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AISI 316L Stainless Steel vs. ASTM Grade HP Steel

Both AISI 316L stainless steel and ASTM grade HP steel are iron alloys. They have 67% of their average alloy composition in common. There are 30 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 AISI 316L stainless steel and the bottom bar is ASTM grade HP steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 350
140
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 9.0 to 50
5.1
Fatigue Strength, MPa 170 to 450
130
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
78
Tensile Strength: Ultimate (UTS), MPa 530 to 1160
490
Tensile Strength: Yield (Proof), MPa 190 to 870
260

Thermal Properties

Latent Heat of Fusion, J/g 290
320
Maximum Temperature: Corrosion, °C 410
440
Maximum Temperature: Mechanical, °C 870
1100
Melting Completion (Liquidus), °C 1400
1370
Melting Onset (Solidus), °C 1380
1330
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 15
12
Thermal Expansion, µm/m-K 16
16

Otherwise Unclassified Properties

Base Metal Price, % relative 19
34
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 3.9
5.8
Embodied Energy, MJ/kg 53
82
Embodied Water, L/kg 150
220

Common Calculations

PREN (Pitting Resistance) 26
27
Resilience: Ultimate (Unit Rupture Work), MJ/m3 77 to 230
21
Resilience: Unit (Modulus of Resilience), kJ/m3 93 to 1880
170
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 19 to 41
17
Strength to Weight: Bending, points 18 to 31
17
Thermal Diffusivity, mm2/s 4.1
3.2
Thermal Shock Resistance, points 12 to 25
11

Alloy Composition

Carbon (C), % 0 to 0.030
0.35 to 0.75
Chromium (Cr), % 16 to 18
24 to 28
Iron (Fe), % 62 to 72
29.2 to 42.7
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 2.0 to 3.0
0 to 0.5
Nickel (Ni), % 10 to 14
33 to 37
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 0.75
0 to 2.5
Sulfur (S), % 0 to 0.030
0 to 0.040