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EN 1.4630 Stainless Steel vs. EN 1.4887 Stainless Steel

Both EN 1.4630 stainless steel and EN 1.4887 stainless steel are iron alloys. They have 56% of their average alloy composition in common. There are 32 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 1.4630 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, % 23
45
Fatigue Strength, MPa 170
280
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
76
Shear Strength, MPa 300
400
Tensile Strength: Ultimate (UTS), MPa 480
580
Tensile Strength: Yield (Proof), MPa 250
300

Thermal Properties

Latent Heat of Fusion, J/g 290
320
Maximum Temperature: Corrosion, °C 520
600
Maximum Temperature: Mechanical, °C 800
1100
Melting Completion (Liquidus), °C 1440
1390
Melting Onset (Solidus), °C 1390
1350
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 28
12
Thermal Expansion, µm/m-K 10
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.8
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
39
Density, g/cm3 7.7
8.0
Embodied Carbon, kg CO2/kg material 2.5
6.7
Embodied Energy, MJ/kg 36
96
Embodied Water, L/kg 120
210

Common Calculations

PREN (Pitting Resistance) 15
22
Resilience: Ultimate (Unit Rupture Work), MJ/m3 92
220
Resilience: Unit (Modulus of Resilience), kJ/m3 160
230
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 17
20
Strength to Weight: Bending, points 18
19
Thermal Diffusivity, mm2/s 7.5
3.2
Thermal Shock Resistance, points 17
14

Alloy Composition

Aluminum (Al), % 0 to 1.5
0
Carbon (C), % 0 to 0.030
0 to 0.15
Chromium (Cr), % 13 to 16
20 to 23
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 77.1 to 86.7
34.2 to 45
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 0 to 0.5
33 to 37
Niobium (Nb), % 0 to 0.5
1.0 to 1.5
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.050
0 to 0.030
Silicon (Si), % 0.2 to 1.5
1.0 to 2.0
Sulfur (S), % 0 to 0.050
0 to 0.015
Titanium (Ti), % 0.15 to 0.8
0