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EN 1.4557 Stainless Steel vs. EN 1.7335 Steel

Both EN 1.4557 stainless steel and EN 1.7335 steel are iron alloys. They have 55% 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 1.4557 stainless steel and the bottom bar is EN 1.7335 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
150 to 160
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 40
21 to 22
Fatigue Strength, MPa 260
200 to 220
Impact Strength: V-Notched Charpy, J 56
31 to 35
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 80
73
Tensile Strength: Ultimate (UTS), MPa 560
500 to 520
Tensile Strength: Yield (Proof), MPa 300
280 to 310

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1090
430
Melting Completion (Liquidus), °C 1460
1470
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 15
44
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.2
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 29
2.8
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 5.6
1.6
Embodied Energy, MJ/kg 76
21
Embodied Water, L/kg 190
52

Common Calculations

PREN (Pitting Resistance) 45
2.7
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
91 to 97
Resilience: Unit (Modulus of Resilience), kJ/m3 210
210 to 260
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 19
18
Strength to Weight: Bending, points 19
18
Thermal Diffusivity, mm2/s 4.0
12
Thermal Shock Resistance, points 12
15

Alloy Composition

Carbon (C), % 0 to 0.020
0.080 to 0.18
Chromium (Cr), % 19.5 to 20.5
0.7 to 1.2
Copper (Cu), % 0.5 to 1.0
0 to 0.3
Iron (Fe), % 49.5 to 56.3
96.4 to 98.4
Manganese (Mn), % 0 to 1.2
0.4 to 1.0
Molybdenum (Mo), % 6.0 to 7.0
0.4 to 0.6
Nickel (Ni), % 17.5 to 19.5
0
Nitrogen (N), % 0.18 to 0.24
0 to 0.012
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.35
Sulfur (S), % 0 to 0.010
0 to 0.010