AWS ER80S-B8 or ER55S-B8 (S50480) Weld Metal
Alloy Steels
Property Overview
Density7.8g/cm³
Elastic Modulus190GPa
Tensile Strength630MPa
Yield Strength530MPa
Brinell HardnessUnknown
Maximum Service TemperatureUnknown
Chemical Composition
C
0 to 0.1%
CR
8.0 to 10.5%
NI
0 to 0.5%
MO
0.8 to 1.2%
MN
0.4 to 0.7%
SI
0 to 0.5%
P
0 to 0.025%
S
0 to 0.025%
CU
0 to 0.35%
RES.
Residuals res. | | 0 to 0.5%
RESIDUALS RES.
0 to 0.5%
FE
85.6 to 90.8%
Mechanical
Elastic (Young's, Tensile) Modulus
190 GPa
Elongation at Break
19 %
Poisson's Ratio
0.28
Shear Modulus
75 GPa
Tensile Strength: Ultimate (UTS)
630 MPa
Tensile Strength: Yield (Proof)
530 MPa
Physical
Density
7.8 g/cm 3
Thermal
Latent Heat of Fusion
270 J/g
Melting Completion (Liquidus)
1460 °C
Melting Onset (Solidus)
1410 °C
Specific Heat Capacity
470 J/kg-K
Thermal Conductivity
26 W/m-K
Thermal Diffusivity
6.9 mm 2 /s
Thermal Expansion
13 µm/m-K
Thermal Shock Resistance
17 points
Electrical
Electrical Conductivity: Equal Volume
8.1 % IACS
Electrical Conductivity: Equal Weight (Specific)
9.3 % IACS
Calculated
PREN (Pitting Resistance)
13
Resilience: Ultimate (Unit Rupture Work)
120 MJ/m 3
Resilience: Unit (Modulus of Resilience)
720 kJ/m 3
Stiffness to Weight: Axial
14 points
Stiffness to Weight: Bending
25 points
Strength to Weight: Axial
22 points
Strength to Weight: Bending
21 points
Environmental
Base Metal Price
6.5 % relative
Embodied Carbon
2.0 kg CO 2 /kg material
Embodied Energy
28 MJ/kg
Embodied Energy
28 MJ/kg 12 x 10 3 BTU/lb
Embodied Water
89 L/kg
Embodied Water
89 L/kg 11 gal/lb
Registered Designations & Aliases
AWS ER80S-B8 or ER55S-B8 (S50480) Weld MetalS50480