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ASTM Grade HL Steel vs. AISI 310MoLN Stainless Steel

Both ASTM grade HL steel and AISI 310MoLN stainless steel are iron alloys. They have a moderately high 94% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is ASTM grade HL steel and the bottom bar is AISI 310MoLN stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
190
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 11
28
Fatigue Strength, MPa 150
210
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 80
80
Tensile Strength: Ultimate (UTS), MPa 500
610
Tensile Strength: Yield (Proof), MPa 270
290

Thermal Properties

Latent Heat of Fusion, J/g 320
300
Maximum Temperature: Corrosion, °C 460
450
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1390
1420
Melting Onset (Solidus), °C 1340
1380
Specific Heat Capacity, J/kg-K 490
470
Thermal Expansion, µm/m-K 17
16

Otherwise Unclassified Properties

Base Metal Price, % relative 27
28
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 4.5
5.0
Embodied Energy, MJ/kg 65
70
Embodied Water, L/kg 210
200

Common Calculations

PREN (Pitting Resistance) 31
34
Resilience: Ultimate (Unit Rupture Work), MJ/m3 48
140
Resilience: Unit (Modulus of Resilience), kJ/m3 180
200
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 18
21
Strength to Weight: Bending, points 18
20
Thermal Shock Resistance, points 11
14

Alloy Composition

Carbon (C), % 0.2 to 0.6
0 to 0.020
Chromium (Cr), % 28 to 32
24 to 26
Iron (Fe), % 40.8 to 53.8
45.2 to 53.8
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 0 to 0.5
1.6 to 2.6
Nickel (Ni), % 18 to 22
20.5 to 23.5
Nitrogen (N), % 0
0.090 to 0.15
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 2.0
0 to 0.5
Sulfur (S), % 0 to 0.040
0 to 0.010