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AISI 347 Stainless Steel vs. ASTM Grade HL Steel

Both AISI 347 stainless steel and ASTM grade HL steel are iron alloys. They have 78% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is AISI 347 stainless steel and the bottom bar is ASTM grade HL steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160 to 210
150
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34 to 46
11
Fatigue Strength, MPa 220 to 270
150
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 77
80
Tensile Strength: Ultimate (UTS), MPa 610 to 690
500
Tensile Strength: Yield (Proof), MPa 240 to 350
270

Thermal Properties

Latent Heat of Fusion, J/g 290
320
Maximum Temperature: Corrosion, °C 480
460
Maximum Temperature: Mechanical, °C 870
1100
Melting Completion (Liquidus), °C 1430
1390
Melting Onset (Solidus), °C 1400
1340
Specific Heat Capacity, J/kg-K 480
490
Thermal Expansion, µm/m-K 17
17

Otherwise Unclassified Properties

Base Metal Price, % relative 19
27
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.6
4.5
Embodied Energy, MJ/kg 52
65
Embodied Water, L/kg 150
210

Common Calculations

PREN (Pitting Resistance) 18
31
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190 to 220
48
Resilience: Unit (Modulus of Resilience), kJ/m3 150 to 310
180
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22 to 25
18
Strength to Weight: Bending, points 20 to 22
18
Thermal Shock Resistance, points 13 to 15
11

Alloy Composition

Carbon (C), % 0 to 0.080
0.2 to 0.6
Chromium (Cr), % 17 to 19
28 to 32
Iron (Fe), % 64.1 to 74
40.8 to 53.8
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 9.0 to 13
18 to 22
Niobium (Nb), % 0 to 1.0
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 0.75
0 to 2.0
Sulfur (S), % 0 to 0.030
0 to 0.040