Powered by Made-in-China.com
Large Diameter Carbon Steel Butt Weld Neck Flange
US$16.00-30.00
50 Pieces
Product profile
Customization
AvailableStandard
ANSI, DIN, GB, JIS, GOST, BSWType
Threaded Connection FlangeModel NO.
BS4504 WELDING NECK111Material
Stainless SteelStructure
FlangesConnection
WeldingSealing Surface
BSManufacturing Way
ForgingPressure
Pn6 Pn10 Pn16 Pn25 Pn40Technics
ForgedProduct Name
Welding Neck FlangeModel Number
BS4504 Welding Neck111Transport Package
Wooden BoxSpecification
BS4504 WELDING NECK111Trademark
MaitoleadOrigin
Hebei, ChinaKey features
Wide Standard Compliance: Meets ANSI, DIN, GB, JIS, GOST, and BSW standards for global compatibility.
Diverse Material Options: Available in Q235, A105, SS304, SS316, P91, and 904L for various environments.
Multiple Pressure Ratings: Supports PN6, PN10, PN16, PN25, and PN40 pressure classes.
Forged Manufacturing Process: Produced via forging for enhanced structural integrity and durability.
Comprehensive Certifications: Holds ISO, CE, PED, BV, and KS certifications for quality assurance.
Robust Export Packaging: Features anti-rust treatment, vacuum sealing, and moisture-proof wooden crates.
Customizable Production: Customized products available with drawing approval within 25-30 days.
Flexible Incoterms: Supports EXW, FOB, CIF, and DDP terms for convenient logistics.
Company profile

Business Type: Trading Company, Group CorporationAverage Response Time: ≤4.06h
AI-Powered supplier vetting
SummaryMaitolead Pipeline Technology (Tianjin) Co., Ltd. is identified as a Chinese trading company/group corporation focused on industrial equipment and components, including multiple pipe fitting, flange, and valve categories. It has self-operated import and export rights, reports that exports comprise 90% of total sales, and is located in Tianjin with service proximity to Tianjin Port. Its stated service infrastructure is limited: no overseas showroom, agents, branches, or reported offline trade-show participation. R&D resources are minimal, with one R&D engineer and no new products launched in the past year; ODM, SDK, and well-known-brand OEM services are unavailable. Customization from samples is offered. Complaint handling, corrective/preventive action, and approved-supplier-list procedures are not documented in the provided data. Certification, production facilities, customer cases, raw-material traceability, and quality assurance remain unverified.
Supplier typeThe supplier is explicitly described as a trading company and group corporation, with a limited-company ownership structure and a business focus on industrial equipment and components. Its listed offerings cover pipe fittings, flanges, and valves, while the registered and physical addresses are both in Tianjin.
After-Sales capabilityThe supplier has no overseas showroom, overseas agents or branches, and no reported offline trade-show participation. It also has no written procedures or records for customer complaints or corrective and preventive actions, indicating documented after-sales processes are not demonstrated.
R&D capabilityThe supplier reports one R&D engineer and no new products launched in the past year. It also does not provide ODM services, SDK availability, or OEM services for popular brands, which indicates limited demonstrated innovation capability.
Customization capabilityThe supplier explicitly states that it provides customization from samples. This is direct evidence of a sample-based customization service, although no broader engineering or design capacity is specified.
Product Q&A
Q:Are your products compliant with international certifications?
A:
Yes, our core products hold certifications such as UL/FM for fire protection, CE-PED for pipes and valves, and UL/FM for seismic bracing. Regional certifications like SASO and GOST are available upon request.
Q:Can you provide third-party test reports or certification documents?
A:
Absolutely! We supply factory inspection reports, material composition data, pressure test results, and original certifications like ISO 9001 with each shipment.
Q:Is your export packaging suitable for long-distance shipping or extreme climates?
A:
Yes, we use 3-level protective packaging including vacuum sealing, anti-corrosion oil, moisture-proof wooden crates, steel strapping, desiccants, and shock-absorbing fillers.
Q:Do you support EXW/FOB/CIF/DDP Incoterms?
A:
We offer flexible options including EXW (pickup at factory), FOB (major Chinese ports with export clearance), and CIF/DDP (partnering with freight forwarders for door-to-door quotes).
Q:What is your production and delivery timeline?
A:
Standard products are delivered in 15-20 days after order confirmation, while customized products take 25-30 days subject to drawing approval.
Send Inquiry
*To:
Maitolead Pipeline Technology(Tianjin)Co., Ltd.
Maitolead Pipeline Technology(Tianjin)Co., Ltd.*Content:
Supplier replies will be sent to your registered email
You may also like
Carbon Steel Butt-Weld F70 Material Forged Flange
US$800.00-1,500.00
1 Piece(MOQ)
High Stiffness Carbon Steel Butt Welded Flange with Neck for Fillet Weld Pipe Connection
US$3.00-5.00
500 Pieces(MOQ)
Carbon Steel DIN2527 ANSI DIN Large-Diameter Plate Flange Oil and Gas Transmission Pipelines Flange
US$1.00-600.00
1 Piece(MOQ)
Heavy-Duty Weld Neck Flange for Large Diameter Steel Pipes Flat Welding Flange
US$1.00-50.00
1 Pieces(MOQ)
Stainless Steel Industry Standard Large Diameter Puddle Flange Weld Neck Flange/ Long and Slender Flange
US$1.00-50.00
1 Pieces(MOQ)
Carbon Steel ANSI B16.5 Weld Neck Cast Flange
US$3.00-85.00
20 Pieces(MOQ)
China Supplier Custom Large Diameter Backing Ring Stainless Steel Weld Neck Flanges
US$1.00-100.00
10 Tons(MOQ)
Steel Socket Threaded Butt Slip-on Welding Neck Flanges Carbon Steel Plate Flanges DIN
US$1.00-3.50
1 Piece(MOQ)
Large Diameter CNC Machined Steel Pipe Weld Neck Flange
US$1.00-50.00
1 Pieces(MOQ)
Carbon Steel Butt Welded Flange with Neck for Fillet Weld Pipe Connection
US$5.00
1 Piece(MOQ)
Stainless Steel Weld Neck Flange Large Diameter for Industrial Pipe Connection
US$10.00
10 Pieces(MOQ)
Forged ASME B16.5, A105 300# RF Carbon Steel Weld Neck Flange
US$3.20-4.50
1 Piece(MOQ)
Premium Weld Neck Flange for Large Diameter Steel Pipes
US$1.00-50.00
1 Pieces(MOQ)
GOST 1050-88 GOST 12821-80 Weld Neck Butt Weld Steel 20 Flange
US$0.50-1.00
1 Piece(MOQ)
Wholesale 304 Stainless Steel 150lb High-Neck Flange Plate, Neck Forged Butt Weld Brida
US$1.00-3.50
1 Piece(MOQ)



















