Poisson's Ratio 0.27
0.27
Shear Modulus, GPa 78
80
Tensile Strength: Ultimate (UTS), MPa 500
930
Tensile Strength: Yield (Proof), MPa 250
660

Thermal Properties

Latent Heat of Fusion, J/g 320
300
Maximum Temperature: Corrosion, °C 440
450
Maximum Temperature: Mechanical, °C 1050
1100
Melting Completion (Liquidus), °C 1390
1460
Melting Onset (Solidus), °C 1350
1410
Specific Heat Capacity, J/kg-K 490
470
Thermal Conductivity, W/m-K 14
16
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 20
23
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 3.7
4.2
Embodied Energy, MJ/kg 53
59
Embodied Water, L/kg 180
180

Common Calculations

PREN (Pitting Resistance) 26
43
Resilience: Ultimate (Unit Rupture Work), MJ/m3 29
240
Resilience: Unit (Modulus of Resilience), kJ/m3 160
1070
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 18
33
Strength to Weight: Bending, points 18
27
Thermal Diffusivity, mm2/s 3.7
4.2
Thermal Shock Resistance, points 11
26

Alloy Composition

Carbon (C), % 0.3 to 0.5
0 to 0.025
Chromium (Cr), % 24 to 27
24 to 26
Copper (Cu), % 0
1.2 to 2.0
Iron (Fe), % 53.4 to 63.7
56.8 to 64.3
Manganese (Mn), % 0 to 2.0
0 to 0.8
Molybdenum (Mo), % 0 to 0.5
3.0 to 4.0
Nickel (Ni), % 11 to 14
6.5 to 8.0
Nitrogen (N), % 0
0.23 to 0.33
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 1.0 to 2.5
0 to 0.8
Sulfur (S), % 0 to 0.030
0 to 0.0020
Tungsten (W), % 0
0.8 to 1.2