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EN 1.4439 Stainless Steel vs. S30415 Stainless Steel

Both EN 1.4439 stainless steel and S30415 stainless steel are iron alloys. They have a moderately high 91% 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 EN 1.4439 stainless steel and the bottom bar is S30415 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
190
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 40
45
Fatigue Strength, MPa 270
300
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
77
Shear Strength, MPa 470
470
Tensile Strength: Ultimate (UTS), MPa 680
670
Tensile Strength: Yield (Proof), MPa 310
330

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 410
420
Maximum Temperature: Mechanical, °C 980
940
Melting Completion (Liquidus), °C 1460
1410
Melting Onset (Solidus), °C 1410
1370
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 14
21
Thermal Expansion, µm/m-K 16
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 22
15
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 4.5
3.1
Embodied Energy, MJ/kg 61
43
Embodied Water, L/kg 160
140

Common Calculations

PREN (Pitting Resistance) 35
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
250
Resilience: Unit (Modulus of Resilience), kJ/m3 240
280
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24
24
Strength to Weight: Bending, points 22
22
Thermal Diffusivity, mm2/s 3.8
5.6
Thermal Shock Resistance, points 15
15

Alloy Composition

Carbon (C), % 0 to 0.030
0.040 to 0.060
Cerium (Ce), % 0
0.030 to 0.080
Chromium (Cr), % 16.5 to 18.5
18 to 19
Iron (Fe), % 58.7 to 66.9
67.8 to 71.8
Manganese (Mn), % 0 to 2.0
0 to 0.8
Molybdenum (Mo), % 4.0 to 5.0
0
Nickel (Ni), % 12.5 to 14.5
9.0 to 10
Nitrogen (N), % 0.12 to 0.22
0.12 to 0.18
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0 to 1.0
1.0 to 2.0
Sulfur (S), % 0 to 0.015
0 to 0.030