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ASTM Grade HL Steel vs. EN 1.4855 Stainless Steel

Both ASTM grade HL steel and EN 1.4855 stainless steel are iron alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. 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 (2, in this case) are not shown.

For each property being compared, the top bar is ASTM grade HL steel and the bottom bar is EN 1.4855 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
150
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 11
4.6
Fatigue Strength, MPa 150
120
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 80
77
Tensile Strength: Ultimate (UTS), MPa 500
500
Tensile Strength: Yield (Proof), MPa 270
250

Thermal Properties

Latent Heat of Fusion, J/g 320
320
Maximum Temperature: Corrosion, °C 460
610
Maximum Temperature: Mechanical, °C 1100
1050
Melting Completion (Liquidus), °C 1390
1400
Melting Onset (Solidus), °C 1340
1350
Specific Heat Capacity, J/kg-K 490
480
Thermal Expansion, µm/m-K 17
16

Otherwise Unclassified Properties

Base Metal Price, % relative 27
34
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.5
5.9
Embodied Energy, MJ/kg 65
85
Embodied Water, L/kg 210
200

Common Calculations

PREN (Pitting Resistance) 31
25
Resilience: Ultimate (Unit Rupture Work), MJ/m3 48
19
Resilience: Unit (Modulus of Resilience), kJ/m3 180
160
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 18
18
Strength to Weight: Bending, points 18
18
Thermal Shock Resistance, points 11
11

Alloy Composition

Carbon (C), % 0.2 to 0.6
0.3 to 0.5
Chromium (Cr), % 28 to 32
23 to 25
Iron (Fe), % 40.8 to 53.8
42.6 to 51.9
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 0 to 0.5
0 to 0.5
Nickel (Ni), % 18 to 22
23 to 25
Niobium (Nb), % 0
0.8 to 1.8
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 2.0
1.0 to 2.5
Sulfur (S), % 0 to 0.040
0 to 0.030