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EN 1.3549 Stainless Steel vs. EN 1.3960 Stainless Steel

Both EN 1.3549 stainless steel and EN 1.3960 stainless steel are iron alloys. They have 84% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is EN 1.3549 stainless steel and the bottom bar is EN 1.3960 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
78
Tensile Strength: Ultimate (UTS), MPa 730
590

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Corrosion, °C 400
410
Maximum Temperature: Mechanical, °C 910
970
Melting Completion (Liquidus), °C 1430
1440
Melting Onset (Solidus), °C 1390
1400
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 21
15
Thermal Expansion, µm/m-K 10
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 10
21
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.6
4.1
Embodied Energy, MJ/kg 37
57
Embodied Water, L/kg 130
160

Common Calculations

PREN (Pitting Resistance) 22
30
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27
21
Strength to Weight: Bending, points 24
20
Thermal Diffusivity, mm2/s 5.6
3.9
Thermal Shock Resistance, points 26
17

Alloy Composition

Carbon (C), % 0.85 to 1.0
0 to 0.030
Chromium (Cr), % 17 to 19
16.5 to 18.5
Iron (Fe), % 77.5 to 82
60.2 to 67.9
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 0.9 to 1.3
2.5 to 3.0
Nickel (Ni), % 0
13 to 15
Nitrogen (N), % 0
0.15 to 0.25
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.020
Vanadium (V), % 0.070 to 0.12
0