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EN 1.6958 Steel vs. AWS E316H

Both EN 1.6958 steel and AWS E316H are iron alloys. They have 70% 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 EN 1.6958 steel and the bottom bar is AWS E316H.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 16
34
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
78
Tensile Strength: Ultimate (UTS), MPa 1140
580

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1390
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 47
15
Thermal Expansion, µm/m-K 11
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.9
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 9.1
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 5.0
20
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 2.0
4.0
Embodied Energy, MJ/kg 27
55
Embodied Water, L/kg 60
160

Common Calculations

PREN (Pitting Resistance) 2.9
27
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 40
21
Strength to Weight: Bending, points 31
20
Thermal Diffusivity, mm2/s 13
4.0
Thermal Shock Resistance, points 39
15

Alloy Composition

Aluminum (Al), % 0.0050 to 0.050
0
Carbon (C), % 0.25 to 0.3
0.040 to 0.080
Chromium (Cr), % 1.2 to 1.7
17 to 20
Copper (Cu), % 0
0 to 0.75
Iron (Fe), % 92.6 to 94.5
58.6 to 69.5
Manganese (Mn), % 0.2 to 0.5
0.5 to 2.5
Molybdenum (Mo), % 0.35 to 0.55
2.0 to 3.0
Nickel (Ni), % 3.3 to 3.8
11 to 14
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0.15 to 0.3
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030
Vanadium (V), % 0 to 0.12
0