EN 1.7272 Steel vs. AWS E316LMn

Both EN 1.7272 steel and AWS E316LMn are iron alloys. They have 55% of their average alloy composition in common. There are 19 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 1.7272 steel and the bottom bar is AWS E316LMn.

EN 1.7272 (31CrMoB2-1) Boron Steel AWS E316LMn (W31622) 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		0.28

Shear Modulus, GPa		73
Shear Modulus, GPa		79

Tensile Strength: Ultimate (UTS), MPa		490 to 1650
Tensile Strength: Ultimate (UTS), MPa		620

Thermal Properties

Latent Heat of Fusion, J/g		250
Latent Heat of Fusion, J/g		300

Melting Completion (Liquidus), °C		1460
Melting Completion (Liquidus), °C		1420

Melting Onset (Solidus), °C		1420
Melting Onset (Solidus), °C		1370

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

Thermal Expansion, µm/m-K		13
Thermal Expansion, µm/m-K		14

Otherwise Unclassified Properties

Base Metal Price, % relative		2.2
Base Metal Price, % relative		24

Density, g/cm³		7.8
Density, g/cm³		7.9

Embodied Carbon, kg CO₂/kg material		1.5
Embodied Carbon, kg CO₂/kg material		4.6

Embodied Energy, MJ/kg		19
Embodied Energy, MJ/kg		64

Embodied Water, L/kg		49
Embodied Water, L/kg		180

Common Calculations

Stiffness to Weight: Axial, points		13
Stiffness to Weight: Axial, points		14

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

Strength to Weight: Axial, points		17 to 59
Strength to Weight: Axial, points		22

Strength to Weight: Bending, points		18 to 40
Strength to Weight: Bending, points		20

Thermal Shock Resistance, points		14 to 48
Thermal Shock Resistance, points		15

Alloy Composition

Boron (B), %		0.00080 to 0.0050
Boron (B), %		0

Carbon (C), %		0.28 to 0.33
Carbon (C), %		0 to 0.040

Chromium (Cr), %		0.4 to 0.55
Chromium (Cr), %		18 to 21

Copper (Cu), %		0 to 0.25
Copper (Cu), %		0 to 0.75

Iron (Fe), %		97.2 to 98.3
Iron (Fe), %		47.5 to 59.4

Manganese (Mn), %		0.9 to 1.2
Manganese (Mn), %		5.0 to 8.0

Molybdenum (Mo), %		0.1 to 0.15
Molybdenum (Mo), %		2.5 to 3.5

Nickel (Ni), %		0
Nickel (Ni), %		15 to 18

Nitrogen (N), %		0
Nitrogen (N), %		0.1 to 0.25

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

Silicon (Si), %		0 to 0.3
Silicon (Si), %		0 to 0.9

Sulfur (S), %		0 to 0.025
Sulfur (S), %		0 to 0.030