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EN 1.4526 Stainless Steel vs. AISI 309HCb Stainless Steel

Both EN 1.4526 stainless steel and AISI 309HCb stainless steel are iron alloys. Both are furnished in the annealed condition. They have 79% 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 EN 1.4526 stainless steel and the bottom bar is AISI 309HCb stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
190
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 25
46
Fatigue Strength, MPa 230
210
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
78
Shear Strength, MPa 340
410
Tensile Strength: Ultimate (UTS), MPa 540
590
Tensile Strength: Yield (Proof), MPa 330
230

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Corrosion, °C 490
510
Maximum Temperature: Mechanical, °C 880
1090
Melting Completion (Liquidus), °C 1450
1420
Melting Onset (Solidus), °C 1410
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 30
15
Thermal Expansion, µm/m-K 10
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 13
23
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.9
4.1
Embodied Energy, MJ/kg 41
59
Embodied Water, L/kg 120
170

Common Calculations

PREN (Pitting Resistance) 21
23
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
210
Resilience: Unit (Modulus of Resilience), kJ/m3 280
130
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 19
21
Strength to Weight: Bending, points 19
20
Thermal Diffusivity, mm2/s 8.1
4.0
Thermal Shock Resistance, points 19
13

Alloy Composition

Carbon (C), % 0 to 0.080
0.040 to 0.1
Chromium (Cr), % 16 to 18
22 to 24
Iron (Fe), % 77.4 to 83.1
56 to 66
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 0.8 to 1.4
0
Nickel (Ni), % 0
12 to 16
Niobium (Nb), % 0.1 to 1.0
0 to 1.1
Nitrogen (N), % 0 to 0.040
0
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 0.75
Sulfur (S), % 0 to 0.015
0 to 0.030