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EN 1.4887 Stainless Steel vs. EN 1.6311 Steel

Both EN 1.4887 stainless steel and EN 1.6311 steel are iron alloys. They have 42% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.4887 stainless steel and the bottom bar is EN 1.6311 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
200
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 45
19
Fatigue Strength, MPa 280
340
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Shear Strength, MPa 400
400
Tensile Strength: Ultimate (UTS), MPa 580
650
Tensile Strength: Yield (Proof), MPa 300
490

Thermal Properties

Latent Heat of Fusion, J/g 320
250
Maximum Temperature: Mechanical, °C 1100
410
Melting Completion (Liquidus), °C 1390
1460
Melting Onset (Solidus), °C 1350
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 12
39
Thermal Expansion, µm/m-K 15
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 39
2.9
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 6.7
1.6
Embodied Energy, MJ/kg 96
22
Embodied Water, L/kg 210
51

Common Calculations

PREN (Pitting Resistance) 22
2.1
Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
120
Resilience: Unit (Modulus of Resilience), kJ/m3 230
650
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 20
23
Strength to Weight: Bending, points 19
21
Thermal Diffusivity, mm2/s 3.2
10
Thermal Shock Resistance, points 14
19

Alloy Composition

Carbon (C), % 0 to 0.15
0.15 to 0.23
Chromium (Cr), % 20 to 23
0 to 0.5
Copper (Cu), % 0
0 to 0.2
Iron (Fe), % 34.2 to 45
95.9 to 98
Manganese (Mn), % 0 to 2.0
1.0 to 1.5
Molybdenum (Mo), % 0
0.45 to 0.6
Nickel (Ni), % 33 to 37
0.4 to 0.8
Niobium (Nb), % 1.0 to 1.5
0
Nitrogen (N), % 0 to 0.1
0 to 0.012
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 1.0 to 2.0
0 to 0.4
Sulfur (S), % 0 to 0.015
0 to 0.035
Vanadium (V), % 0
0 to 0.020