od:φ21.3mm-φ711mm;wt:2.8mm-59.5mm
variety:oil&gas transportation and offshore pipe line
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api 5l series
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hs series
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low temperature series
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psl1
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psl2
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sour&offshore service
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astm a333/a333m
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general service
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offshore service
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sour service
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a/l210
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b/l245
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bn/l245n
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bno/l245no
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bns/l245ns
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hsl245s/o
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gr3,gr6
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bq/l245q
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bqo/l245qo
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bqs/l245qs
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x42/l290
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x42n/l290n
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x42no/l290no
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x42ns/l290ns
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hsl290s/o
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x42q/l290q
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x42qo/l290qo
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x42qs/l290qs
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x46/l320
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x46n/l320n
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x46no/l320no
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x46ns/l320ns
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hsl320s/o
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x46q/l320q
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x46qo/l320qo
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x46qs/l320qs
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x52/l360
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x52n/l360n
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x52no/l360no
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x52ns/l360ns
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hsl360s/o
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x52q/l360q
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x52qo/l360qo
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x52qs/l360qs
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x56/l390
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x56n/l390n
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----
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----
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hsl390s/o
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x56q/l390q
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x56qo/l390qo
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x56qs/l390qs
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x60/l415
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x60n/l415n
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----
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----
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----
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x60q/l415q
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x60qo/l415qo
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x60qs/l415qs
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hsl415s/o
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x65/l450
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x65q/l450q
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x65qo/l450qo
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x65qs/l450qs
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hsl450s/o
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x70/l485
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x70q/l485q
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x70qo/l485qo
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x70qs/l485qs
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hsl485s/o
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gr8
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x80q/l555q
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x80qo/l555qo
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x90q/l625q
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x90qo/l625qo
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x100q/l690q
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x100qo/l690qo
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