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EN 1.4655 Stainless Steel vs. S30415 Stainless Steel

Both EN 1.4655 stainless steel and S30415 stainless steel are iron alloys. They have a moderately high 93% 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 1.4655 stainless steel and the bottom bar is S30415 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 23 to 25
45
Fatigue Strength, MPa 320
300
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 78
77
Shear Strength, MPa 460
470
Tensile Strength: Ultimate (UTS), MPa 720 to 730
670
Tensile Strength: Yield (Proof), MPa 450 to 480
330

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 440
420
Maximum Temperature: Mechanical, °C 1050
940
Melting Completion (Liquidus), °C 1420
1410
Melting Onset (Solidus), °C 1370
1370
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
21
Thermal Expansion, µm/m-K 13
17

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 15
15
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.9
3.1
Embodied Energy, MJ/kg 41
43
Embodied Water, L/kg 160
140

Common Calculations

PREN (Pitting Resistance) 26
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150 to 160
250
Resilience: Unit (Modulus of Resilience), kJ/m3 510 to 580
280
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 26
24
Strength to Weight: Bending, points 23
22
Thermal Diffusivity, mm2/s 4.0
5.6
Thermal Shock Resistance, points 20
15

Alloy Composition

Carbon (C), % 0 to 0.030
0.040 to 0.060
Cerium (Ce), % 0
0.030 to 0.080
Chromium (Cr), % 22 to 24
18 to 19
Copper (Cu), % 1.0 to 3.0
0
Iron (Fe), % 63.6 to 73.4
67.8 to 71.8
Manganese (Mn), % 0 to 2.0
0 to 0.8
Molybdenum (Mo), % 0.1 to 0.6
0
Nickel (Ni), % 3.5 to 5.5
9.0 to 10
Nitrogen (N), % 0.050 to 0.2
0.12 to 0.18
Phosphorus (P), % 0 to 0.035
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