3rd Flashcards
CSA welding standard
W59
CSA standard for companies
W47.1
What does w59 have to off set costs of making a welding procedure?
A number if preferred qualified welding procedures
What is creep?
Molecules start to shift at higher temp
Advantages of standardize
Increased quality and reliability
Cwb difference between class and classification?
Classification: refers to T,S,FW,ASW, OR WT (t open root, s with backing for example)
Class refers to position
CWB how wide are each specimen?
38 mm
How big is the cwb gap between plates
2G : 8mm
Others 13 mm
What gets a vessel excluded from absa
Not exceeding 15 psi
Not exceeding 6 inches
What is the best process for ship building?
SAW
ASME boiler code section
VIII
ASME section on non destructive testing
V
Can the quality of steel welded to a boiler be of different quality.
Must be at the same quality
Tapered transition ratio
3:1
Temp your not supposed to weld below
-18