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EN 1.4655 Stainless Steel vs. EN 1.7335 Steel

Both EN 1.4655 stainless steel and EN 1.7335 steel are iron alloys. They have 71% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, 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 EN 1.7335 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 23 to 25
21 to 22
Fatigue Strength, MPa 320
200 to 220
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 78
73
Shear Strength, MPa 460
310 to 330
Tensile Strength: Ultimate (UTS), MPa 720 to 730
500 to 520
Tensile Strength: Yield (Proof), MPa 450 to 480
280 to 310

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 1050
430
Melting Completion (Liquidus), °C 1420
1470
Melting Onset (Solidus), °C 1370
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
44
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 15
2.8
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.9
1.6
Embodied Energy, MJ/kg 41
21
Embodied Water, L/kg 160
52

Common Calculations

PREN (Pitting Resistance) 26
2.7
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150 to 160
91 to 97
Resilience: Unit (Modulus of Resilience), kJ/m3 510 to 580
210 to 260
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 26
18
Strength to Weight: Bending, points 23
18
Thermal Diffusivity, mm2/s 4.0
12
Thermal Shock Resistance, points 20
15

Alloy Composition

Carbon (C), % 0 to 0.030
0.080 to 0.18
Chromium (Cr), % 22 to 24
0.7 to 1.2
Copper (Cu), % 1.0 to 3.0
0 to 0.3
Iron (Fe), % 63.6 to 73.4
96.4 to 98.4
Manganese (Mn), % 0 to 2.0
0.4 to 1.0
Molybdenum (Mo), % 0.1 to 0.6
0.4 to 0.6
Nickel (Ni), % 3.5 to 5.5
0
Nitrogen (N), % 0.050 to 0.2
0 to 0.012
Phosphorus (P), % 0 to 0.035
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.35
Sulfur (S), % 0 to 0.015
0 to 0.010