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EN 1.4310 Stainless Steel vs. EN 1.3558 Steel

Both EN 1.4310 stainless steel and EN 1.3558 steel are iron alloys. They have 77% 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 1.4310 stainless steel and the bottom bar is EN 1.3558 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 270
230
Elastic (Young's, Tensile) Modulus, GPa 200
210
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
80
Tensile Strength: Ultimate (UTS), MPa 730 to 900
770

Thermal Properties

Latent Heat of Fusion, J/g 290
240
Maximum Temperature: Mechanical, °C 910
490
Melting Completion (Liquidus), °C 1420
1810
Melting Onset (Solidus), °C 1380
1760
Specific Heat Capacity, J/kg-K 480
410
Thermal Conductivity, W/m-K 15
20
Thermal Expansion, µm/m-K 18
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
13
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
12

Otherwise Unclassified Properties

Base Metal Price, % relative 14
45
Density, g/cm3 7.8
9.3
Embodied Carbon, kg CO2/kg material 2.9
8.4
Embodied Energy, MJ/kg 42
130
Embodied Water, L/kg 140
90

Common Calculations

PREN (Pitting Resistance) 20
35
Stiffness to Weight: Axial, points 14
12
Stiffness to Weight: Bending, points 25
21
Strength to Weight: Axial, points 26 to 32
23
Strength to Weight: Bending, points 23 to 27
20
Thermal Diffusivity, mm2/s 4.0
5.3
Thermal Shock Resistance, points 15 to 18
22

Alloy Composition

Carbon (C), % 0.050 to 0.15
0.7 to 0.8
Chromium (Cr), % 16 to 19
3.9 to 4.3
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 66.4 to 78
73.7 to 77.6
Manganese (Mn), % 0 to 2.0
0 to 0.4
Molybdenum (Mo), % 0 to 0.8
0 to 0.6
Nickel (Ni), % 6.0 to 9.5
0
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 2.0
0 to 0.4
Sulfur (S), % 0 to 0.015
0 to 0.015
Tungsten (W), % 0
17.5 to 19
Vanadium (V), % 0
1.0 to 1.3