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EN 1.3551 Steel vs. EN 1.6582 Steel

Both EN 1.3551 steel and EN 1.6582 steel are iron alloys. They have a moderately high 92% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.3551 steel and the bottom bar is EN 1.6582 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
190 to 300
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 75
73
Tensile Strength: Ultimate (UTS), MPa 720
620 to 1750

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Maximum Temperature: Mechanical, °C 530
440
Melting Completion (Liquidus), °C 1490
1460
Melting Onset (Solidus), °C 1450
1420
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 36
40
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.6
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 9.9
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
3.6
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 4.9
1.7
Embodied Energy, MJ/kg 71
22
Embodied Water, L/kg 82
56

Common Calculations

PREN (Pitting Resistance) 18
2.2
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 26
22 to 62
Strength to Weight: Bending, points 23
21 to 41
Thermal Diffusivity, mm2/s 9.8
11
Thermal Shock Resistance, points 21
18 to 51

Alloy Composition

Carbon (C), % 0.77 to 0.85
0.3 to 0.38
Chromium (Cr), % 3.9 to 4.3
1.3 to 1.7
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 88.8 to 91.1
94.7 to 96.5
Manganese (Mn), % 0.15 to 0.35
0.5 to 0.8
Molybdenum (Mo), % 4.0 to 4.5
0.15 to 0.3
Nickel (Ni), % 0
1.3 to 1.7
Phosphorus (P), % 0 to 0.025
0 to 0.035
Silicon (Si), % 0 to 0.4
0 to 0.4
Sulfur (S), % 0 to 0.015
0 to 0.035
Tungsten (W), % 0 to 0.25
0
Vanadium (V), % 0.9 to 1.1
0