
Yantai hengyuan industry and trade Co., Ltd. export about 25000-35000tons pipes every year, including seamless, ERW, LSAW, SSAW pipes. Surface bare, anti-rusty coating, FBE/PE/PP/LPE coating, galvanized, etc. seamless size rang from 1/2” to 12”(part for 14” and 16” random length). Normal specification: ASTM A53/A106/API 5L, ASTM A333 GR.6, DIN1629/2448 ST44/ST52, EN10297 E355and all GB standards. bare tubing: API 5CT J55,K55,N80 welded size range from 21.3mm to 2845mm. normal spec: ASTM A53/A106/API 5L, API 5CT and GB standards. Main market are America, south America,&nb... [
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