Welded Pipe Fittings Product List and Ranking from 6 Manufacturers, Suppliers and Companies

Last Updated： Aggregation Period:Nov 05, 2025～Dec 02, 2025
This ranking is based on the number of page views on our site.

Welded Pipe Fittings Manufacturer, Suppliers and Company Rankings

Last Updated： Aggregation Period:Nov 05, 2025～Dec 02, 2025
This ranking is based on the number of page views on our site.

  1. ベンカン機工 Tokyo//Building materials, supplies and fixtures manufacturers
  2. 古林工業 Osaka//Water supply and drainage construction business
  3. 東新工業 Kanagawa//others
  4. 4 ＭＩＥテクノ Mie//Other construction industries
  5. 5 中部マテリアルズ Aichi//Building materials, supplies and fixtures manufacturers
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Welded Pipe Fittings Product ranking

Last Updated： Aggregation Period:Nov 05, 2025～Dec 02, 2025
This ranking is based on the number of page views on our site.

  1. Introduction to product inventory at Amagasaki Warehouse (Osaka Factory, Fusō Area) ベンカン機工
  2. Butt-welded pipe fitting catalog 古林工業
  3. End processing of insertion welded pipe fittings (inward processing) 東新工業
  4. Special item: Welded pipe fitting "Cross" ベンカン機工
  5. 4 This is an explanation of the welded pipe fittings PT370 and PG370. ベンカン機工

Welded Pipe Fittings Product List

31～45 item / All 51 items

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Special item: Welded pipe fitting "Cross"

Special item: Welded pipe fitting "Cross"

By manufacturing from seamless pipes instead of machining, we can achieve cost reduction!

In the variety of welded pipe fittings, elbows, tees, and reducers are common, but fittings that have branches on both the top and bottom, resembling a cross shape, are referred to as "crosses" due to their cross-like appearance. These are pipe fittings not specified by JIS, and most are manufactured by machining from forged materials. However, Benkan Kiko is capable of producing them using the bulging method (hydraulic forming) from seamless pipes. The machining method tends to result in heavier weights and often produces angular shapes, which can make welding on-site difficult, according to some feedback. Additionally, the machining process from a solid block requires a significant amount of material, leading to higher material costs and increased processing costs. On the other hand, manufacturing through forming from seamless pipes achieves smooth shapes, uniform wall thickness, and lighter product weights, while also enabling cost reductions. This cost advantage becomes more pronounced with high-cost materials such as stainless steel and non-ferrous metals like nickel, resulting in significant benefits. For more details, please feel free to consult our sales office.

  • Railway Construction
  • Special Construction Method
  • others

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Welded pipe fittings for LNG transport vessels

Welded pipe fittings for LNG transport vessels

Welded pipe fittings from Benkan Kiko are also used in LNG transport vessels.

We have the technical skills and experience to accommodate various ship classifications, and we respond not only to the specifications required by classification societies but also to a wide range of additional requests tailored to our customers' needs.

  • Railway Construction
  • Special Construction Method
  • others

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Welded pipe fittings clad steel Benkan Kiko

Welded pipe fittings clad steel Benkan Kiko

We manufacture welded pipe fittings from clad steel plates made by bonding two types of materials to meet your requirements.

Large-diameter welded pipe fittings are typically manufactured from carbon steel plates, alloy steel plates, and stainless steel plates, each from their respective materials. What we would like to introduce this time is a T (tee) welded pipe fitting made from a plate that has a thin steel plate of UNS8825 bonded to WPHY60 steel plate on the inside. In addition to general carbon steel and stainless steel, it is possible to manufacture from a variety of materials, including low alloy steel, high alloy steel, duplex stainless steel, super stainless steel, aluminum, nickel, and high-strength steel. Among these diverse materials, it is also possible to manufacture from clad steel plates, which combine two types of materials. Furthermore, production is also possible from seamless materials or overlay materials that are not steel plates.

  • Steel
  • Prefab
  • stone

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[Case Study] Welded Pipe Fittings Made of Stainless Steel for General Piping in Hydroelectric Power Plants

[Case Study] Welded Pipe Fittings Made of Stainless Steel for General Piping in Hydroelectric Power Plants

You have adopted welded pipe fittings made of stainless steel with excellent corrosion resistance.

