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EN 1.4612 Stainless Steel vs. EN 1.4887 Stainless Steel

Both EN 1.4612 stainless steel and EN 1.4887 stainless steel are iron alloys. They have 62% 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 1.4612 stainless steel and the bottom bar is EN 1.4887 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 11
45
Fatigue Strength, MPa 860 to 950
280
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
76
Shear Strength, MPa 1010 to 1110
400
Tensile Strength: Ultimate (UTS), MPa 1690 to 1850
580
Tensile Strength: Yield (Proof), MPa 1570 to 1730
300

Thermal Properties

Latent Heat of Fusion, J/g 280
320
Maximum Temperature: Corrosion, °C 450
600
Maximum Temperature: Mechanical, °C 790
1100
Melting Completion (Liquidus), °C 1450
1390
Melting Onset (Solidus), °C 1400
1350
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 11
15

Otherwise Unclassified Properties

Base Metal Price, % relative 16
39
Density, g/cm3 7.9
8.0
Embodied Carbon, kg CO2/kg material 3.6
6.7
Embodied Energy, MJ/kg 50
96
Embodied Water, L/kg 140
210

Common Calculations

PREN (Pitting Resistance) 19
22
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190 to 210
220
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 60 to 65
20
Strength to Weight: Bending, points 40 to 43
19
Thermal Shock Resistance, points 58 to 63
14

Alloy Composition

Aluminum (Al), % 1.4 to 1.8
0
Carbon (C), % 0 to 0.015
0 to 0.15
Chromium (Cr), % 11 to 12.5
20 to 23
Iron (Fe), % 71.5 to 75.5
34.2 to 45
Manganese (Mn), % 0 to 0.1
0 to 2.0
Molybdenum (Mo), % 1.8 to 2.3
0
Nickel (Ni), % 10.2 to 11.3
33 to 37
Niobium (Nb), % 0
1.0 to 1.5
Nitrogen (N), % 0 to 0.010
0 to 0.1
Phosphorus (P), % 0 to 0.010
0 to 0.030
Silicon (Si), % 0 to 0.1
1.0 to 2.0
Sulfur (S), % 0 to 0.0050
0 to 0.015
Titanium (Ti), % 0.2 to 0.5
0