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EN 1.4749 Stainless Steel vs. EN 1.4865 Stainless Steel

Both EN 1.4749 stainless steel and EN 1.4865 stainless steel are iron alloys. They have 60% 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 1.4749 stainless steel and the bottom bar is EN 1.4865 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
140
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 16
6.8
Fatigue Strength, MPa 190
120
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 80
76
Tensile Strength: Ultimate (UTS), MPa 600
470
Tensile Strength: Yield (Proof), MPa 320
250

Thermal Properties

Latent Heat of Fusion, J/g 300
320
Maximum Temperature: Corrosion, °C 450
410
Maximum Temperature: Mechanical, °C 1100
1020
Melting Completion (Liquidus), °C 1420
1380
Melting Onset (Solidus), °C 1380
1330
Specific Heat Capacity, J/kg-K 490
480
Thermal Conductivity, W/m-K 17
12
Thermal Expansion, µm/m-K 9.6
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 13
33
Density, g/cm3 7.6
8.0
Embodied Carbon, kg CO2/kg material 2.5
5.8
Embodied Energy, MJ/kg 36
81
Embodied Water, L/kg 160
200

Common Calculations

PREN (Pitting Resistance) 31
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 80
27
Resilience: Unit (Modulus of Resilience), kJ/m3 250
160
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 26
24
Strength to Weight: Axial, points 22
16
Strength to Weight: Bending, points 21
17
Thermal Diffusivity, mm2/s 4.6
3.1
Thermal Shock Resistance, points 22
11

Alloy Composition

Carbon (C), % 0.15 to 0.2
0.3 to 0.5
Chromium (Cr), % 26 to 29
18 to 21
Iron (Fe), % 68.5 to 73.7
34.4 to 44.7
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0
36 to 39
Nitrogen (N), % 0.15 to 0.25
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
1.0 to 2.5
Sulfur (S), % 0 to 0.015
0 to 0.030