Concentric Reducer | ASME B16.9 | 12Cr1MoV | Butt Welded Fitting | Yadu High Pressure Pipe Fitting

General Description

Hebei Yadu Pipeline Equipment Group Co., Ltd. is a Chinese leading manufacturer & supplier of high-pressure pipe fittings，pipelines and flanges for over 40 years experience.

Our main products are High pressure reducers,elbows,tees,pipe caps,bend,flanges,forged socket fittings,forged threaded fittings etc.Production range:Nominal Diameter:DN10-DN3600;Wall Thickness:3mm-100mm;Material:carbon steel,alloy steel,stainless steel etc. International Standard: ASME B16.9;GB12459;DIN2615;GOST17375;JIS B2311 etc.

Our products are widely used in industrial pipelines in petroleum, chemical, natural gas, electric power and nuclear power, metallurgy, shipbuilding, food, pharmaceutical and other industries.

The company has established a sound quality assurance system in strict accordance with the ISO9001:2000 quality management standard, and can organize production in accordance with international advanced standards, and has obtained "international standards ASTM, API, CE, GOST and other certifications", pressure piping components manufacturing certificate, and obtained the French "Factory Approval Certificate" from Classification Society, China Classification Society, American Bureau of Shipping, etc.

Yadu Group's products are sold to more than 30 countries,  all over Middle East, Southeast Asia, South America, Europe. Yadu Group is a manufacturer of high-pressure pipes and fittings serving the world. Competitive price, excellent quality and best service, we are your best choice. Looking forward to cooperating with your company. Yadu will work side by side with you to meet your needs.

Product Description

Concentric Reducer | ASME B16.9 | 12Cr1MoV | Butt Welded Fitting  | Yadu High Pressure Pipe Fitting 

The characteristics of the material of the alloy reducer (large and small head) pipe fittings are that this type of steel is a low-carbon structural steel with a small content of alloying elements, generally below 3%, and its strength is significantly higher than that of the same carbon content. Carbon steel has good toughness and plasticity, as well as good weldability and corrosion resistance. In order to improve and improve the performance of steel, other alloying elements, such as silicon, manganese, chromium, nickel, are added on the basis of carbon steel. , tungsten, vanadium, titanium, etc., this steel is called alloy steel (Alloy steel).

The alloy reducer (alloy size head) has different properties according to the different alloying elements added, such as high wear resistance, corrosion resistance, low temperature resistance, high magnetic properties and other good special properties.

Processing technology of reducer:

A. Diameter reduction/expansion forming

1. The diameter reduction forming process of the reducer is to put the tube blank with the same diameter as the large end of the reducer into the forming die, and by pressing along the axial direction of the tube blank, the metal moves along the cavity and shrinks to form. According to the size of the reducing diameter of the reducer, it is divided into one press forming or multiple press forming.

2. Diameter expansion forming is to use a tube blank smaller than the diameter of the large end of the reducer, and use an inner die to expand the diameter along the inner diameter of the tube blank. The diameter expansion process mainly solves the situation that the reducer with a larger diameter is not easy to be formed by reducing the diameter. Sometimes the methods of expanding diameter and reducing diameter are combined according to the needs of material and product forming.

In the process of diameter reduction or expansion deformation, cold pressing or hot pressing is determined according to different materials and diameter reduction conditions. Under normal circumstances, cold pressing should be used as much as possible, but hot pressing should be used for severe work hardening caused by multiple diameter changes, thick wall thickness or alloy steel materials.

B. Stamping

In addition to using steel pipes as raw materials to produce reducers, the reducers of some specifications can also be produced by stamping and forming process from steel plates. The shape of the die used for stretching is designed with reference to the inner surface size of the reducer, and the blanked steel plate is punched and stretched by the die.

Test and Inspection Equipments

Certifications

Why Choose Yadu Group

More than 40 years manufacturing experience in high pressure pipe fittings and flange.

Top quality products, API Certificate, CE Certificate, ERC Certificate, EC Certificate etc.

Products can be customized.

Fast response time, we promise to reply customer’s email within 24 hours

Competitive prices for giving clients the maximum profit

The shortest lead times, plenty of equipments and workers to ensure the delivery on time

Best quality after-sales service for every customer

Please fell free to share your inquiry to us. 

HEBEI YADU PIPELINE EQUIPMENT GROUP CO.,LTD

Add: Liu Tan Industry Area,Mengcun Cangzhou City, Hebei Province,China.

Email: sales@yadufittings.com 

Tel:+86 18830732387

Mob/Whatsapp/Wechat: +86 18830732387

Website: http://www.yadufittings.com