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AISI 310HCb Stainless Steel vs. S44537 Stainless Steel

Both AISI 310HCb stainless steel and S44537 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 76% of their average alloy composition in common.

For each property being compared, the top bar is AISI 310HCb stainless steel and the bottom bar is S44537 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
180
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 46
21
Fatigue Strength, MPa 210
230
Poisson's Ratio 0.28
0.27
Rockwell B Hardness 82
80
Shear Modulus, GPa 78
79
Shear Strength, MPa 410
320
Tensile Strength: Ultimate (UTS), MPa 590
510
Tensile Strength: Yield (Proof), MPa 230
360

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 520
530
Maximum Temperature: Mechanical, °C 1100
1000
Melting Completion (Liquidus), °C 1410
1480
Melting Onset (Solidus), °C 1370
1430
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
21
Thermal Expansion, µm/m-K 16
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
2.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 28
19
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 4.8
3.4
Embodied Energy, MJ/kg 69
50
Embodied Water, L/kg 190
140

Common Calculations

PREN (Pitting Resistance) 25
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
95
Resilience: Unit (Modulus of Resilience), kJ/m3 130
320
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21
18
Strength to Weight: Bending, points 20
18
Thermal Diffusivity, mm2/s 3.9
5.6
Thermal Shock Resistance, points 13
17

Alloy Composition

Aluminum (Al), % 0
0 to 0.1
Carbon (C), % 0.040 to 0.1
0 to 0.030
Chromium (Cr), % 24 to 26
20 to 24
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 48 to 57
69 to 78.6
Lanthanum (La), % 0
0.040 to 0.2
Manganese (Mn), % 0 to 2.0
0 to 0.8
Nickel (Ni), % 19 to 22
0 to 0.5
Niobium (Nb), % 0 to 1.1
0.2 to 1.0
Nitrogen (N), % 0
0 to 0.040
Phosphorus (P), % 0 to 0.045
0 to 0.050
Silicon (Si), % 0 to 0.75
0.1 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.0060
Titanium (Ti), % 0
0.020 to 0.2
Tungsten (W), % 0
1.0 to 3.0