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WH-steel Co. Ltd. supplies blind flanges designed to seal pipe ends in high-pressure systems, with materials including ASTM A105 carbon steel and ASTM A182 F304L stainless steel. These are manufactured to ANSI B16.5 Class 150 and Class 300 standards, with sizes ranging from 1/2 inch to 48 inches. The product is specifically engineered for temporary isolation during maintenance or shutdowns in oil and gas pipelines.
Blind flanges from this supplier feature forged construction for structural integrity under pressure. Surface finish options include standard mill finish and machined smooth surfaces for gasket sealing. While the listing mentions ISO and CE certifications, these are not verified in the data provided. Material composition follows standard industry grades, with no proprietary alloys or unconfirmed heat treatments stated.
These flanges are primarily purchased by maintenance contractors in the chemical processing and petrochemical industries, particularly for plant turnarounds and pipeline isolation. Trade terms are not specified beyond flexible MOQ and competitive shipping; buyers should confirm exact packaging, lead time, and Incoterms directly. Delivery is typically from Cangzhou, Hebei, with export experience to Southeast Asia and Africa.
| Material | ASTM A105 carbon steel, ASTM A182 F304L stainless steel |
| Pressure Class | ANSI B16.5 Class 150, Class 300 |
| Size Range | 1/2 inch to 48 inches |
| Type | Blind flange |
| Surface Finish | Mill finish or machined smooth per ANSI B16.5 |
| Standard | ANSI B16.5 |
| Typical Thickness for 48-inch Class 150 Blind Flange | 42 mm typical per ANSI B16.5 Table 2-3.1 |
| Typical Bolt Hole Diameter for Class 300 | 25 mm typical for 12-inch size, scaled per ANSI B16.5 |
| Typical Weight Tolerance | ±3% typical for forged flanges of this size range |
| Typical Packaging | Steel banding with plastic wrapping in wooden crates for sea freight |
WH-steel Co. Ltd. is registered in Cangzhou City, Hebei Province, a known hub for steel product manufacturing in northern China. The company is listed as a harbor-tier supplier, indicating basic verification of business registration and contact information. No details are provided about production facilities, workforce, or years in operation. The supplier does not claim ownership of a manufacturing plant or certification of internal quality control processes.
The listing mentions ISO and CE certifications but provides no evidence or reference numbers. Response rate and average response time are recorded as zero, indicating no verified buyer communication history. Buyers should treat this as a trading company sourcing from third-party mills. Factory audits or material traceability records are not confirmed and must be requested directly.
| Business Type | Supplier |
| Year Established | Recently Joined |
| Employees | Contact Supplier |
| Annual Revenue | Contact Supplier |
| Main Products | View Products Tab |
| Major Markets | Global |
| Response Time | Contact Supplier |
| Response Rate | New Supplier |
Verify the material grade and pressure class against your piping specifications before ordering. Request certified material test reports for each batch, especially for stainless steel flanges. Confirm that the flange thickness meets ANSI B16.5 minimums for your size and class. Do not rely on supplier claims of ISO or CE without documented proof.
Confirm Incoterms with the supplier - FOB Tianjin or CIF destination are common. Lead time for large blind flanges is typically 6 to 10 weeks. Payment terms are not stated but often require 50% advance. Request a detailed shipping schedule and container loading plan. Ensure the supplier provides a packing list with batch numbers and inspection codes.
Inspect flanges for surface cracks, burrs, or improper machining at the port of discharge. Use a go/no-go gauge to verify bolt hole alignment and sealing face flatness. Retain sample flanges for quality reference. Confirm that all documentation includes material certification, dimensional inspection report, and export declaration. Discrepancies in thickness or material must be reported immediately.
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Securing a reliable supply chain for Flange is critical for maintaining your business operations. WH-steel Co. Ltd., a verified supplier located in China, provides high-quality Flange ready for international export. By connecting directly with this supplier, buyers can bypass intermediaries, negotiate custom wholesale pricing, and arrange bulk shipments. This product is a key offering within the Agriculture industry, catering to distributors, wholesalers, and importers worldwide.
Navigating the complexities of global sourcing is easier when you have direct access to the right manufacturers and exporters. When importing Flange from China, buyers can discuss shipping logistics, packaging requirements, and preferred payment terms directly with WH-steel Co. Ltd.. This seamless communication is powered by EximNext, a premier online B2B marketplace that connects ambitious buyers with verified global sellers across every major industry.
We understand that verifying supplier credentials is a top priority for importers. WH-steel Co. Ltd. is part of our extensive network of vetted international exporters. Browse more products in the Agriculture category or discover new suppliers across the Agriculture sector. Expand your sourcing capabilities through our trusted B2B marketplace — the import export marketplace built for serious international trade.
When importing Flange from China, buyers should consider shipping terms (FOB, CIF, EXW), customs documentation requirements, and payment security. Contact the supplier to discuss the best logistics options for your destination country.
Click the "Request Quotation" button to contact WH-steel Co. Ltd. directly. The supplier will provide a custom quote based on your required bulk quantity and shipping destination.
Yes, WH-steel Co. Ltd. provides Flange for bulk export from China. You can negotiate the MOQ, packaging details, and shipping terms directly with the supplier.
Shipping terms such as FOB, CIF, or EXW can be negotiated directly with WH-steel Co. Ltd.. Contact the supplier to discuss the best logistics options for importing Flange to your country.
Send a direct message to WH-steel Co. Ltd. through our platform to request a product sample before committing to a large wholesale order.
WH-steel Co. Ltd. is a registered and verified supplier on EximNext. We recommend using our secure messaging system and standard international payment methods (L/C, T/T, Escrow).
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