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EN 1.7233 Steel vs. AISI 309HCb Stainless Steel

Both EN 1.7233 steel and AISI 309HCb stainless steel are iron alloys. They have 63% 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 EN 1.7233 steel and the bottom bar is AISI 309HCb stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 290
190
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 18 to 23
46
Fatigue Strength, MPa 270 to 530
210
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
78
Shear Strength, MPa 450 to 590
410
Tensile Strength: Ultimate (UTS), MPa 700 to 960
590
Tensile Strength: Yield (Proof), MPa 380 to 780
230

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 430
1090
Melting Completion (Liquidus), °C 1460
1420
Melting Onset (Solidus), °C 1420
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 39
15
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 3.0
23
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.6
4.1
Embodied Energy, MJ/kg 21
59
Embodied Water, L/kg 53
170

Common Calculations

PREN (Pitting Resistance) 3.3
23
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 200
210
Resilience: Unit (Modulus of Resilience), kJ/m3 380 to 1630
130
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 25 to 34
21
Strength to Weight: Bending, points 22 to 28
20
Thermal Diffusivity, mm2/s 11
4.0
Thermal Shock Resistance, points 21 to 28
13

Alloy Composition

Carbon (C), % 0.39 to 0.45
0.040 to 0.1
Chromium (Cr), % 1.2 to 1.5
22 to 24
Iron (Fe), % 96.2 to 97.5
56 to 66
Manganese (Mn), % 0.4 to 0.7
0 to 2.0
Molybdenum (Mo), % 0.5 to 0.7
0
Nickel (Ni), % 0
12 to 16
Niobium (Nb), % 0
0 to 1.1
Phosphorus (P), % 0 to 0.025
0 to 0.045
Silicon (Si), % 0 to 0.4
0 to 0.75
Sulfur (S), % 0 to 0.035
0 to 0.030