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EN 1.4878 Stainless Steel vs. EN 1.4612 Stainless Steel

Both EN 1.4878 stainless steel and EN 1.4612 stainless steel are iron alloys. They have a moderately high 92% 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 1.4878 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, % 45
11
Fatigue Strength, MPa 190
860 to 950
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
76
Shear Strength, MPa 430
1010 to 1110
Tensile Strength: Ultimate (UTS), MPa 610
1690 to 1850
Tensile Strength: Yield (Proof), MPa 210
1570 to 1730

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Corrosion, °C 490
450
Maximum Temperature: Mechanical, °C 850
790
Melting Completion (Liquidus), °C 1430
1450
Melting Onset (Solidus), °C 1380
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 17
11

Otherwise Unclassified Properties

Base Metal Price, % relative 16
16
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.2
3.6
Embodied Energy, MJ/kg 46
50
Embodied Water, L/kg 140
140

Common Calculations

PREN (Pitting Resistance) 18
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
190 to 210
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22
60 to 65
Strength to Weight: Bending, points 20
40 to 43
Thermal Shock Resistance, points 13
58 to 63

Alloy Composition

Aluminum (Al), % 0
1.4 to 1.8
Carbon (C), % 0 to 0.1
0 to 0.015
Chromium (Cr), % 17 to 19
11 to 12.5
Iron (Fe), % 65 to 74
71.5 to 75.5
Manganese (Mn), % 0 to 2.0
0 to 0.1
Molybdenum (Mo), % 0
1.8 to 2.3
Nickel (Ni), % 9.0 to 12
10.2 to 11.3
Nitrogen (N), % 0
0 to 0.010
Phosphorus (P), % 0 to 0.045
0 to 0.010
Silicon (Si), % 0 to 1.0
0 to 0.1
Sulfur (S), % 0 to 0.015
0 to 0.0050
Titanium (Ti), % 0 to 0.8
0.2 to 0.5