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EN 1.4552 Stainless Steel vs. EN 1.4301 Stainless Steel

Both EN 1.4552 stainless steel and EN 1.4301 stainless steel are iron alloys. They have a very high 98% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.4552 stainless steel and the bottom bar is EN 1.4301 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
190 to 270
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 29
14 to 46
Fatigue Strength, MPa 150
200 to 330
Impact Strength: V-Notched Charpy, J 45
91 to 94
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Tensile Strength: Ultimate (UTS), MPa 510
610 to 900
Tensile Strength: Yield (Proof), MPa 200
220 to 570

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 490
420
Maximum Temperature: Mechanical, °C 960
940
Melting Completion (Liquidus), °C 1430
1430
Melting Onset (Solidus), °C 1380
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 17
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 19
15
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.6
3.0
Embodied Energy, MJ/kg 52
43
Embodied Water, L/kg 150
140

Common Calculations

PREN (Pitting Resistance) 19
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
110 to 220
Resilience: Unit (Modulus of Resilience), kJ/m3 100
120 to 820
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 18
22 to 32
Strength to Weight: Bending, points 18
20 to 27
Thermal Diffusivity, mm2/s 4.1
4.0
Thermal Shock Resistance, points 11
14 to 20

Alloy Composition

Carbon (C), % 0 to 0.070
0 to 0.070
Chromium (Cr), % 18 to 20
17.5 to 19.5
Iron (Fe), % 63.9 to 73
66.8 to 74.5
Manganese (Mn), % 0 to 1.5
0 to 2.0
Nickel (Ni), % 9.0 to 12
8.0 to 10.5
Niobium (Nb), % 0 to 1.0
0
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 1.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015