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N08800 Stainless Steel vs. ASTM A242 HSLA Steel

Both N08800 stainless steel and ASTM A242 HSLA steel are iron alloys. They have 46% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is N08800 stainless steel and the bottom bar is ASTM A242 HSLA steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 4.5 to 34
22
Fatigue Strength, MPa 150 to 390
230
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 340 to 580
310
Tensile Strength: Ultimate (UTS), MPa 500 to 1000
490
Tensile Strength: Yield (Proof), MPa 190 to 830
330

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
400
Melting Completion (Liquidus), °C 1390
1460
Melting Onset (Solidus), °C 1360
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 12
52
Thermal Expansion, µm/m-K 14
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 30
1.9
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 5.3
1.4
Embodied Energy, MJ/kg 76
18
Embodied Water, L/kg 200
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 42 to 160
95
Resilience: Unit (Modulus of Resilience), kJ/m3 96 to 1740
290
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 18 to 35
17
Strength to Weight: Bending, points 18 to 28
17
Thermal Diffusivity, mm2/s 3.0
14
Thermal Shock Resistance, points 13 to 25
14

Alloy Composition

Aluminum (Al), % 0.15 to 0.6
0
Carbon (C), % 0 to 0.1
0 to 0.15
Chromium (Cr), % 19 to 23
0
Copper (Cu), % 0 to 0.75
0.2 to 0.45
Iron (Fe), % 39.5 to 50.7
98.2 to 99.8
Manganese (Mn), % 0 to 1.5
0 to 1.0
Nickel (Ni), % 30 to 35
0
Phosphorus (P), % 0 to 0.045
0 to 0.15
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.015
0 to 0.050
Titanium (Ti), % 0.15 to 0.6
0