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EN 1.4588 Stainless Steel vs. EN 1.4612 Stainless Steel

Both EN 1.4588 stainless steel and EN 1.4612 stainless steel are iron alloys. They have 70% of their average alloy composition in common. There are 27 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 1.4588 stainless steel and the bottom bar is EN 1.4612 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34
11
Fatigue Strength, MPa 190
860 to 950
Impact Strength: V-Notched Charpy, J 67
11 to 22
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 80
76
Tensile Strength: Ultimate (UTS), MPa 540
1690 to 1850
Tensile Strength: Yield (Proof), MPa 240
1570 to 1730

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Maximum Temperature: Corrosion, °C 420
450
Maximum Temperature: Mechanical, °C 1100
790
Melting Completion (Liquidus), °C 1450
1450
Melting Onset (Solidus), °C 1410
1400
Specific Heat Capacity, J/kg-K 460
480
Thermal Expansion, µm/m-K 17
11

Otherwise Unclassified Properties

Base Metal Price, % relative 33
16
Density, g/cm3 8.1
7.9
Embodied Carbon, kg CO2/kg material 6.2
3.6
Embodied Energy, MJ/kg 84
50
Embodied Water, L/kg 200
140

Common Calculations

PREN (Pitting Resistance) 44
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
190 to 210
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 18
60 to 65
Strength to Weight: Bending, points 18
40 to 43
Thermal Shock Resistance, points 11
58 to 63

Alloy Composition

Aluminum (Al), % 0
1.4 to 1.8
Carbon (C), % 0 to 0.020
0 to 0.015
Chromium (Cr), % 19 to 21
11 to 12.5
Copper (Cu), % 0.5 to 1.5
0
Iron (Fe), % 41.2 to 50.4
71.5 to 75.5
Manganese (Mn), % 0 to 2.0
0 to 0.1
Molybdenum (Mo), % 6.0 to 7.0
1.8 to 2.3
Nickel (Ni), % 24 to 26
10.2 to 11.3
Nitrogen (N), % 0.1 to 0.25
0 to 0.010
Phosphorus (P), % 0 to 0.035
0 to 0.010
Silicon (Si), % 0 to 1.0
0 to 0.1
Sulfur (S), % 0 to 0.020
0 to 0.0050
Titanium (Ti), % 0
0.2 to 0.5