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N08028 Stainless Steel vs. ASTM Grade HT Steel

Both N08028 stainless steel and ASTM grade HT steel are iron alloys. They have 85% 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 N08028 stainless steel and the bottom bar is ASTM grade HT steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
150
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 45
4.6
Fatigue Strength, MPa 220
130
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 80
76
Tensile Strength: Ultimate (UTS), MPa 570
500
Tensile Strength: Yield (Proof), MPa 240
270

Thermal Properties

Latent Heat of Fusion, J/g 320
310
Maximum Temperature: Corrosion, °C 460
400
Maximum Temperature: Mechanical, °C 1100
1010
Melting Completion (Liquidus), °C 1420
1390
Melting Onset (Solidus), °C 1370
1340
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 12
12
Thermal Expansion, µm/m-K 16
15

Otherwise Unclassified Properties

Base Metal Price, % relative 37
31
Density, g/cm3 8.1
8.0
Embodied Carbon, kg CO2/kg material 6.4
5.4
Embodied Energy, MJ/kg 89
76
Embodied Water, L/kg 240
190

Common Calculations

PREN (Pitting Resistance) 39
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
19
Resilience: Unit (Modulus of Resilience), kJ/m3 140
180
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 19
18
Strength to Weight: Bending, points 19
18
Thermal Diffusivity, mm2/s 3.2
3.2
Thermal Shock Resistance, points 12
12

Alloy Composition

Carbon (C), % 0 to 0.030
0.35 to 0.75
Chromium (Cr), % 26 to 28
15 to 19
Copper (Cu), % 0.6 to 1.4
0
Iron (Fe), % 29 to 40.4
38.2 to 51.7
Manganese (Mn), % 0 to 2.5
0 to 2.0
Molybdenum (Mo), % 3.0 to 4.0
0 to 0.5
Nickel (Ni), % 30 to 34
33 to 37
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 2.5
Sulfur (S), % 0 to 0.030
0 to 0.040