MakeItFrom.com
Menu (ESC)

ACI-ASTM CA6NM Steel vs. AISI 303 Stainless Steel

Both ACI-ASTM CA6NM steel and AISI 303 stainless steel are iron alloys. They have 89% 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 303 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
170 to 210
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 17
40 to 51
Fatigue Strength, MPa 380
230 to 360
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
77
Tensile Strength: Ultimate (UTS), MPa 850
600 to 690
Tensile Strength: Yield (Proof), MPa 620
230 to 420

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Corrosion, °C 390
410
Maximum Temperature: Mechanical, °C 770
930
Melting Completion (Liquidus), °C 1450
1450
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 25
16
Thermal Expansion, µm/m-K 10
17

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 10
15
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.5
3.0
Embodied Energy, MJ/kg 34
42
Embodied Water, L/kg 110
140

Common Calculations

PREN (Pitting Resistance) 15
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
240
Resilience: Unit (Modulus of Resilience), kJ/m3 1000
140 to 440
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 30
21 to 25
Strength to Weight: Bending, points 26
20 to 22
Thermal Diffusivity, mm2/s 6.7
4.4
Thermal Shock Resistance, points 31
13 to 15

Alloy Composition

Carbon (C), % 0 to 0.060
0 to 0.15
Chromium (Cr), % 11.5 to 14
17 to 19
Iron (Fe), % 78.4 to 84.6
67.3 to 74.9
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
8.0 to 10
Phosphorus (P), % 0 to 0.040
0 to 0.2
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0.15 to 0.35