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Prices ASTM B 16.5 Welding RF Stainless Steel 304 Blind Flange Dimensions
US$1.00-50.00
50 Pieces
Sample price:US$50.00/piece.Request sample
Product profile
Customization
AvailableStandard
ANSI, DIN, GB, JIS, GOST, BSWType
Threaded Connection FlangeModel NO.
Blind FlangeMaterial
Carbon SteelStructure
LateralConnection
WeldingSealing Surface
RFManufacturing Way
ForgingProduct
Forged Steel Blind FlangeTypes
Pl, So, Sw, Bl, Wn etc.Flange Facing
Raised Face/Flat Face/Ring Joint etcStandard Finish
Stock Finish/Spiral Serrated/Smooth Finish etcSurface
Light Oiled/Galvanization/PaintNDT
Ut, Mpi, X-ray etcDelivery Time
on Time DeliveryQuality
Excellent QualityPrice
CompetitiveTransport Package
Standard Export Package or as Per Your RequirementSpecification
ANSI/DIN/EN/NFE/AS/JISTrademark
SYIOrigin
ChinaHS Code
0711400000Production Capacity
1200 Ton/ MonthKey features
Wide Size Range: Manufactures flanges from DN10 to DN3000 using free forging or plate cutting.
Custom Surface Finish: Offers Zinc-plated, Hot Dipped Galvanized, Painting, and Light Oiled surface treatments.
ISO 9001 Certified: Certified to ISO 9001:2015 quality standard with trained technicians ensuring quality.
Industry Experience: Over 20 years of manufacturing experience serving oil, gas, and petrochemical industries.
OEM/ODM Service: Provides OEM drawing or sample based manufacturing and ODM services.
Diverse Material Options: Available in Carbon steel, Alloy steel, Stainless steel, Low Temp, and High Yield materials.
Global Market Reach: Approved by end-users worldwide with main markets in North America, Europe, and Asia.
Company profile

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2015-03-19 CertifiedNearest Port: Tianjin PortAverage Response Time: ≤6.43h CertifiedTerms of Payment: LC, T/T, D/P, etc.
AI-Powered supplier vetting
SummarySYI Group, also identified as SYI Industrial Co., Ltd., is a China-based limited company established in 1999 and operating from Shanxi. Its reported product scope includes castings, forgings, ductile iron pipes and fittings, manhole covers, valves, flanges, aluminum castings, and municipal products. The supplier reports ISO 9001:2015 certification and additional TUV, BSI Kitemark, SGS, BV, FM, and WRAS credentials or listings. Manufacturing evidence includes six production lines, automatic moulding equipment, CNC machining, laboratory facilities, in-house tooling, and 21–30 quality-control staff. It exports to multiple global regions and states that exports represent 90% of sales. Evidence supports production capability and certification strength, while after-sales service, financial credibility, innovation outcomes, customization performance, and customer cases cannot be conclusively assessed from the provided information.
Supplier typeThe supplier is described as a combined business entity and limited company, operating in industrial equipment, components, tools, hardware, metallurgy, machinery, construction, and related sectors. Its stated product range is centered on castings, ductile iron products, manhole and municipal products, valves, flanges, and aluminum parts.
CertificationsThe supplier explicitly reports an ISO 9001:2015 certificate and states that it is TUV, BSI Kitemarked, SGS, BV, FM certified, and WRAS listed. These statements provide direct evidence of multiple quality, product, or compliance credentials, although the specific scope and validity of each additional credential are not detailed.
Production capacityProduction capability is supported by a reported 67,275.83 m² manufacturing plant, six production lines, automatic moulding equipment, CNC machining centers, laboratory facilities, in-house tooling, and 21–30 quality-control staff. The supplier also reports one-month fulfillment timing in both peak and off-peak seasons and serves multiple export regions.
Customization capabilityThe supplier lists OEM industrial castings and maintains in-house pattern and tooling shops, which directly supports the ability to develop or manufacture customer-specific cast components. Nevertheless, no examples, minimum requirements, engineering workflow, or documented customization projects are provided.
Product Q&A
Q:What is the available size range?
A:
We manufacture flanges from sizes DN10 to DN3000 using free forging or plate cutting.
Q:What surface treatments are available?
A:
Options include Zinc-plated, Hot Dipped Galvanized, Painting, and Light Oiled finishes.
Q:Is OEM service available?
A:
Yes, we provide OEM services based on drawings or samples and ODM services.
Q:What materials are used for the flanges?
A:
Materials include Carbon steel, Alloy steel, Stainless steel, Low Temp, and High Yield options.
Q:What is the lead time for orders?
A:
The average lead time is one month for both peak and off-season periods.
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SYI Industrial Co., Ltd.
SYI Industrial Co., Ltd.*Content:
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