Company news

  • Post time: 09-29-2020

    Galvanized steel pipe is the surface with hot-dip galvanized or electro-galvanized layer. Galvanized steel can increase corrosion resistance and prolong life. Galvanized steel pipe is widely used, except for water, gas, oil, generally low-pressure fluid line pipe, also used oil heater oil industr...Read more »

  • Post time: 09-17-2020

    With the spread of the novel corona virus pneumonia epidemic, the black series has weakened as a whole. After the market opened on February 3, the black series of futures collectively fell to the limit. The overall market was strong and the trading was light. Before the official opening of the Ta...Read more »

  • Post time: 09-15-2020

    Steel pipe anti-corrosion coating process 1: Due to the use of curtain coating, the coating film sags seriously. Besides, due to the unreasonable design of the roller table and chain, the coating film has two longitudinal and multiple circular scratches. This process is removed. The only merit of...Read more »

  • Post time: 09-04-2020

    The steel plate is first pressed into a U shape in the forming die, and then pressed into an 0 shape, and then the inner and outer submerged arc welding is performed. After welding, the diameter Is generally expanded at the end of the full length, which is called the UOE welded pipe, and the one ...Read more »

  • Post time: 09-03-2020

    Large diameter steel pipe forming method 1.Hot push expansion method: push expansion equipment is simple, low cost, convenient maintenance, economical and durable, and flexible product specifications. If you are required to prepare large-diameter steel pipes and other similar products, you only ...Read more »

  • Post time: 09-01-2020

    South American flat-rolled steel import prices ended the week on Friday August 28 showing no clear trend because deals for October-shipment cargoes were very scarce, and customers were still waiting to hear offers for November shipments. Demand was improving in the region from recent lows caused ...Read more »

  • Post time: 08-31-2020

    Pipeline trarsportation is the main transportation method of oil and natural gas. It is one of the five transportation methods in parallel with road, railway, shipping and aviation. It has the advantages of large transportation volume, economical and environmental protection, dosed security, easy...Read more »

  • Post time: 08-28-2020

    On August 27, the domestic steel market narrow range shock, Tangshan pu billet factory price stable quoted 3400 yuan/ton.Recently, steel demand performance is weak, most merchants shipping is not ideal, this week steel inventory further climb.As a result of high cost support, and the traditional ...Read more »

  • Post time: 08-27-2020

    Pipe classification 1.Divided by material: Carbon steel: ASTM/ASME A234 WPB, WPC Alloy: ASTM/ASME A234 WP 1-WP 12-WP 11-WF 22-WP 5-WP 91-WP911,15Mo3 15CrMoVr 35CrMoV Stainless steel: ASTM/ASME A403 WP 304-304L-304H-304LN-304N ASTM/ASME A403 WP 316-316L-316H-316LN-315N-316Ti ASTM/ASME A403 WP 321-...Read more »

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