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AISI 309HCb Stainless Steel vs. EN 1.4878 Stainless Steel

Both AISI 309HCb stainless steel and EN 1.4878 stainless steel are iron alloys. They have a moderately high 91% of their average alloy composition in common. There are 33 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 AISI 309HCb stainless steel and the bottom bar is EN 1.4878 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
180
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 46
45
Fatigue Strength, MPa 210
190
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
77
Shear Strength, MPa 410
430
Tensile Strength: Ultimate (UTS), MPa 590
610
Tensile Strength: Yield (Proof), MPa 230
210

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 510
490
Maximum Temperature: Mechanical, °C 1090
850
Melting Completion (Liquidus), °C 1420
1430
Melting Onset (Solidus), °C 1380
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 16
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 23
16
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.1
3.2
Embodied Energy, MJ/kg 59
46
Embodied Water, L/kg 170
140

Common Calculations

PREN (Pitting Resistance) 23
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
210
Resilience: Unit (Modulus of Resilience), kJ/m3 130
120
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21
22
Strength to Weight: Bending, points 20
20
Thermal Diffusivity, mm2/s 4.0
4.0
Thermal Shock Resistance, points 13
13

Alloy Composition

Carbon (C), % 0.040 to 0.1
0 to 0.1
Chromium (Cr), % 22 to 24
17 to 19
Iron (Fe), % 56 to 66
65 to 74
Manganese (Mn), % 0 to 2.0
0 to 2.0
Nickel (Ni), % 12 to 16
9.0 to 12
Niobium (Nb), % 0 to 1.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0 to 0.75
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0
0 to 0.8