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N08135 Stainless Steel vs. ASTM Grade HP Steel

Both N08135 stainless steel and ASTM grade HP steel are iron alloys. They have a moderately high 94% of their average alloy composition in common. There are 27 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 N08135 stainless steel and the bottom bar is ASTM grade HP steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 46
5.1
Fatigue Strength, MPa 220
130
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 80
78
Tensile Strength: Ultimate (UTS), MPa 570
490
Tensile Strength: Yield (Proof), MPa 240
260

Thermal Properties

Latent Heat of Fusion, J/g 310
320
Maximum Temperature: Corrosion, °C 430
440
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1440
1370
Melting Onset (Solidus), °C 1390
1330
Specific Heat Capacity, J/kg-K 460
480
Thermal Expansion, µm/m-K 16
16

Otherwise Unclassified Properties

Base Metal Price, % relative 39
34
Density, g/cm3 8.2
7.9
Embodied Carbon, kg CO2/kg material 6.8
5.8
Embodied Energy, MJ/kg 94
82
Embodied Water, L/kg 220
220

Common Calculations

PREN (Pitting Resistance) 38
27
Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
21
Resilience: Unit (Modulus of Resilience), kJ/m3 140
170
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 19
17
Strength to Weight: Bending, points 19
17
Thermal Shock Resistance, points 13
11

Alloy Composition

Carbon (C), % 0 to 0.030
0.35 to 0.75
Chromium (Cr), % 20.5 to 23.5
24 to 28
Copper (Cu), % 0 to 0.7
0
Iron (Fe), % 30.2 to 42.3
29.2 to 42.7
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 4.0 to 5.0
0 to 0.5
Nickel (Ni), % 33 to 38
33 to 37
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.75
0 to 2.5
Sulfur (S), % 0 to 0.030
0 to 0.040
Tungsten (W), % 0.2 to 0.8
0