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N08800 Stainless Steel vs. ACI-ASTM CN7MS Steel

Both N08800 stainless steel and ACI-ASTM CN7MS steel are iron alloys. They have 89% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is N08800 stainless steel and the bottom bar is ACI-ASTM CN7MS steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 4.5 to 34
39
Fatigue Strength, MPa 150 to 390
200
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Tensile Strength: Ultimate (UTS), MPa 500 to 1000
540
Tensile Strength: Yield (Proof), MPa 190 to 830
230

Thermal Properties

Latent Heat of Fusion, J/g 300
340
Maximum Temperature: Corrosion, °C 490
420
Maximum Temperature: Mechanical, °C 1100
1040
Melting Completion (Liquidus), °C 1390
1400
Melting Onset (Solidus), °C 1360
1350
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 12
12
Thermal Expansion, µm/m-K 14
16

Otherwise Unclassified Properties

Base Metal Price, % relative 30
28
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 5.3
5.1
Embodied Energy, MJ/kg 76
71
Embodied Water, L/kg 200
180

Common Calculations

PREN (Pitting Resistance) 21
28
Resilience: Ultimate (Unit Rupture Work), MJ/m3 42 to 160
170
Resilience: Unit (Modulus of Resilience), kJ/m3 96 to 1740
140
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 18 to 35
19
Strength to Weight: Bending, points 18 to 28
19
Thermal Diffusivity, mm2/s 3.0
3.2
Thermal Shock Resistance, points 13 to 25
13

Alloy Composition

Aluminum (Al), % 0.15 to 0.6
0
Carbon (C), % 0 to 0.1
0 to 0.070
Chromium (Cr), % 19 to 23
18 to 20
Copper (Cu), % 0 to 0.75
1.5 to 2.0
Iron (Fe), % 39.5 to 50.7
45.4 to 53.5
Manganese (Mn), % 0 to 1.5
0 to 1.0
Molybdenum (Mo), % 0
2.5 to 3.0
Nickel (Ni), % 30 to 35
22 to 25
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 1.0
2.5 to 3.5
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 0.15 to 0.6
0