The river water around the Yonago River No. 1 Power Plant in Suzaka City, Nagano Prefecture, has a strong acidity with a pH of 3.23, making it unsuitable for agricultural use and as a habitat for fish. However, in order to effectively utilize resources and contribute to the community while ensuring environmental conservation through profit return, the establishment of a hydroelectric power plant was initiated. In this context, we were approached through the Ipros site, and we had the opportunity to visit the site. We held detailed discussions to propose products that our company could provide. As a result, our extensive delivery track record to power plants, along with our quality and inspection system, as well as our ability to create documentation, were highly evaluated, leading to our adoption. The welded pipe fittings we supplied this time are made of stainless steel, model 90, 45EL, material SUS304W, sizes 600A and 400A, and thickness S10S. We believe that stainless steel, which is highly resistant to corrosion, is essential for the river water with strong acidity used in hydroelectric power plants. In this way, Benkan Kiko's welded pipe fittings are used in various locations.

  • Dam construction
  • Fittings
  • Pipeline Construction

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Large-diameter steel plate butt-welded pipe joint (PY400)

Large-diameter steel plate butt-welded pipe joint (PY400)

For those looking for short delivery items of large-diameter steel plate butt-welded pipe fittings (PY400).

Have you ever experienced trouble when checking the delivery time for the PY400, only to find that the required timing and the necessary delivery period did not match? We have wholesalers who stock the PY400 among our business partners. The stock range is from nominal diameter 400A to 1000A and nominal thickness from 7.9mm to 12.7mm. Based on data obtained from years of production experience, we have established a system for immediate delivery of sizes with a certain frequency of use. Additionally, our wholesalers have warehouses in two locations, one in Osaka to the west and one in Tokyo to the east, allowing for a delivery system that does not limit the delivery location. If you are having trouble with the delivery time for the PY400, please feel free to consult with Benkan Kiko.

  • Water Treatment
  • Fire extinguishing equipment
  • Fittings

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RoHS Directive Benkan Kiko

RoHS Directive Benkan Kiko

Are welded pipe fittings products related to the RoHS directive? What about the certification?

What is the RoHS Directive? The RoHS (Restriction of Hazardous Substances, commonly known as RoHS) Directive is a regulation enacted by the European Union (EU) in July 2006 that restricts the use of certain hazardous substances in electrical and electronic equipment. The RoHS Directive aims to ensure that electrical and electronic equipment does not contain hazardous substances, primarily to facilitate recycling under the WEEE Directive and to prevent harm to humans and the environment during landfill disposal or incineration. Based on the official gazette published in June 2015, it has been decided that, starting from July 2019, four new phthalate esters will be added as restricted substances. *The WEEE (Waste Electrical and Electronic Equipment, commonly known as WEEE) Directive is a regulation by the European Union (EU) concerning waste electrical and electronic products.

  • Fire extinguishing equipment
  • Prefab
  • others

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We will respond to requests for short delivery times for welded pipe fittings.

We will respond to requests for short delivery times for welded pipe fittings.

As a shipping base to Western Japan, we have a selection of products made from frequently used materials, such as inventory items (FSGP, PT370 SUS304W, etc.).

Our Osaka Factory in the Fusso area (Fusso-cho, Amagasaki City, Hyogo Prefecture) serves as a production base and holds inventory of welded pipe fittings to deliver products to customers in the western Japan area (Kinki region, Chugoku region, Shikoku region, Kyushu region) with short lead times. 【Stock Items】 - Elbows (Long, Short) - Tees (Same Diameter, Different Diameter) - Reducers (Concentric, Eccentric), etc. - Stainless Steel Flanges 【Materials and Types】 - FSGP (Black Pipe, Coated) - PT370 (S40, S80, S160) - SUS304, SUS316, SUS316L - Stainless Steel Seamless, etc. - SOP-FF/RF - BL-FF/RF *Please inquire separately regarding the sizes and lineup of stock items. We have a rich inventory, and to further expand our stock product lineup, we have established new racks. We plan to add more racks in the future to support with an even more abundant inventory. Additionally, we have regular delivery services, allowing for timely delivery of heavy items to nearby areas. *Within the delivery area. We also offer next-day shipping to the Kinki, Chugoku, Shikoku, and Kyushu areas, so please feel free to contact us. *For distant areas, delivery will be the day after next.

