Custom 10K Steel Flange

10K Steel Flange Manufacturers

JIS 10K Steel Flanges manufactured by Jiangyin Zhonghai Precision Machinery Co., Ltd. are engineered in strict accordance with the JIS B2220 standard. Designed for exceptional performance in medium-pressure environments, our 10K flanges offer more than just standard interchangeability. Through our integrated forging and heat treatment processes, we optimize the metallurgical structure of each component, ensuring superior tensile strength and long-term sealing stability.

With a production range from 1/2" to 60", Zhonghai delivers high-quality SOP, SOH, and Blind flanges. We also specialize in large-scale, non-standard JIS components with diameters up to 4 meters and individual weights up to 10 tons.

Core Advantages
·Certified Compliance: ISO 9001 certified with PED (Pressure Equipment Directive) and TS (Special Equipment License) qualifications, ensuring every 10K flange meets global safety and regulatory requirements.
·In-house Production Control: Our facility features a complete production line, including forging, heating, CNC turning, drilling, and testing. This end-to-end control eliminates quality inconsistencies.
·Deep Customization Capability: We support bespoke manufacturing based on drawings. Simply provide your dimensions (OD, ID, thickness, bolt circle, etc.), and our experts will provide a rapid technical assessment and quotation.
·Scalable Delivery: From small-batch prototypes to mass production, our internal forging capacity significantly reduces lead times for complex or non-standard orders.

Key Features
·High-Precision Machining: Utilizing CNC lathes for face finishing to ensure flatness and roughness levels strictly comply with JIS B2220, minimizing the risk of system leaks.
·Superior Material Density: Unlike simple plate-cut products, our 10K flanges are primarily forged to eliminate internal defects and enhance the pressure-bearing safety factor.
·Rigorous Quality Inspection: An independent QA department oversees dimensional verification and NDT (UT/MT) as required. All products are supplied with full Material Test Certificates (MTC).
·Versatile Surface Finishing: Options include anti-rust oil, painting, electro-galvanizing, or hot-dip galvanizing to suit various corrosive environments.

Applications
Zhonghai JIS 10K Flanges are the preferred choice for:
·Japanese Equipment OEM: Perfect compatibility with imported Japanese machinery, pumps, and compressors.
·Marine & Offshore: Adhering to JIS piping standards commonly used in international shipbuilding.
·Industrial Fluid Control: Low-to-medium pressure pipelines in chemical, oil, and gas sectors.
·Public Utilities: Municipal water supply, HVAC systems, and fire protection networks.

Item Technical Specifications
Standard JIS B2220
Pressure Rating 10K
Types Slip-On Plate (SOP), Slip-On Hub (SOH), Welding Neck (WNRF), Blind (BL), etc.
Size Range 10A – 1500A (1/2" – 60"); Custom sizes up to 4 meters
Materials Carbon Steel (SS400, S20C, A105), Stainless Steel (SUS304, SUS316/L)
Max Unit Weight 10 Tons
Facing Raised Face (RF), Flat Face (FF)
Heat Treatment Normalizing, Tempering, Solution Treatment (Material dependent)
Testing Dimensional, Chemical Analysis, Hardness, NDT (Upon request)

EXPERTS IN FORGED AND MACHINED FLANGES

[ WHO WE ARE ]

About Us .

Jiangyin Zhonghai Precision Machinery Co., Ltd.
  • Established

    0
  • Employees

    0
  • Tons / Month Capacity

    0
01.
Specification Coverage
Our production range spans sizes from 1/2” to 60”, with single-piece weights up to 10 tons and maximum dimensions reaching 4 meters.
02.
Applicable Scenarios
This comprehensive scope ensures reliable solutions for both standard and non-standard flange applications.
03.
Introduce Us
We are China 10K Steel Flange Manufacturers and Custom 10K Steel Flange Factory. With complete in-house forging, heating, CNC turning, drilling, and inspection lines, we handle both volume production and complex machined parts.

PROVIDE YOU WITH THE LATEST ENTERPRISE AND INDUSTRY NEWS

[ NEW ]

What’s News .

View More
  • 2026-02-05

    The Ultimate Handbook on Stainless Steel Blind Flanges: St...

    1. Introduction In the construction of complex industrial piping systems, the Stainless Steel Blind Flange plays an indispensable role. Unlike weld neck or slip-on flanges that feature a center bore for fluid transmission, a blind flange is a solid disk designed to completely block the flow of media. What is a Blind Fl...

  • 2026-02-05

    How to Choose the Right Super Duplex Stainless Steel Flang...

    Introduction Super Duplex Stainless Steel Flanges are widely recognized for their superior strength, corrosion resistance, and durability, especially in highly demanding industrial environments. These flanges are essential components used to connect piping systems in various sectors, including the oil and gas industry,...

  • 2026-02-05

    What Are the Different Types of Large Pipe Flanges and The...

    A Large Pipe Flange is an essential component used to connect pipe systems, and it plays a significant role in industries such as oil, gas, chemicals, power generation, and shipping. Flanges ensure the tight connection and pressure control of pipelines. Large pipe flanges must withstand extremely high pressure while ma...

10K Steel Flange Industry knowledge

What is the Importance of 10K Steel Flanges in Industry?

Steel flanges are crucial components in industrial piping systems, widely used to connect pipes, valves, pumps, pressure vessels, and other equipment. 10K steel flanges, in particular, play a vital role in the petroleum, chemical, power, and shipbuilding industries, serving as connections, seals, and supports. So, what is a 10K steel flange? What are its advantages? How does it affect the stable operation of industrial systems?

