In the last post, we share the API 5L Symbols in the API 5L SPEC, this post HYSP is going to share the API 5L Abbreviated terms.

API 5L Abbreviated terms

COWH combination helical welding process for pipe during manufacturing

COWL combination longitudinal welding process for pipe during manufacturing

CTOD crack tip opening displacement

CVN Charpy V-notch

CW continuous welding process for pipe during manufacturing

DWT drop-weight tear

EDI electronic data interchange

EW electric resistance or electric induction welding process for pipe during manufacturing

HAZ heat-affected zone

HBW Brinell hardness

HFW high-frequency electric welding process for pipe during manufacturing

HIC hydrogen-induced cracking

HRC Rockwell hardness, C scale

HV Vickers hardness

IQI image quality indicator

LFW low-frequency electric welding process for pipe during manufacturing

LW laser welding process for pipe during manufacturing

NDT non-destructive testing

PSL product specification level

SAWH submerged-arc helical welding process for pipe during manufacture

SAWL submerged-arc longitudinal welding process for pipe during manufacture

SSC sulfide stress cracking

SWC step-wise cracking

TFL through the flowline

T2, T3 radiographic film classification

USC United States customary

The above is API 5L Abbreviated terms in API 5L SPEC. We hope you have all understanding of those Abbreviated terms. If you have any comments and enquiry about the API 5L standard or API 5L ERW steel pipes, please contact us – HYSP.

DOWNLOAD: API 5L Abbreviated terms