MATERIAL WELDING PROPERTIES
PetroStreet
Full Spec. Name:
Alloy Designation/UNS No:
Discription:
SA-209 Gr. T1
K11522
Standard Specification for Seamless
Carbon-Molybdenum Alloy-Steel Boiler
and Superheater Tubes
SA-209 Gr. T1a
K12023
Standard Specification for Seamless CarbonMolybdenum Alloy-Steel Boiler and Superheater
Tubes
Product Form:
P. Number:
G. Number:
Min. Tensile Strength (ksi.):
Min. Yield Strength (ksi):
Nominal Composition:
Smls. Tube
3
1
55
30
C–1Ú2Mo
Smls. Tube
3
1
60
32
C–1Ú2Mo
Chemical Composition:
Carbon (C)
Manganese (Mn)
Silicon (Si)
Sulfur (S)
Phosphorus (P)
Molybdenum (Mo)
0.10-0.20
0.30-0.80
0.10-0.50
0.025
0.025
0.44-0.65
0.15-0.25
0.30-0.80
0.10-0.50
0.025
0.025
0.44-0.65
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