Forged socket weld pipe fittings are produced in conform with ASTM A182 and ASME B16.11, and available available in material of carbon steel, alloy steel and stainless steel.

ASTM A182 standard specification covers forged or rolled alloy and stainless steel pipe flanges, forged fittings, and valves and parts for high-temperature service. After hot working, forgings shall be cooled to a specific temperature prior to heat treatment, which shall be performed in accordance with certain requirements such as heat treatment type, austenitizing/solution temperature, cooling media, and quenching.

ASME B16. 11 is the standard for the forged steel fittings, including socket weld and threaded type. Material including carbon steel, alloy steel and stainless steel. Also described as Class 2000, 3000, 6000 threaded end fittings and Class 3000, 6000, and 9000 for socket weld end fittings.

Zizi Engineering is one of the top manufacturer, exporter and supplier of steel pipe fittings & flanges which are available in various sizes, dimension and shapes according to our client’s requirement.

Specification

Type

Socket Weld Elbow

There are two types that 90 degree elbow and 45 degree elbow.

Socket Weld Tee & Cross

Compare run pipe with branch pipe size, we can divided into socket weld equal tee & cross and reducing tee & cross.

Socket Weld Cap

It is used to insert a pipe into socket and then weld it for sealing the end of pipeline.

Socket Weld Coupling

There are four types that full coupling, half coupling, straight coupling and reducing coupling. It is used to connect two pipes or tubes whatever the diameter size is same or not.

Socket Weld Union

It is a pipe attachment detail in which a pipe is inserted into a recessed area of a Valve, fitting or flange.

Chemical Composition

Mechnical Properties

APPLICATION INDUSTRIES

• Off-Shore Oil Drilling Companies
• Power Generation
• Petrochemicals
• Sea Water Equipment
• Heat Exchangers
• Condensers
• Gas Processing
• Specialty Chemicals
• Pharmaceuticals
• Pharmaceutical Equipment
• Chemical Equipment
• Pulp and Paper Industry

Zizi Engineering Co., Ltd is a leading industrial pipe fittings and flanges supplier for construction, petrochemical and oilfield customers.
We engaged in the manufacture and export of industrial pipe fittings for 9 years, our products have been sold to 37 countries around the world. We have a modern and professional manufacturing plant, established two warehouses near the harbor one after another. They are the base for our ability to offer high quality products and fast delivery.

Our products mainly are butt weld fittings, forged pipe fitings and forged steel flanges in stainless steel, carbon steel and alloy steel. They are produced according to ASME/ANSI American standards, DIN Germany Standards, JIS Japanese standards or as customer required. Those products are widely used in petrochemical industry, shipbuilding, oil field in ocean, electric power or city building.

Since we are founded, we are concentrated to be a professional global manufacture company with best products and service. Eventually we get some achievements after years of harding working and presistence. 

We will always insists on the managing objective of " quality first, service supreme, reasonable price". On the basis of continuously perfection the current products, our company persistently innovates upon the productive technology, provides vast customers with all kinds of superior new goods. We are willing to sincerely cooperate with friends from all walks of life to create a better future.