Excel Metal And Engineering Industries manufactures carbon steel pipes and tubes. Excel Metal And Engineering Industries is the manufacturer of alloy steel pipes and tubes. Carbon steel pipes and tubes are used in chemical industries, petrochemical industries, refineries and several other industries. The standard size of pipes and tubes starts from 15 NB and is available up to 1200 NB. Carbon steel pipes and tubes are available in different forms like ERW, seamless, welded in round and square shapes. Standards for carbon steel pipes and tubes are ASTM / ASME A 53 GR. A & B, ASTM A 106 GR. A, B & C. API 5L GR. B etc. Standards for alloy steel pipes and tubes include ASTM / ASME A 335 GR P 1, P 5, P 9, P 11 etc.