MakeItFrom.com
Menu (ESC)

AWS ER90S-B3 vs. AWS ER80S-B8

Both AWS ER90S-B3 and AWS ER80S-B8 are iron alloys. Both are furnished in the post-weld heat treated (PWHT) condition. They have a moderately high 93% of their average alloy composition in common.

For each property being compared, the top bar is AWS ER90S-B3 and the bottom bar is AWS ER80S-B8.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 19
19
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
75
Tensile Strength: Ultimate (UTS), MPa 690
630
Tensile Strength: Yield (Proof), MPa 620
530

Thermal Properties

Latent Heat of Fusion, J/g 260
270
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 40
26
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.7
8.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.9
9.3

Otherwise Unclassified Properties

Base Metal Price, % relative 4.1
6.5
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.8
2.0
Embodied Energy, MJ/kg 24
28
Embodied Water, L/kg 60
89

Common Calculations

PREN (Pitting Resistance) 6.0
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
120
Resilience: Unit (Modulus of Resilience), kJ/m3 1000
720
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 25
22
Strength to Weight: Bending, points 22
21
Thermal Diffusivity, mm2/s 11
6.9
Thermal Shock Resistance, points 20
17

Alloy Composition


Deprecated: Automatic conversion of false to array is deprecated in /home/public/compare.php on line 452
Carbon (C), % 0.070 to 0.12
0 to 0.1
Chromium (Cr), % 2.3 to 2.7
8.0 to 10.5
Copper (Cu), % 0 to 0.35
0 to 0.35
Iron (Fe), % 93.5 to 95.9
85.6 to 90.8
Manganese (Mn), % 0.4 to 0.7
0.4 to 0.7
Molybdenum (Mo), % 0.9 to 1.2
0.8 to 1.2
Nickel (Ni), % 0 to 0.2
0 to 0.5
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0.4 to 0.7
0 to 0.5
Sulfur (S), % 0 to 0.025
0 to 0.025
Residuals, % 0 to 0.5
0 to 0.5