Yuhong Group Co.,Ltd
| Payment Terms | T/T, L/C at sight |
| Flange Face | Flat Face (FF) |
| Material | ASTM A182 F304H |
| Packaging Details | Plastic Film Protection, Bubble Wrap, Plywood Cases, Fumigation-Free Wooden Cases, Standard Export Seaworthy Packing. |
| Delivery Time | Depends on quantity |
| Standard | ASME B16.5 / Customized |
| Surface Finish | Machined |
| Manufacturing Process | Forged |
| Product Type | Blind |
| Supply Ability | 500 tons per month |
| Brand Name | YUHONG |
| Certification | ISO, TUV, PED etc. |
| Model Number | A182 F304H Stainless Steel Blind Plate |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T, L/C at sight | Flange Face | Flat Face (FF) |
| Material | ASTM A182 F304H | Packaging Details | Plastic Film Protection, Bubble Wrap, Plywood Cases, Fumigation-Free Wooden Cases, Standard Export Seaworthy Packing. |
| Delivery Time | Depends on quantity | Standard | ASME B16.5 / Customized |
| Surface Finish | Machined | Manufacturing Process | Forged |
| Product Type | Blind | Supply Ability | 500 tons per month |
| Brand Name | YUHONG | Certification | ISO, TUV, PED etc. |
| Model Number | A182 F304H Stainless Steel Blind Plate | Place of Origin | China |
| High Light | ASTM A182 F304H stainless steel flange ，forged blind plate flat face ，stainless steel blind flange | ||
Forged ASTM A182 F304H Stainless Steel Blind Plate / Flange Flat Face
ASTM A182 F304H Stainless Steel Blind Flange
YUHONG GROUP is a professional manufacturer and supplier of ASTM A182 F304H Stainless Steel Blind Flanges for high-temperature and high-pressure piping systems. Manufactured from forged F304H stainless steel material, these blind flanges provide excellent corrosion resistance, oxidation resistance, and reliable sealing performance in demanding industrial environments.
Our ASTM A182 F304H Blind Flanges are widely used for pipeline isolation, pressure vessel closure, maintenance operations, and process system expansion in oil & gas, petrochemical, power generation, and chemical processing industries.
The product shown is manufactured according to ASTM A182 specifications with an outside diameter of 600 mm and thickness of 10 mm. Customized dimensions, pressure ratings, and markings are available upon request.
Product Specifications
| Parameter | Value |
|---|---|
| Product Name | Stainless Steel Blind Flange |
| Material Grade | ASTM A182 F304H |
| Product Type | Blind Flange |
| Face Type | Flat Face (FF) |
| Manufacturing Process | Forged |
| Standard | ASME B16.5 / ASME B16.47 |
| Outside Diameter | 600 mm |
| Thickness | 10 mm |
| Surface Finish | Machined |
| Marking | Heat Number Traceability |
| Certification | EN 10204 3.1 MTC |
| Brand | YUHONG GROUP |
| Origin | China |
Chemical Composition of ASTM A182 F304H
| Element | Content (%) |
| Carbon (C) | 0.04 - 0.10 |
| Chromium (Cr) | 18.0 - 20.0 |
| Nickel (Ni) | 8.0 - 11.0 |
| Manganese (Mn) | ≤ 2.00 |
| Silicon (Si) | ≤ 1.00 |
| Phosphorus (P) | ≤ 0.045 |
| Sulfur (S) | ≤ 0.030 |
Key Features and Benefits
ASTM A182 F304H stainless steel contains a higher carbon content than standard 304 stainless steel, providing improved creep resistance and elevated temperature strength for long-term service applications.
The chromium and nickel content offers outstanding resistance to oxidation, atmospheric corrosion, and many industrial chemicals.
Blind flanges are designed to completely close piping systems and pressure vessel openings, ensuring safe isolation during maintenance and operation.
Each blind flange is manufactured with strict dimensional tolerances and undergoes quality inspection to ensure excellent fit-up and sealing integrity.
All products can be supplied with heat number marking and EN 10204 3.1 Mill Test Certificates for complete quality assurance.
Applications
ASTM A182 F304H Blind Flanges are commonly used in:
Quality Control
YUHONG GROUP maintains strict quality control procedures throughout production. Inspection services include:
All products can be supplied with EN10204 3.1 or 3.2 certificates upon request.
Why Choose YUHONG GROUP
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Frequently Asked Questions (FAQ)
1. What is an ASTM A182 F304H Blind Flange?
An ASTM A182 F304H Blind Flange is a forged stainless steel flange used to seal the end of a piping system, pressure vessel, or equipment nozzle. F304H is a high-carbon version of 304 stainless steel designed for elevated-temperature service.
2. What is the difference between ASTM A182 F304 and F304H?
The main difference is carbon content. ASTM A182 F304H contains a higher carbon level than F304, providing improved high-temperature strength and creep resistance for long-term service in elevated-temperature environments.
3. What are ASTM A182 F304H Blind Flanges used for?
F304H Blind Flanges are commonly used to close pipeline ends, isolate process sections, facilitate maintenance operations, and provide future expansion points in piping systems.
4. What standards are available for F304H Blind Flanges?
ASTM A182 F304H Blind Flanges can be manufactured according to ASME B16.5, ASME B16.47, MSS SP-44, DIN, EN, and customer-specific requirements.
5. What pressure classes can you supply?
We can supply Blind Flanges in Class 150, Class 300, Class 600, Class 900, Class 1500, and Class 2500 pressure ratings according to project requirements.
6. What sizes are available?
We can manufacture Blind Flanges from 1/2" to 60" (DN15-DN1500) with customized dimensions according to customer drawings and specifications.
7. What industries use F304H Blind Flanges?
These flanges are widely used in oil and gas, petrochemical, refinery, power generation, LNG, offshore, water treatment, and chemical processing industries.
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Importer,Exporter,Trading Company,Seller,Other
Year Established:
2007
Total Annual:
50M-70M
Employee Number:
50~850
Ecer Certification：
Verified Supplier
Yuhong Group is one of the large scale group company in China, more than 35 years experience in the international market, providing high-quality services to over 3000 customers, end user which like Aramco, Petrobras, Pemex, Petronas, Ecopetro, Petroecuador, …. till now Yuhong Grou... Yuhong Group is one of the large scale group company in China, more than 35 years experience in the international market, providing high-quality services to over 3000 customers, end user which like Aramco, Petrobras, Pemex, Petronas, Ecopetro, Petroecuador, …. till now Yuhong Grou...
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