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EN 1.4310 Stainless Steel vs. EN 1.3549 Stainless Steel

Both EN 1.4310 stainless steel and EN 1.3549 stainless steel are iron alloys. They have a moderately high 91% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is EN 1.4310 stainless steel and the bottom bar is EN 1.3549 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 270
220
Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Tensile Strength: Ultimate (UTS), MPa 730 to 900
730

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Corrosion, °C 410
400
Maximum Temperature: Mechanical, °C 910
910
Melting Completion (Liquidus), °C 1420
1430
Melting Onset (Solidus), °C 1380
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
21
Thermal Expansion, µm/m-K 18
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 14
10
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 2.9
2.6
Embodied Energy, MJ/kg 42
37
Embodied Water, L/kg 140
130

Common Calculations

PREN (Pitting Resistance) 20
22
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 26 to 32
27
Strength to Weight: Bending, points 23 to 27
24
Thermal Diffusivity, mm2/s 4.0
5.6
Thermal Shock Resistance, points 15 to 18
26

Alloy Composition

Carbon (C), % 0.050 to 0.15
0.85 to 1.0
Chromium (Cr), % 16 to 19
17 to 19
Iron (Fe), % 66.4 to 78
77.5 to 82
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 0 to 0.8
0.9 to 1.3
Nickel (Ni), % 6.0 to 9.5
0
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 2.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030
Vanadium (V), % 0
0.070 to 0.12