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AWS E330H vs. EN 1.4986 Stainless Steel

Both AWS E330H and EN 1.4986 stainless steel are iron alloys. They have 80% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is AWS E330H and the bottom bar is EN 1.4986 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 11
18
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 76
77
Tensile Strength: Ultimate (UTS), MPa 690
750

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Melting Completion (Liquidus), °C 1400
1450
Melting Onset (Solidus), °C 1350
1400
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 12
15
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 30
25
Density, g/cm3 8.1
7.9
Embodied Carbon, kg CO2/kg material 5.4
4.8
Embodied Energy, MJ/kg 76
67
Embodied Water, L/kg 180
150

Common Calculations

PREN (Pitting Resistance) 17
22
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 24
26
Strength to Weight: Bending, points 22
23
Thermal Diffusivity, mm2/s 3.2
4.0
Thermal Shock Resistance, points 19
16

Alloy Composition

Boron (B), % 0
0.050 to 0.1
Carbon (C), % 0.35 to 0.45
0.040 to 0.1
Chromium (Cr), % 14 to 17
15.5 to 17.5
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 40.5 to 51.7
59.4 to 66.6
Manganese (Mn), % 1.0 to 2.5
0 to 1.5
Molybdenum (Mo), % 0 to 0.75
1.6 to 2.0
Nickel (Ni), % 33 to 37
15.5 to 17.5
Niobium (Nb), % 0
0.4 to 1.2
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 1.0
0.3 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.030