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ACI-ASTM CA6NM Steel vs. AISI 310HCb Stainless Steel

Both ACI-ASTM CA6NM steel and AISI 310HCb stainless steel are iron alloys. They have 70% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CA6NM steel and the bottom bar is AISI 310HCb stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
190
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 17
46
Fatigue Strength, MPa 380
210
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
78
Tensile Strength: Ultimate (UTS), MPa 850
590
Tensile Strength: Yield (Proof), MPa 620
230

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Corrosion, °C 390
520
Maximum Temperature: Mechanical, °C 770
1100
Melting Completion (Liquidus), °C 1450
1410
Melting Onset (Solidus), °C 1400
1370
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 25
15
Thermal Expansion, µm/m-K 10
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.8
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 3.2
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 10
28
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.5
4.8
Embodied Energy, MJ/kg 34
69
Embodied Water, L/kg 110
190

Common Calculations

PREN (Pitting Resistance) 15
25
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
210
Resilience: Unit (Modulus of Resilience), kJ/m3 1000
130
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 30
21
Strength to Weight: Bending, points 26
20
Thermal Diffusivity, mm2/s 6.7
3.9
Thermal Shock Resistance, points 31
13

Alloy Composition

Carbon (C), % 0 to 0.060
0.040 to 0.1
Chromium (Cr), % 11.5 to 14
24 to 26
Iron (Fe), % 78.4 to 84.6
48 to 57
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 0.4 to 1.0
0
Nickel (Ni), % 3.5 to 4.5
19 to 22
Niobium (Nb), % 0
0 to 1.1
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.030