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石油天然氣輸送用管線管：B(L245)-X70(L485) PSL1

BN(L245N)-X60N(L415N) PSL2

X65Q(L450Q)-X70Q(L485Q) PSL2

BNS(L245NS)-X56(L390NS) PSL2

X60QS(L415QS)-X70QS(L485QS) PSL2

細晶粒結(jié)構(gòu)無縫管鋼管：S275J0H, S275J2H, S355J0H, S355J2H

氣瓶管：30CrMo, 34CrMo4, 4130

生產(chǎn)標(biāo)準

石油天然氣輸送用管線管：API SPEC 5L 《管線鋼管規(guī)范》

細晶粒結(jié)構(gòu)無縫管鋼管：EN10210 《非合金及細晶粒結(jié)構(gòu)鋼熱成型結(jié)構(gòu)管(空心材)》

氣瓶管：GB/T18248 《氣瓶用無縫鋼管》

ASTM A519 《無縫碳素鋼與合金鋼機械管》

規(guī)格尺寸

大口徑薄壁：外徑 Φ323.8-720mm,壁厚 6.35-40mm,長度6-14m

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