Tianjin Baode Steel Co., Ltd.
We mainly produce seamless steel pipes, ERW steel pipes, LSAW steel pipes, SSAW steel pipes, as well as stainless steel, alloy steel elbows, tees, reducers, flanges, and other pipe fittings.
-
6 Inch To 4 Inch Pipe ReducerProducts:6 inch to 4 inch pipe alloy steel reducer. Steel grade: ASTM A234 ,WP5,WP9.WP11.WP12.WP22.WP91 etc.read more
-
DN50mm Pipe ReducerProducts:DN50mm pipe alloy steel reducer fittings. Steel grade: ASTM A234 ,WP5,WP9.WP11.WP12.WP22.WP91 etc.read more
-
4 To 2 Inch ReducerProducts:4 to 2 inch alloy steel pipe fittings reducer. Steel grade: ASTM A234 ,WP5,WP9.WP11.WP12.WP22.WP91 etc.read more
-
Gas Reducer FittingProducts:gas reducer fitting alloy steel pipe fittings reducer. Steel grade: ASTM A234 ,WP5,WP9.WP11.WP12.WP22.WP91 etc.read more
Why Choose Us
Our Certifications:
Our products are certified with ISO 9001, ISO 14001, and ISO 45001 standards. We are also recognized as an AAA Credit Enterprise.
Production Market:
Our pipe fittings are exported to over 40 countries and regions, including North America, South America, Southeast Asia, the Middle East, and Africa. Our products have received unanimous praise from both domestic and international customers.
Our Services:
We provide detailed product explanations, answer inquiries, offer solutions, and give product quotations. We keep customers updated on production progress, offer multiple payment methods, and arrange logistics and delivery. Additionally, we provide shipping schedule updates, pre-arrival reminders, and follow-up customer tracking services.

The Alloy Steel Reducer is manufactured using best quality steel. These reducers are used where the diameter of the pipe on the upstream side of the fitting is larger than the downstream side. Owing to the super high strength and corrosion-resistant qualities these reducers are ideal for oil and gas industry.
Description
|
Products |
6 inch to 4 inch pipe alloy steel reducer |
|
Steel grade |
ASTM A234 ,WP5,WP9.WP11.WP12.WP22.WP91 etc |
When selecting the appropriate alloy size head, the following key factors should be considered:
|
Material |
Select suitable materials such as stainless steel and alloy steel based on the usage environment and fluid characteristics to ensure corrosion resistance and strength. |
|
Specification |
Accurately match the diameter and length of the head according to the required flow rate and pipeline diameter, avoiding affecting fluid flow efficiency or connection requirements. |
|
Connection method |
According to the requirements of the pipeline system, choose suitable connection methods such as flange connection and welding connection to ensure the stability and sealing of the connection. |
|
Performance requirements |
Consider the density, strength, corrosion resistance, and other performance indicators of the alloy to meet the needs of specific fields. |
|
Brand and manufacturer |
Choose brands and manufacturers with good reputation and word-of-mouth to ensure product quality and after-sales service. |
Applications
Petrochemical industry: Oil refining, ethylene, coal to oil, coal to olefins and other projects.
Natural gas industry: LNG ships, LNG terminals, and natural gas pipeline projects.
Power station industry: In thermal power plant, the water pipeline used for supercritical units, circulating fluidized beds, power generation boilers, steam turbines, generators and other equipment.
Machinery and equipment manufacturing industry: Equipment structures such as pressure vessel, heat exchanger, fluid control, hydraulic transmission, instrumentation and others.
Shipbuilding, papermaking and machinery manufacturing industry: A large number of alloy steel pipe fittings are needed in the manufacturing process.
The Size Range of Alloy Steel Reducers
The size range of alloy steel reducers can vary significantly depending on the specific requirements of the project. Generally, the size of a reducer is specified by the larger and smaller pipe diameters it connects.
Small - Sized Reducers
Small - Sized alloy steel reducers are often used in applications where space is limited or where the flow rate is relatively low. These reducers can have larger diameters starting from as small as 1/8 inch and going up to around 3 inches. For example, a common small - sized reducer might be a 1 - inch to 3/4 - inch reducer. These are frequently used in instrumentation lines, small - scale chemical processing plants, and laboratory setups.
Medium - Sized Reducers
Medium - Sized reducers are the workhorses of many industrial applications. The larger diameter of these reducers typically ranges from 4 inches to 12 inches. They are used in a wide variety of industries, including oil and gas, water treatment, and power generation. For instance, a 6 Inch To 4 Inch Pipe Reducer is a very common medium - sized reducer. It can be used in pipelines where the flow needs to be adjusted from a larger to a smaller pipe to maintain the right pressure and flow rate.
Metric Sizes
In addition to the imperial sizes, alloy steel reducers are also available in metric sizes. Metric sizes are commonly specified in millimeters (mm). Small metric reducers can start from DN10mm and go up to around DN80mm. Medium - sized metric reducers typically range from DN100mm to DN300mm, and large - sized metric reducers can be DN350mm or larger. A DN50mm Pipe Reducer is a popular choice in many metric - based piping systems, especially in European and Asian countries.
Large - Sized Reducers
Large - Sized alloy steel reducers are used in heavy - duty industrial applications where large volumes of fluids or gases need to be transported. The larger diameter of these reducers can be 14 inches or more, and they can go up to extremely large sizes depending on the project. In the oil and gas industry, for example, large - sized reducers are used in refineries and offshore platforms to handle the high - volume flow of crude oil and natural gas.
Special Applications and Sizes
There are also special - purpose alloy steel reducers for unique applications. For example, Gas Reducer Fitting are designed specifically for gas pipelines. These reducers need to meet strict safety and performance standards. They can come in a variety of sizes, but often have to be carefully selected based on the type of gas, pressure, and flow rate requirements.
Packaging &Transportation

Certifications




FAQ
As one of the leading alloy steel reducer manufacturers and suppliers in China, we warmly welcome you to buy high quality alloy steel reducer made in China here and get pricelist from our factory. For price consultation, contact us.
alloy steel reducer-
ASTM A182 F91 Weld Neck Ring Type Joint WN RTJ Alloy Steel FlangeASTM A182 F91 Weld Neck Ring Type Joint WN RTJ Alloy Steel Flangeread more
-
ASTM A234 WPB 45 Degree Long Radius Seamless Carbon Steel Elbow SpecificationASTM A234 WPB 45 degree long radius seamless carbon steel elbow specificationread more
-
2" X 1" SCH 40 BE ASTM A234 WPB ASME B16.9 CONCENTRIC REDUCER2 X 1 SCH 40 BE ASTM A234 WPB ASME B16.9 CONCENTRIC REDUCERread more
-
A105 Welded Neck RF 4" 300# SCH80 Flanges According To ASME B16.5A105 Welded Neck RF 4 300# SCH80 Flanges according to ASME B16.5read more
