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S39274 Stainless Steel vs. ASTM Grade HL Steel

Both S39274 stainless steel and ASTM grade HL steel are iron alloys. They have 80% 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 S39274 stainless steel and the bottom bar is ASTM grade HL steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270
150
Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 17
11
Fatigue Strength, MPa 380
150
Poisson's Ratio 0.27
0.27
Shear Modulus, GPa 81
80
Tensile Strength: Ultimate (UTS), MPa 900
500
Tensile Strength: Yield (Proof), MPa 620
270

Thermal Properties

Latent Heat of Fusion, J/g 300
320
Maximum Temperature: Corrosion, °C 450
460
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1480
1390
Melting Onset (Solidus), °C 1430
1340
Specific Heat Capacity, J/kg-K 470
490
Thermal Expansion, µm/m-K 13
17

Otherwise Unclassified Properties

Base Metal Price, % relative 24
27
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 4.3
4.5
Embodied Energy, MJ/kg 60
65
Embodied Water, L/kg 180
210

Common Calculations

PREN (Pitting Resistance) 43
31
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
48
Resilience: Unit (Modulus of Resilience), kJ/m3 940
180
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 32
18
Strength to Weight: Bending, points 26
18
Thermal Shock Resistance, points 25
11

Alloy Composition

Carbon (C), % 0 to 0.030
0.2 to 0.6
Chromium (Cr), % 24 to 26
28 to 32
Copper (Cu), % 0.2 to 0.8
0
Iron (Fe), % 57 to 65.6
40.8 to 53.8
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 2.5 to 3.5
0 to 0.5
Nickel (Ni), % 6.0 to 8.0
18 to 22
Nitrogen (N), % 0.24 to 0.32
0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.8
0 to 2.0
Sulfur (S), % 0 to 0.020
0 to 0.040
Tungsten (W), % 1.5 to 2.5
0