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S44700 Stainless Steel vs. ASTM Grade HL Steel

Both S44700 stainless steel and ASTM grade HL steel are iron alloys. They have 77% of their average alloy composition in common. There are 28 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 S44700 stainless steel and the bottom bar is ASTM grade HL steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
150
Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 23
11
Fatigue Strength, MPa 300
150
Poisson's Ratio 0.27
0.27
Shear Modulus, GPa 82
80
Tensile Strength: Ultimate (UTS), MPa 600
500
Tensile Strength: Yield (Proof), MPa 450
270

Thermal Properties

Latent Heat of Fusion, J/g 300
320
Maximum Temperature: Corrosion, °C 460
460
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1460
1390
Melting Onset (Solidus), °C 1410
1340
Specific Heat Capacity, J/kg-K 480
490
Thermal Expansion, µm/m-K 11
17

Otherwise Unclassified Properties

Base Metal Price, % relative 18
27
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.6
4.5
Embodied Energy, MJ/kg 49
65
Embodied Water, L/kg 180
210

Common Calculations

PREN (Pitting Resistance) 42
31
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
48
Resilience: Unit (Modulus of Resilience), kJ/m3 480
180
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21
18
Strength to Weight: Bending, points 20
18
Thermal Shock Resistance, points 19
11

Alloy Composition

Carbon (C), % 0 to 0.010
0.2 to 0.6
Chromium (Cr), % 28 to 30
28 to 32
Copper (Cu), % 0 to 0.15
0
Iron (Fe), % 64.9 to 68.5
40.8 to 53.8
Manganese (Mn), % 0 to 0.3
0 to 2.0
Molybdenum (Mo), % 3.5 to 4.2
0 to 0.5
Nickel (Ni), % 0 to 0.15
18 to 22
Nitrogen (N), % 0 to 0.020
0
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.2
0 to 2.0
Sulfur (S), % 0 to 0.020
0 to 0.040