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EN 1.4162 Stainless Steel vs. EN 1.4588 Stainless Steel

Both EN 1.4162 stainless steel and EN 1.4588 stainless steel are iron alloys. Both are furnished in the solution annealed (AT) condition. They have 70% 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 1.4162 stainless steel and the bottom bar is EN 1.4588 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
160
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 32
34
Fatigue Strength, MPa 410
190
Impact Strength: V-Notched Charpy, J 77
67
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
80
Tensile Strength: Ultimate (UTS), MPa 780
540
Tensile Strength: Yield (Proof), MPa 520
240

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 430
420
Maximum Temperature: Mechanical, °C 1000
1100
Melting Completion (Liquidus), °C 1420
1450
Melting Onset (Solidus), °C 1370
1410
Specific Heat Capacity, J/kg-K 480
460
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 12
33
Density, g/cm3 7.7
8.1
Embodied Carbon, kg CO2/kg material 2.6
6.2
Embodied Energy, MJ/kg 38
84
Embodied Water, L/kg 150
200

Common Calculations

PREN (Pitting Resistance) 27
44
Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
150
Resilience: Unit (Modulus of Resilience), kJ/m3 690
140
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 28
18
Strength to Weight: Bending, points 25
18
Thermal Diffusivity, mm2/s 4.0
4.0
Thermal Shock Resistance, points 21
11

Alloy Composition

Carbon (C), % 0 to 0.040
0 to 0.020
Chromium (Cr), % 21 to 22
19 to 21
Copper (Cu), % 0.1 to 0.8
0.5 to 1.5
Iron (Fe), % 67.2 to 73.3
41.2 to 50.4
Manganese (Mn), % 4.0 to 6.0
0 to 2.0
Molybdenum (Mo), % 0.1 to 0.8
6.0 to 7.0
Nickel (Ni), % 1.4 to 1.9
24 to 26
Nitrogen (N), % 0.2 to 0.25
0.1 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 0.015
0 to 0.020