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EN 1.4612 Stainless Steel vs. EN 1.4874 Stainless Steel

Both EN 1.4612 stainless steel and EN 1.4874 stainless steel are iron alloys. They have 56% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (6, 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 1.4874 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 11
6.7
Fatigue Strength, MPa 860 to 950
180
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
80
Tensile Strength: Ultimate (UTS), MPa 1690 to 1850
480
Tensile Strength: Yield (Proof), MPa 1570 to 1730
360

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Corrosion, °C 450
560
Maximum Temperature: Mechanical, °C 790
1150
Melting Completion (Liquidus), °C 1450
1450
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 480
450
Thermal Expansion, µm/m-K 11
15

Otherwise Unclassified Properties

Base Metal Price, % relative 16
70
Density, g/cm3 7.9
8.4
Embodied Carbon, kg CO2/kg material 3.6
7.6
Embodied Energy, MJ/kg 50
110
Embodied Water, L/kg 140
290

Common Calculations

PREN (Pitting Resistance) 19
34
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190 to 210
29
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 60 to 65
16
Strength to Weight: Bending, points 40 to 43
16
Thermal Shock Resistance, points 58 to 63
11

Alloy Composition

Aluminum (Al), % 1.4 to 1.8
0
Carbon (C), % 0 to 0.015
0.35 to 0.65
Chromium (Cr), % 11 to 12.5
19 to 22
Cobalt (Co), % 0
18.5 to 22
Iron (Fe), % 71.5 to 75.5
23 to 38.9
Manganese (Mn), % 0 to 0.1
0 to 2.0
Molybdenum (Mo), % 1.8 to 2.3
2.5 to 3.0
Nickel (Ni), % 10.2 to 11.3
18 to 22
Niobium (Nb), % 0
0.75 to 1.3
Nitrogen (N), % 0 to 0.010
0
Phosphorus (P), % 0 to 0.010
0 to 0.040
Silicon (Si), % 0 to 0.1
0 to 1.0
Sulfur (S), % 0 to 0.0050
0 to 0.030
Titanium (Ti), % 0.2 to 0.5
0
Tungsten (W), % 0
2.0 to 3.0