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AISI 316L Stainless Steel vs. ASTM Grade HT Steel

Both AISI 316L stainless steel and ASTM grade HT steel are iron alloys. They have 76% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (3, 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 HT steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 350
150
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 9.0 to 50
4.6
Fatigue Strength, MPa 170 to 450
130
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
76
Tensile Strength: Ultimate (UTS), MPa 530 to 1160
500
Tensile Strength: Yield (Proof), MPa 190 to 870
270

Thermal Properties

Latent Heat of Fusion, J/g 290
310
Maximum Temperature: Corrosion, °C 410
400
Maximum Temperature: Mechanical, °C 870
1010
Melting Completion (Liquidus), °C 1400
1390
Melting Onset (Solidus), °C 1380
1340
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 15
12
Thermal Expansion, µm/m-K 16
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 19
31
Density, g/cm3 7.9
8.0
Embodied Carbon, kg CO2/kg material 3.9
5.4
Embodied Energy, MJ/kg 53
76
Embodied Water, L/kg 150
190

Common Calculations

PREN (Pitting Resistance) 26
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 77 to 230
19
Resilience: Unit (Modulus of Resilience), kJ/m3 93 to 1880
180
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 19 to 41
18
Strength to Weight: Bending, points 18 to 31
18
Thermal Diffusivity, mm2/s 4.1
3.2
Thermal Shock Resistance, points 12 to 25
12

Alloy Composition

Carbon (C), % 0 to 0.030
0.35 to 0.75
Chromium (Cr), % 16 to 18
15 to 19
Iron (Fe), % 62 to 72
38.2 to 51.7
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