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EN 1.4865 Stainless Steel vs. EN 1.4848 Stainless Steel

Both EN 1.4865 stainless steel and EN 1.4848 stainless steel are iron alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 83% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4865 stainless steel and the bottom bar is EN 1.4848 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
150
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 6.8
9.0
Fatigue Strength, MPa 120
130
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
78
Tensile Strength: Ultimate (UTS), MPa 470
510
Tensile Strength: Yield (Proof), MPa 250
250

Thermal Properties

Latent Heat of Fusion, J/g 320
320
Maximum Temperature: Corrosion, °C 410
440
Maximum Temperature: Mechanical, °C 1020
1100
Melting Completion (Liquidus), °C 1380
1390
Melting Onset (Solidus), °C 1330
1340
Specific Heat Capacity, J/kg-K 480
490
Thermal Conductivity, W/m-K 12
15
Thermal Expansion, µm/m-K 15
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 33
25
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 5.8
4.4
Embodied Energy, MJ/kg 81
63
Embodied Water, L/kg 200
200

Common Calculations

PREN (Pitting Resistance) 20
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 27
38
Resilience: Unit (Modulus of Resilience), kJ/m3 160
150
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 16
18
Strength to Weight: Bending, points 17
18
Thermal Diffusivity, mm2/s 3.1
3.9
Thermal Shock Resistance, points 11
11

Alloy Composition

Carbon (C), % 0.3 to 0.5
0.3 to 0.5
Chromium (Cr), % 18 to 21
24 to 27
Iron (Fe), % 34.4 to 44.7
45.4 to 55.7
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 0 to 0.5
0 to 0.5
Nickel (Ni), % 36 to 39
19 to 22
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 1.0 to 2.5
1.0 to 2.5
Sulfur (S), % 0 to 0.030
0 to 0.030