列表:API 5L
API 5L X80 PSL2 line pipe (04-18)
API 5L X70 pipeline (01-29)
API 5L X65 pipeline (01-29)
API 5L X60 pipeline (01-29)
API 5L X56 pipeline (01-29)
API 5L X52 pipeline (01-29)
API 5L X46 pipeline (01-29)
API 5L X42 pipeline (01-29)
API 5L Grade B pipeline (01-29)
API 5L Grade A pipeline (01-29)
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