  • Fittings
  • Sewerage facilities
  • Water Supply Facilities

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Benkan Kiko Ashigara Logistics Center

Benkan Kiko Ashigara Logistics Center

Inventory expansion! Major renovation before and after at the Ashigara Logistics Center!

Among the core logistics centers, the distance to each transportation company's terminal is close, and the transportation efficiency is outstanding. We have the following stock items, including carbon and stainless steel welded pipe fittings and stainless steel flanges. 【Stock Items】 - Elbows (long and short) - Tees (same diameter and different diameter) - Reducers (concentric and eccentric), etc. - Stainless steel flanges 【Materials and Types】 - FSGP (black pipe and white pipe) - PT370 (S40, S80, S160) - SUS304, 316, 316L, etc. - SOP-FF/RF - BL-FF/RF, etc.

  • Water Treatment
  • District heating and cooling/heat source system
  • Pipeline Construction

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Seamless stainless steel butt-welded pipe fitting

Seamless stainless steel butt-welded pipe fitting

For seamless stainless steel pipe fittings, contact Benkan Kiko! We accommodate a wide range of items.

Stainless steel seamless pipe fittings are used in many fields of piping that require corrosion resistance, ranging from low to high temperatures and high-pressure applications. As the name suggests, seamless pipe fittings are made from pipe without joints, which minimizes the risk of corrosion at the longitudinal welds and makes them suitable for critical piping specifications. Our company stocks elbows up to 12B and tee reducers up to 8B, and we have a system in place for immediate delivery to respond to urgent requests. Additionally, for products larger than the above sizes, we have the capability to manufacture a wide variety of products in terms of both types and materials to accommodate various customer piping designs. For example... "I need just one seamless elbow by tomorrow; can you accommodate that?" "This is a bit of a special material for stainless piping; can you handle the fittings?" "Can you manufacture fittings with special shapes?" If you have any concerns, please feel free to consult with us. For information on our manufacturing capabilities, please also visit our website. http://benkankikoh.com/weldfit/w-disposal/w-disposal-index.html

  • Railway Construction
  • Special Construction Method
  • others

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Welded pipe fittings with PAD (backing plate)

Welded pipe fittings with PAD (backing plate)

If you want to attach a PAD (backing plate) to a pipe fitting, please consult Benkan Kiko!

"I want to join the pipe fittings and support materials, but I'm concerned about strength and thermal effects, so I don't want to attach them to the main body of the pipe fitting. Welding and attaching a PAD (backing plate) to the pipe fitting on-site is cumbersome." In such cases, please do not hesitate to contact Benkan Kiko. By attaching a PAD (backing plate) to the necessary parts in piping support structures (horizontal and vertical loads), we can enable the joining of the PAD section and the support material. However, manufacturing pipe fittings with PADs is not easy. The PAD and the pipe fitting are produced separately through plastic processing, but welding them together so that they fit perfectly requires a very difficult task known as PAD shape correction. Benkan Kiko has three domestic factories (five locations) and various know-how accumulated by skilled craftsmen who hone their skills there. There have been cases where pipe fittings with PADs, which were deemed technically difficult during the consideration stage, were made possible by pooling wisdom and technology across factories. Although the PAD (backing plate) attached welded pipe fittings are custom-made and unique, please consider contacting Benkan Kiko when you are evaluating your options.

  • Fire extinguishing equipment

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Expansion of product inventory at Amagasaki Warehouse (Osaka Factory, Fusō Area)

Expansion of product inventory at Amagasaki Warehouse (Osaka Factory, Fusō Area)

FSGP TEE (5B to 14B) and FSGP Elbow (14B to 20B) have been added to the inventory at the Amagasaki warehouse.

The Amagasaki Warehouse (Osaka Factory, Fusso Area) is a production base for welded pipe fittings and also holds stock of welded pipe fittings to deliver products to customers in the western Japan area (Kinki region, Chugoku region, Shikoku region, Kyushu region) in a short lead time. We have now added FSGP TEE (5B to 14B) and FSGP Elbow (14B to 20B) to the stock at the Amagasaki Warehouse. This will enable us to respond to customers in the western Japan area with even shorter lead times. Additionally, we have established a production system for FSGP Elbow (14B to 20B) in the Fusso area, and we will work on further expansion to support our customers with a more abundant inventory.