What is a 10K Steel Flange?

A 10K steel flange is a flange made of high-strength steel and widely used in high-pressure industrial pipelines. The "10" in 10K represents the flange's pressure rating, typically referring to a working pressure of 10 MPa, while the "K" represents the flange's design standard. 10K steel flanges have high pressure resistance and good corrosion resistance, making them particularly suitable for high-pressure environments such as petrochemical and natural gas industries. Their materials are typically high-strength steels such as carbon steel and stainless steel to ensure long-term stability under high pressure and high temperature conditions.

10K steel flanges are manufactured in accordance with international standards such as GB, ASME, ASTM, JIS, EN, and DIN, ensuring their reliability and consistency. Their primary function is to connect two pipes using bolts and ensure a tight seal at the connection point using sealing materials, preventing leakage of the medium in the pipeline.

Applications of 10K Steel Flanges

10K steel flanges are widely used in industrial systems across various industries, and are particularly important in the following areas:

Oil and Gas Industry

Pipeline systems in the oil and gas industry typically need to withstand high-pressure environments. 10K steel flanges, with their excellent pressure resistance, are an ideal choice for connecting pipelines. Whether in oilfield production pipelines or natural gas transportation pipelines, 10K steel flanges play a crucial role.

Chemical Industry

Chemical production processes often require pipeline systems to withstand corrosive media and high-temperature, high-pressure environments. Due to their excellent sealing and corrosion resistance, 10K steel flanges have become a commonly used connector in chemical plant pipeline systems.

Power Industry

Power plant piping systems withstand extremely high pressures. 10K steel flanges, as high-pressure connection components, effectively ensure the stable operation of power plant steam piping systems.

Shipbuilding and Marine Engineering

In shipbuilding and marine engineering, the excellent performance of 10K steel flanges allows them to meet the application requirements of high-pressure, high-temperature, and seawater corrosive environments, making them widely used in the piping systems of ships and offshore platforms.

Advantages of 10K Steel Flanges

Here are the key advantages of 10K steel flanges:

High Pressure Bearing Capacity

The main advantage of 10K steel flanges lies in their superior pressure bearing capacity. A design pressure of 10MPa enables reliable operation in high-pressure environments, making them particularly suitable for demanding high-pressure piping systems.

Strong Corrosion Resistance

The high-strength steel used in 10K steel flanges undergoes special treatment, resulting in excellent corrosion resistance. This allows them to withstand the corrosion of chemical media and salt spray corrosion in marine environments, extending the flange's service life.

Excellent Sealing Performance

Sealing is crucial in piping systems. 10K steel flanges are typically designed using precision machining processes and high-quality sealing gaskets to ensure that the connection points are leak-proof, preventing accidents caused by leaks.

Strong Customizability

Due to the diverse applications of 10K steel flanges, their dimensions, pressure ratings, and materials can all be customized to meet customer needs. Jiangyin Zhonghai Precision Machinery Co., Ltd. provides comprehensive customization services to ensure that flange products fully meet the technical requirements of specific projects.

High-Precision Machining Technology

The manufacturing of 10K steel flanges requires high-precision machining technology. As an ISO 9001 certified company, Jiangyin Zhonghai Precision Machinery Co., Ltd. possesses complete production lines and high-precision machining equipment, ensuring the precision and quality of every flange product.

Jiangyin Zhonghai Precision Machinery Co., Ltd.: Your Steel Flange Manufacturing Expert

As a professional precision machinery manufacturing company, Jiangyin Zhonghai Precision Machinery Co., Ltd. has many years of experience in the steel flange field. Through a strict quality control system and advanced production equipment, the company provides a variety of high-quality flange products, including 10K steel flanges, which are widely used in the petroleum, chemical, and power industries.

Our company boasts the following advantages:

Comprehensive Certifications

We are an ISO 9001 certified company and hold international certifications such as PED, TUV, and TS, ensuring that our quality management during the production process meets global standards.

Extensive Customization Experience

We can provide personalized customization services based on specific customer needs, covering the production of flanges from small to large sizes, and support customized designs based on drawings.

Highly Efficient Production Capacity

We have complete built-in forging, heating, CNC turning, drilling, and inspection production lines, enabling efficient production of large quantities of standard flanges while also meeting the needs of complex machined parts.

Global Service Network

Our products have been successfully exported to many countries and regions worldwide, winning the trust of international customers with high-quality products and services.

FAQ

1. What is the common size range of 10K steel flanges?

The common size range of 10K steel flanges typically ranges from 1/2 inch to 60 inches, suitable for the needs of different piping systems.

2. Can 10K steel flanges withstand extreme temperature environments?

Yes, 10K steel flanges are made of high-strength steel with excellent high and low temperature performance, enabling stable operation under extreme temperatures and making them suitable for the high-temperature and high-pressure environments of industries such as petroleum and chemical manufacturing.

3. Does Jiangyin Zhonghai Precision Machinery Co., Ltd. offer customization services?

Yes, our company can customize flanges according to customer drawings and requirements, ensuring that every flange product fully meets customer needs.

4. How do you ensure the quality of 10K steel flanges?

Our company adopts advanced production processes and strict quality control procedures. All products undergo rigorous testing before leaving the factory to ensure their quality meets international standards.