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EN 1.4310 Stainless Steel vs. EN 1.4520 Stainless Steel

Both EN 1.4310 stainless steel and EN 1.4520 stainless steel are iron alloys. They have 90% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4310 stainless steel and the bottom bar is EN 1.4520 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 270
180
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 14 to 45
26
Fatigue Strength, MPa 240 to 330
160
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Shear Strength, MPa 510 to 550
310
Tensile Strength: Ultimate (UTS), MPa 730 to 900
480
Tensile Strength: Yield (Proof), MPa 260 to 570
220

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Corrosion, °C 410
500
Maximum Temperature: Mechanical, °C 910
870
Melting Completion (Liquidus), °C 1420
1440
Melting Onset (Solidus), °C 1380
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
20
Thermal Expansion, µm/m-K 18
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 14
8.5
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 2.9
2.2
Embodied Energy, MJ/kg 42
32
Embodied Water, L/kg 140
120

Common Calculations

PREN (Pitting Resistance) 20
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 260
100
Resilience: Unit (Modulus of Resilience), kJ/m3 170 to 830
120
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 26 to 32
17
Strength to Weight: Bending, points 23 to 27
18
Thermal Diffusivity, mm2/s 4.0
5.4
Thermal Shock Resistance, points 15 to 18
17

Alloy Composition

Carbon (C), % 0.050 to 0.15
0 to 0.025
Chromium (Cr), % 16 to 19
16 to 18
Iron (Fe), % 66.4 to 78
80.1 to 83.9
Manganese (Mn), % 0 to 2.0
0 to 0.5
Molybdenum (Mo), % 0 to 0.8
0
Nickel (Ni), % 6.0 to 9.5
0
Nitrogen (N), % 0 to 0.1
0 to 0.015
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 2.0
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.015
Titanium (Ti), % 0
0.15 to 0.8