API SPEC 5L-美国石油学会标准聊城银盛公司规格齐全现货销售13906358545
管线管规格:8-1240×1-200mm,标准:API SPEC 5L-美国石油学会标准,GB/T9711-中国国家标准!主要材质:X46N/L320N X52N/L360N X56N/L390N X60N/L415N BQ/L245Q X42Q/L290Q X46Q/L320Q X52Q/L360Q X56Q/L390Q X60Q/L415Q BM/L245M X42M//L290M X46M/L320M X52M/L360M X56M/L390M X60M/L415M X656M/L450M X70M/L485M X80M/L555M X90M/L625M/X100M/L690M L120M/L830/等……销售电话13906358545