Hebei Haihao High Pressure Flange & Pipe Fitting Group Co.

  • SINGAPORT PUB PROJECT WITH BV 3.2 CERT

    SINGAPORT PUB PROJECT WITH BV 3.2 CERT

    HEBEI HAIHAO GROUP got a new order for singapore clinet , this end user is PUB singapore .This order pub said need BV doing third –part inspection. HEBEI HAIHAO GROUP While serving the high-end market, we also pay strict attention to quality, and conductin ...
  • Welding method of pipe spools

    Welding method of pipe spools

    We received an inquiry from an old customer in Tunisia this week. The inquiry content of the customer is steel pipe welding flange. There are many customers who need steel pipe spools in the last two years. Today we are going to learn about the welding met ...
  • Large radian ASTM A105 ASME B16.25 olet supplied to Qatar

    Large radian ASTM A105 ASME B16.25 olet supplied to Qatar

    Our regular Qatar customer often ordered the olets products from us. These olets size are from 1/2″ to 24″ , standard it’s ASTM A105, ASME B16.25. The olets with large radian just as the below picture: Large radian ASTM A105 ASME B16.25 o ...
  • API 5L GR B PSL1 large size elbows were shipped to Turkey

    API 5L GR B PSL1 large size elbows were shipped to Turkey

    Last month, a Turkish customer placed an order with us for large size pipe fittings, part of which was large size 90° elbows. The size is 48″, the wall thickness is THICK. 0,500″, the material is API 5L GR B PSL1, the standard is ASME B16.9. AP ...
  • 4 Way Pumping Tee (Cross)

    4 Way Pumping Tee (Cross)

    Haihao Group as a one-stop pipe solution engineering company, we can provide all related products for pipeline. Last week, we attend a bid through our customer from Kazakhstan, the description and drawing of the products as below: 4 Way Pumping Tee ( Cross ...
  • DIN86089 Copper Nickel Concentric Reducer

    DIN86089 Copper Nickel Concentric Reducer

    Haihao group offers all kinds of certified products,including Copper Nickel products. One of our Nigeria customer place an order for us recently, all products for CuNi Fer with Standard DIN86089, 267mm – 219.1mm * 3.0mm/ 219.1mm- 159.0mm * 3.0mm,each ...
  • ASTM A403 WP316L 3D bends exported to Singapore

    ASTM A403 WP316L 3D bends exported to Singapore

    Haihao group is committed to providing the best quality Bends.I believe you are familiar with bend,it’s a common pipe fitting. With the gradual improvement and construction of pipeline facilities,bend, as one of the pipe fittings, has frequently appe ...
  • The delivery of ASTM A105 ASME B16.11 couplings

    The delivery of ASTM A105 ASME B16.11 couplings

    Recently, a customer from England ordered a batch of couplings. The size is 1/4″~2 “, the pressure is 6000#, the material is ASTM A105, the standard is ASME B16.11. After production, we have tested their appearance, size and other aspects and p ...
  • Welding skills of stainless steel bellows and flange pipe

    Welding skills of stainless steel bellows and flange pipe

    Stainless steel bellows are widely used in oil, water and gas pipelines, and most of them have a certain pressure. The thin bellows are often need to welded, but it’s difficult because they are thin (about 0.2mm). Welding methods have fusion welding, brazi ...
  • DH36 steel plate for Marine Grade

    DH36 steel plate for Marine Grade

    We are Hebei Haihao group (HH),we got order form Malaysia shipyard for DH36 steel plate with BV certificate . DH36 is a high tensile strength steel.Steel used in shipbuilding and oil platforms, shipbuilding steel DH36 is hull structural steel. DH36 STEEL P ...
  • Seamless steel pipes are being shipped to Nigeria

    Seamless steel pipes are being shipped to Nigeria

    Recently, one of our Nigerian customers ordered a batch of seamless steel pipes. The size is 12″, the wall thickness is SCH100, the material is ASTM A106 GR.B, the standard is ASME B36.10. After production, we have tested its size and thickness, and ...
  • Corten A flange with DNV 3.2 test

    Corten A flange with DNV 3.2 test

    Client give one more flange order about  material S355 JOWP.After the perfect delivery of the steel pipe order, the customer gave the order of flange. Raw materials and steel pipe orders are the same S355 JOWP ( corten A). DNV 3.2 TEST S355 JOWP Flanges DN ...
  • Reducing flange is being shipped to Italy

    Reducing flange is being shipped to Italy

    About 40 days ago, an Italian customer ordered a batch of reducing flanges, mainly 10 “*6”, 900#, SCH40s, SS316 reducing flanges. Today, the production inspection was completed and they were shipped to Italy. Reducing flange is a kind of specia ...
  • Bangladesh 250 tons of seamless and ERW steel pipe order

    Bangladesh 250 tons of seamless and ERW steel pipe order

    Last quarter, we efficiently completed an order of nearly 250 tons of steel pipe for a new customer in Bangladesh. This order includes seamless steel pipe and ERW steel pipe. Most of the materials are 20 GOST 1050-2013 and standard GOST 10704-91. GOST 1070 ...
  • S32750 use environment and application field

    S32750 use environment and application field

    S32750 material is a super duplex stainless steel designed for applications requiring excellent strength and corrosion resistance.The following is about the use environment and application field of S32750 material: Corrosion resistance and main use environ ...
  • Welding characteristics of duplex stainless steel S32750

    Welding characteristics of duplex stainless steel S32750

    The welding performance of duplex stainless steel S32750 has the advantages of both austenitic and ferritic stainless steel. Compared with ferritic stainless steel and austenitic stainless steel, it is neither significantly reduced in plastic toughness due ...
  • Let me show you about S32750 material

    Let me show you about S32750 material

    S32750 material is a super duplex stainless steel designed for applications requiring excellent strength and corrosion resistance. S32750 alloy contains 25% chromium, 4% molybdenum and 7% nickel. This high molybdenum, chromium and nitrogen content leads to ...
  • Project order for 32750 duplex stainless steel

    Project order for 32750 duplex stainless steel

    32750 material is a super duplex stainless steel supplied in the state of hot working and solution annealing. As a super duplex stainless steel, it combines the ideal aspects of austenite and ferrite grades. Higher chromium, molybdenum and nitrogen content ...
  • Hebei Haihao Group has received for DNV certification

    Hebei Haihao Group has received for DNV certification

    Hebei Haihao Group has received for DNV certificate, and the DNV approves and confirms that Hebei haihao complies with international standards, regulations or recognized DNV rules . This provides Hebei haihao group with proof of high quality and safety sta ...
  • We exported a batch of A182 F316L pipe fittings and flanges to Singapore

    We exported a batch of A182 F316L pipe fittings and flanges to Singapore

    Haihao Group is committed to providing the best quality ASTM A182 F316L flanges and fittings. 316L stainless steel added Mo, so its corrosion resistance, atmospheric corrosion resistance and high temperature strength is particularly good, can be used in ha ...