  • Fittings
  • Sewerage facilities
  • Water Supply Facilities

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Welded pipe fittings finished with buffing polish.

Welded pipe fittings finished with buffing polish.

For welded pipe fittings with buff finish polishing, please consult Benkan Kiko.

There are cases where "polishing" is required for the surface finish specifications of welded pipe fittings, and particularly for stainless steel products, a glossy and smooth finish is achieved through "buff polishing." "Buff polishing" is a method that uses a polishing tool equipped with cotton, felt, or wool called a "buff," along with a paste-like polishing material, to smooth the surface, especially when a mirror finish is required. Buff polishing has classifications of "roughness," expressed as a certain grade number. Generally, the larger the number, the higher the grade, resulting in a glossier surface on the product. At Benkan Kiko, regardless of buff polishing finish, we accommodate surface grade specifications not only with the polishing material grade but also with surface roughness parameters (Ra, Rmax, etc.), roughness symbols, evaluations using comparison test pieces, and evaluations using surface roughness gauges, allowing us to meet surface grade requirements tailored to specific applications. If polishing is necessary for welded pipe fittings in piping design, please feel free to contact us. <Varieties> - Elbows, T, reducers, caps, stub ends <Materials> - We can accommodate various materials including SUS304, SUS304L, SUS316, SUS316L, and others.

  • Fittings
  • Sewerage facilities
  • Water Supply Facilities

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[Case Study] Large-Diameter Plated Products for Air Conditioning Equipment Piping in Architecture

[Case Study] Large-Diameter Plated Products for Air Conditioning Equipment Piping in Architecture

As a manufacturing example, we would like to introduce a large-diameter plated product (hot-dip galvanized) manufactured for air conditioning equipment piping.

The details of the product we are introducing this time are as follows: JIS (Plating) Type: 90E(S) Material: PY400 Size: 1500A (60 inches) Thickness: 7.9mm This is a plated product of a large-diameter welded pipe fitting as specified by the customer. In particular, processing of hot-dip galvanized products such as 1500A (60 inches) is not easy and is a high-difficulty product. Benkan Kiko also manufactures large-diameter products. 《Manufacturing Range》 Size: up to 2000A (80 inches) Thickness: up to 120mm *Please note that this varies by type, so for details, please contact us. Pipe fittings made from steel pipes as the material can be difficult to obtain depending on the size, making them unsuitable for manufacturing large-diameter products. The production of large-diameter pipe fittings can be achieved by forming and welding from steel plates.

  • Railway Construction
  • Prefab
  • stone

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Butt-welded pipe fitting catalog

Butt-welded pipe fitting catalog

Introducing features, manufacturing methods, and processes! Includes carbon steel, alloy steel, and stainless steel.

This catalog introduces "butt-welded pipe fittings." It features carbon steel and alloy steel pipe fittings, as well as carbon steel FG fittings (uncoated end fittings), including long elbows, short elbows, and elbows with necks. Additionally, we offer special fittings such as crosses and reducing elbows. We encourage you to take a look. 【Contents (partial)】 ■ Company Overview ■ Company History ■ Products (Certification-related) ■ Products ■ Features of Welded Fittings, Manufacturing Methods, and Processes *For more details, please refer to the PDF document or feel free to contact us.

  • Fittings

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Welded Pipe Fitting Catalog [SUS・Steel]

Welded Pipe Fitting Catalog [SUS・Steel]

Introducing the welded pipe fittings from Benkan Kiko Co., Ltd.! Types, dimension tables, process overview diagrams, and more!

This catalog contains the welded pipe fitting products of Benkan Kiko Co., Ltd., which we handle. It includes dimension tables for elbows, reducers, caps, and more, as well as excerpts from JIS steel pipe standards regarding standard thickness and materials for welded pipe fittings, and excerpts from ASTM standards. [Contents (excerpt)] ■ Types of welded pipe fittings ■ Dimensional tolerances for welded pipe fittings ■ Standard thickness for welded pipe fittings ■ Material symbols for welded pipe fittings ■ Marking of welded pipe fittings *For more details, please refer to the PDF document or feel free to contact us.

  • Fittings

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