... mm Steel Grade:ASTM A106A/A106B/A Features:1ProductGas and water tube2Type Hot rolled ,cold drawn or precision ... , precision machines, petro-chemical, ship, structure pipe, automobile,shock absorber,building, geology, fluid tubes, line ... will be negotiable in any bank of China11Tolerance Quantity and total amount tolerance: -5%/+5%;12Testing We ... ISO9001 API5L API5CT TS16949 ISO14001 oil and gas pipe