Equivalent SA 179 Seamless Tube Cold / Hot Drawn Heat Exchanger Steel Pipe 50.80mmX2.3mm

Equivalent Cold Or Hot Drawn 50.80 Mm X 2.3mm Sa 179 Heat Exchanger Steel Tube

Product Description: Generally, domestic boiler companies purchase high-pressure boiler tubes according to GB5310 or enterprise procurement regulations (ordering technical conditions). Non-destructive testing generally adopts eddy current and ultrasonic automatic flaw detection. It is required to conduct eddy current flaw detection for steel pipes one by one. ;Steel pipes shall be subjected to ultrasonic flaw detection one by one, and the flaw detection method shall be in accordance with GB5777 grade, and the acceptance criteria for all specifications of steel pipes shall comply with the regulations of L2 grade; the non-destructive testing of outlet pipes or steel pipes delivered in accordance with ASME SA-213 shall be controlled in accordance with SA-450.

Grade and Chemical Composition (%)

Tolerance(SA-450/SA-450M):

JOHO STEEL CO.,LTD, founded in 1988, is a steel group which has integrated steel production, processing and trading into one. We specializes in manufacturing carbon seamless steel pipes, boiler tube/heat exchanger tube and pipes for special uses, besides, it also provides anti-corrosion services and pipes fittings processing for major engineering construction projects. Our products are widely used in the field of oil, gas & fluid transmission, construction projects, chemistry, pharmacy, electricity, agriculture and metalwork etc.

Currently our plant covers an area of 30000M², with a total construction area of 20000M², we have adopted series of advanced production equipment and technology both domestic and abroad, also owned perfect testing equipment.

Our products are cold drawn seamless steel pipe and mainly used on structure , transmission fluid, high pressure boiler pipe, low medium pressure boiler, oil cracking, cold drawn or cold rolled precision and also include low alloy seamless steel pipe. The production annual capacity is 30000 tons for seamless steel pipes. Further more, to expand our business, we have invested and built 2 production lines of Electric High Resistance Welded steel pipes (ERW), 1 production lines of Longitudinally Submerged Arc Welding steel pipe (LSAW), 2 production line of Spiral Submerged Arc Welding steel pipe (SSAW). Thus production annual capacity of steel pipe is over 400,000 metric tons.

JOHO STEEL CO.,LTD introduces the modern enterprise management mechanism and management concept, approved ISO9001 quality certification, widely attract high-tech talents, with advanced equipment, strong technical strength, to provide customers with quality products and perfect service, create excellent JOHO brand. Our products are exported to over 40 countries and districts, including Middle East, East and South Asia, Africa, South American etc.

Under the professional services of sales team and logistics distribution team, all our exported goods passed strict inspection and loading supervision to make sure that the cargo is delivered to customers safely. Our service concept is customer first, integrity and win-win. Endowing top product, good service and excellent credibility, we sincerely would like to cooperate with friends all over the world, to grow together and make a brilliant future.