EN 1.6587 Steel vs. AWS E312

Both EN 1.6587 steel and AWS E312 are iron alloys. They have 63% of their average alloy composition in common. There are 20 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 EN 1.6587 steel and the bottom bar is AWS E312.

EN 1.6587 (18CrNiMo7-6) Case-Hardening Bearing Steel AWS E312 (W31310) Weld Metal

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		190
Elastic (Young's, Tensile) Modulus, GPa		200

Poisson's Ratio		0.29
Poisson's Ratio		0.27

Shear Modulus, GPa		73
Shear Modulus, GPa		80

Tensile Strength: Ultimate (UTS), MPa		520 to 1420
Tensile Strength: Ultimate (UTS), MPa		740

Thermal Properties

Latent Heat of Fusion, J/g		250
Latent Heat of Fusion, J/g		310

Melting Completion (Liquidus), °C		1460
Melting Completion (Liquidus), °C		1410

Melting Onset (Solidus), °C		1420
Melting Onset (Solidus), °C		1360

Specific Heat Capacity, J/kg-K		470
Specific Heat Capacity, J/kg-K		480

Thermal Expansion, µm/m-K		13
Thermal Expansion, µm/m-K		15

Otherwise Unclassified Properties

Base Metal Price, % relative		3.8
Base Metal Price, % relative		20

Density, g/cm³		7.9
Density, g/cm³		7.7

Embodied Carbon, kg CO₂/kg material		1.7
Embodied Carbon, kg CO₂/kg material		3.6

Embodied Energy, MJ/kg		22
Embodied Energy, MJ/kg		52

Embodied Water, L/kg		58
Embodied Water, L/kg		200

Common Calculations

PREN (Pitting Resistance)		2.6
PREN (Pitting Resistance)		31

Stiffness to Weight: Axial, points		13
Stiffness to Weight: Axial, points		15

Stiffness to Weight: Bending, points		24
Stiffness to Weight: Bending, points		25

Strength to Weight: Axial, points		18 to 50
Strength to Weight: Axial, points		27

Strength to Weight: Bending, points		18 to 36
Strength to Weight: Bending, points		24

Thermal Shock Resistance, points		15 to 42
Thermal Shock Resistance, points		18

Alloy Composition

Aluminum (Al), %		0 to 0.050
Aluminum (Al), %		0

Carbon (C), %		0.15 to 0.21
Carbon (C), %		0 to 0.15

Chromium (Cr), %		1.5 to 1.8
Chromium (Cr), %		28 to 32

Copper (Cu), %		0 to 0.3
Copper (Cu), %		0 to 0.75

Iron (Fe), %		94.4 to 96.4
Iron (Fe), %		52.3 to 63.5

Manganese (Mn), %		0.5 to 0.9
Manganese (Mn), %		0.5 to 2.5

Molybdenum (Mo), %		0.25 to 0.35
Molybdenum (Mo), %		0 to 0.75

Nickel (Ni), %		1.4 to 1.7
Nickel (Ni), %		8.0 to 10.5

Oxygen (O), %		0 to 0.0020
Oxygen (O), %		0

Phosphorus (P), %		0 to 0.025
Phosphorus (P), %		0 to 0.040

Silicon (Si), %		0 to 0.4
Silicon (Si), %		0 to 1.0

Sulfur (S), %		0 to 0.030
Sulfur (S), %		0 to 0.030