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EN 1.4525 Stainless Steel vs. EN 1.3555 Steel

Both EN 1.4525 stainless steel and EN 1.3555 steel are iron alloys. They have 83% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is EN 1.4525 stainless steel and the bottom bar is EN 1.3555 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
75
Tensile Strength: Ultimate (UTS), MPa 1030 to 1250
770

Thermal Properties

Latent Heat of Fusion, J/g 280
260
Maximum Temperature: Mechanical, °C 860
540
Melting Completion (Liquidus), °C 1430
1500
Melting Onset (Solidus), °C 1390
1450
Specific Heat Capacity, J/kg-K 480
460
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
9.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
11

Otherwise Unclassified Properties

Base Metal Price, % relative 13
11
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.8
5.6
Embodied Energy, MJ/kg 39
81
Embodied Water, L/kg 130
90

Common Calculations

PREN (Pitting Resistance) 18
18
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 36 to 45
27
Strength to Weight: Bending, points 29 to 33
23
Thermal Shock Resistance, points 34 to 41
22

Alloy Composition

Carbon (C), % 0 to 0.070
0.1 to 0.15
Chromium (Cr), % 15 to 17
3.9 to 4.3
Copper (Cu), % 2.5 to 4.0
0 to 0.1
Iron (Fe), % 70.4 to 79
85.4 to 87.7
Manganese (Mn), % 0 to 1.0
0.15 to 0.35
Molybdenum (Mo), % 0 to 0.8
4.0 to 4.5
Nickel (Ni), % 3.5 to 5.5
3.2 to 3.6
Niobium (Nb), % 0 to 0.35
0
Nitrogen (N), % 0 to 0.050
0
Phosphorus (P), % 0 to 0.035
0 to 0.015
Silicon (Si), % 0 to 0.8
0.1 to 0.25
Sulfur (S), % 0 to 0.025
0 to 0.010
Tungsten (W), % 0
0 to 0.15
Vanadium (V), % 0
1.0 to 1.3