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AISI 309HCb Stainless Steel vs. EN 1.4958 Stainless Steel

Both AISI 309HCb stainless steel and EN 1.4958 stainless steel are iron alloys. They have 82% 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 AISI 309HCb stainless steel and the bottom bar is EN 1.4958 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 46
40
Fatigue Strength, MPa 210
170
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
77
Shear Strength, MPa 410
430
Tensile Strength: Ultimate (UTS), MPa 590
630
Tensile Strength: Yield (Proof), MPa 230
190

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 510
500
Maximum Temperature: Mechanical, °C 1090
1090
Melting Completion (Liquidus), °C 1420
1400
Melting Onset (Solidus), °C 1380
1350
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
12
Thermal Expansion, µm/m-K 16
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 23
30
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 4.1
5.3
Embodied Energy, MJ/kg 59
75
Embodied Water, L/kg 170
200

Common Calculations

PREN (Pitting Resistance) 23
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
190
Resilience: Unit (Modulus of Resilience), kJ/m3 130
95
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21
22
Strength to Weight: Bending, points 20
20
Thermal Diffusivity, mm2/s 4.0
3.2
Thermal Shock Resistance, points 13
15

Alloy Composition

Aluminum (Al), % 0
0.2 to 0.5
Carbon (C), % 0.040 to 0.1
0.030 to 0.080
Chromium (Cr), % 22 to 24
19 to 22
Cobalt (Co), % 0
0 to 0.5
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 56 to 66
41.1 to 50.6
Manganese (Mn), % 0 to 2.0
0 to 1.5
Nickel (Ni), % 12 to 16
30 to 32.5
Niobium (Nb), % 0 to 1.1
0 to 0.1
Nitrogen (N), % 0
0 to 0.030
Phosphorus (P), % 0 to 0.045
0 to 0.015
Silicon (Si), % 0 to 0.75
0 to 0.7
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 0
0.2 to 0.5