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ASTM Grade HL Steel vs. EN 1.6958 Steel

Both ASTM grade HL steel and EN 1.6958 steel are iron alloys. They have 53% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (8, 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 1.6958 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
340
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 11
16
Fatigue Strength, MPa 150
700
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 80
73
Tensile Strength: Ultimate (UTS), MPa 500
1140
Tensile Strength: Yield (Proof), MPa 270
1070

Thermal Properties

Latent Heat of Fusion, J/g 320
250
Maximum Temperature: Mechanical, °C 1100
450
Melting Completion (Liquidus), °C 1390
1460
Melting Onset (Solidus), °C 1340
1420
Specific Heat Capacity, J/kg-K 490
470
Thermal Expansion, µm/m-K 17
11

Otherwise Unclassified Properties

Base Metal Price, % relative 27
5.0
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 4.5
2.0
Embodied Energy, MJ/kg 65
27
Embodied Water, L/kg 210
60

Common Calculations

PREN (Pitting Resistance) 31
2.9
Resilience: Ultimate (Unit Rupture Work), MJ/m3 48
180
Resilience: Unit (Modulus of Resilience), kJ/m3 180
3050
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 18
40
Strength to Weight: Bending, points 18
31
Thermal Shock Resistance, points 11
39

Alloy Composition

Aluminum (Al), % 0
0.0050 to 0.050
Carbon (C), % 0.2 to 0.6
0.25 to 0.3
Chromium (Cr), % 28 to 32
1.2 to 1.7
Iron (Fe), % 40.8 to 53.8
92.6 to 94.5
Manganese (Mn), % 0 to 2.0
0.2 to 0.5
Molybdenum (Mo), % 0 to 0.5
0.35 to 0.55
Nickel (Ni), % 18 to 22
3.3 to 3.8
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0 to 2.0
0.15 to 0.3
Sulfur (S), % 0 to 0.040
0 to 0.015
Vanadium (V), % 0
0 to 0.12