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EN 1.4837 Stainless Steel vs. EN 1.4474 Stainless Steel

Both EN 1.4837 stainless steel and EN 1.4474 stainless steel are iron alloys. They have a moderately high 91% of their average alloy composition in common. There are 31 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 EN 1.4474 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 6.8
23
Fatigue Strength, MPa 120
320
Poisson's Ratio 0.27
0.27
Shear Modulus, GPa 78
80
Tensile Strength: Ultimate (UTS), MPa 500
670
Tensile Strength: Yield (Proof), MPa 250
480

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
1430
Melting Onset (Solidus), °C 1350
1390
Specific Heat Capacity, J/kg-K 490
480
Thermal Conductivity, W/m-K 14
17
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 20
17
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 3.7
3.4
Embodied Energy, MJ/kg 53
48
Embodied Water, L/kg 180
170

Common Calculations

PREN (Pitting Resistance) 26
34
Resilience: Ultimate (Unit Rupture Work), MJ/m3 29
140
Resilience: Unit (Modulus of Resilience), kJ/m3 160
560
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 18
24
Strength to Weight: Bending, points 18
22
Thermal Diffusivity, mm2/s 3.7
4.6
Thermal Shock Resistance, points 11
18

Alloy Composition

Carbon (C), % 0.3 to 0.5
0 to 0.050
Chromium (Cr), % 24 to 27
25 to 27
Iron (Fe), % 53.4 to 63.7
61.2 to 69.1
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 0 to 0.5
1.3 to 2.0
Nickel (Ni), % 11 to 14
4.5 to 6.5
Nitrogen (N), % 0
0.12 to 0.2
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 1.0 to 2.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.025