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EN 1.3551 Steel vs. EN 1.3536 Steel

Both EN 1.3551 steel and EN 1.3536 steel are iron alloys. Both are furnished in the spheroidized condition. They have a moderately high 94% 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 1.3536 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
200
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
660

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Maximum Temperature: Mechanical, °C 530
440
Melting Completion (Liquidus), °C 1490
1450
Melting Onset (Solidus), °C 1450
1410
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 36
41
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.6
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 9.9
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
2.9
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 4.9
1.6
Embodied Energy, MJ/kg 71
21
Embodied Water, L/kg 82
55

Common Calculations

PREN (Pitting Resistance) 18
2.8
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 26
23
Strength to Weight: Bending, points 23
22
Thermal Diffusivity, mm2/s 9.8
11
Thermal Shock Resistance, points 21
19

Alloy Composition

Aluminum (Al), % 0
0 to 0.050
Carbon (C), % 0.77 to 0.85
0.93 to 1.1
Chromium (Cr), % 3.9 to 4.3
1.7 to 2.0
Copper (Cu), % 0 to 0.3
0 to 0.3
Iron (Fe), % 88.8 to 91.1
96 to 97.4
Manganese (Mn), % 0.15 to 0.35
0.6 to 0.8
Molybdenum (Mo), % 4.0 to 4.5
0.2 to 0.35
Oxygen (O), % 0
0 to 0.0015
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0 to 0.4
0.15 to 0.45
Sulfur (S), % 0 to 0.015
0 to 0.030
Tungsten (W), % 0 to 0.25
0
Vanadium (V), % 0.9 to 1.1
0