Hebei Haihao Group

  • ASTM A182 F304 forged steel pipe fittings: your solution for extreme environments

    ASTM A182 F304 forged steel pipe fittings: your solution for extreme environments

    ASME B16.11 ASTM A182 F304 forged steel pipe  fittings and ASME B16.11 ASTM A182 F316 forged steel pipe fittings are essential components in extreme environments where standard pipe fittings cannot withstand the harsh conditions. These fittings are made fr ...
  • Difference between ASME B16.11 ASTM A182 F304  pipe fittings and F316 pipe fittings

    Difference between ASME B16.11 ASTM A182 F304 pipe fittings and F316 pipe fittings

    ASME B16.11 is a standard specification that provides the detailed dimensions, material requirements, and testing procedures for forged steel fittings, socket-welding, and threaded. It covers fittings in sizes from 1⁄8 inch to 4 inches in diameter, with pr ...
  • What are ASME B16.11 ASTM A182 F316 pipe fittings?

    What are ASME B16.11 ASTM A182 F316 pipe fittings?

    ASME B16.11 ASTM A182 F316 pipe fittings are high quality fittings that are designed for use in demanding applications where high pressure and temperature conditions are present. These fittings are manufactured according to ASME B16.11 standards and are ma ...
  • What are ASME B16.11 ASTM A182 F304 pipe fittings?

    What are ASME B16.11 ASTM A182 F304 pipe fittings?

    In the field of piping, ASME B16.11 is the standard that governs the requirements for forged fittings, including elbow, tee, cross, coupling, and union, among others. Meanwhile, ASTM A182 F304 is the specification for forged or rolled alloy and ...
  • 3PE coating on B36.10M BE A53 Gr.B ERW steel pipes

    3PE coating on B36.10M BE A53 Gr.B ERW steel pipes

    B36.10M A53 Gr.B steel pipes are widely used in many industries. However, to ensure the durability and longevity of these pipes, they need to be protected with a coating. One such coating is the 3PE coating, which is widely used on B36.10M A53 Gr.B steel p ...
  • Blind Flange RF ASTM A182 Gr.F304/ 304L used in Arctic LNG2 project

    Blind Flange RF ASTM A182 Gr.F304/ 304L used in Arctic LNG2 project

    The blind flange RF ASTM A182 Gr.F304/304L is a high-quality flange produced by Haihao Group. This flange is specially designed to provide a reliable and leak-proof seal for pipe ends and vessels that require closure. Made from ASTM A182 Gr.F304/304L mater ...
  • ASTM A403 Gr. WP304/304L pipe fittings and ASTM A182 F304/304L/F316/F316L flanges pass the low temperature impact test, HIC SSC detection

    ASTM A403 Gr. WP304/304L pipe fittings and ASTM A182 F304/304L/F316/F316L flanges pass the low temperature impact test, HIC SSC detection

    The Arctic 2 project has very strict quality inspection requirements for products. Our range of ASTM A403 Gr. WP304/304L ASME 90 degree elbows/tees and reducers, ASTM A182 F304/ 304L / F316/ F316L ASME B16.5 weld neck flanges,ASTM A182 Gr.F304/ 304L ASME B ...
  • Supplying the Arctic LNG2 Project: Overcoming Technical Challenges in Producing High-Quality Low Temperature Resistant Pipe Fittings

    Supplying the Arctic LNG2 Project: Overcoming Technical Challenges in Producing High-Quality Low Temperature Resistant Pipe Fittings

    We are proud to have successfully supplied products to the Arctic 2 project. This was a challenging project that required us t provide products that could withstand extreme temperatures and harsh environmental conditions. We rose to the challenge and provi ...
  • ASTM A182 316/316L, ASTM A350 Gr.LF2 weld neck flanges and blind flanges ready for delivery

    ASTM A182 316/316L, ASTM A350 Gr.LF2 weld neck flanges and blind flanges ready for delivery

    Haihao Group had recently supplied a batch of flange products to their customers. The products were of high quality, and the company had ensured that they adhered to the required standards. The product list included a range of flange types, such as ASTM A3 ...
  • Delivery of Zinc Rich Epoxy Paint Coating B16.49 API 5L GR.B Elbow

    Delivery of Zinc Rich Epoxy Paint Coating B16.49 API 5L GR.B Elbow

    At the beginning of this year, Saudi customers ordered a batch of B16.49 API5L GR.B elbows, B16.9 A234WPB tees, AWWA C207 CLASS E HUB slip on flanges, B16.47 A weld neck flanges and blind flanges in Haihao and other accessories. According to the customer&# ...
  • Saudi customer orders B16.49 API 5L GR. B large diameter bends

    Saudi customer orders B16.49 API 5L GR. B large diameter bends

    As a company specializing in the research, development, production, and sales of pipeline engineering supporting products, Haihao Group often receives orders from around the world. At the beginning of this year, a Saudi Arabian customer’s oil project ...
  • Characteristics of epoxy powder coatings

    Characteristics of epoxy powder coatings

    As an enterprise dedicated to providing customers with one-stop pipeline engineering products and services, Haihao Group not only has rich pipeline supporting products, but also has the ability to provide customers with coating treatment and engineering so ...
  • Seven industries with the most valves

    Seven industries with the most valves

    Valve is a widely used equipment, which can be found almost anywhere. It is active in the streets, houses, power plants and paper mills, refineries and various infrastructure and industrial facilities. In recent years, Haihao has gradually and increasingly ...
  • Type of reducer

    Type of reducer

    The function of the reducer is to make the pipe diameter change. From the direction of fluid movement, most of them change from large to small, and some of them change from small to large. For example, the reducer of steam return pipe and sewer pipe change ...
  • Some technical requirements for FPSO supply

    Some technical requirements for FPSO supply

    Due to the special marine environment, the products used on FPSOs often have higher quality requirements. It is necessary to take into account various factors such as the changeable weather on the sea, sea water corrosion, sea water impact and so on. There ...
  • Haihao provides one-stop pipeline product services for customers

    Haihao provides one-stop pipeline product services for customers

    Not long ago, the world’s largest natural gas processing FPSO that Haihao participated in the supply completed the trial run. In this cooperation, Haihao has fully demonstrated its professional level. When ordering flanges and other products, the cus ...
  • Celebrate the 40th anniversary of Haihao Group

    Celebrate the 40th anniversary of Haihao Group

    Endeavour for 40 years, passion for the future. In 1982, Hebei Haihao Group officially established its factory in Mengcun County, the hometown of pipe fittings in China. From a few people to more than 700 people, Haihao has always put product quality and s ...
  • Prefabricated product-Stanchions

    Prefabricated product-Stanchions

    The following is a set of product drawing provided by British customers, it may be a railing for stairs. We are good at prefabricated goods, so we are very willing and professional to produce these drawing products. Drawing for prefabricated product Stanch ...
  • API 5L PSL2 3LPE seamless pipes supplied to the North Rumaila oilfield

    API 5L PSL2 3LPE seamless pipes supplied to the North Rumaila oilfield

    Rumaila Oilfield is located 50 kilometers west of Basra in southern Iraq. It is a giant oilfield, ranking sixth in the world. The amount of external procurement is very large every year. Our company supplies oil, gas, shipbulding, water treatment and other ...
  • ASTM A403 WP 304 TRANSITION NOZZLE

    ASTM A403 WP 304 TRANSITION NOZZLE

    Our company specialized in producing flanges and pipe fittings. It is also a professional work for us to weld fittings and flanges together. In addition, prefabricated products are also our advantages. We often produce some non-standard products according ...