Import Flange Welding Couplings — Buy in wholesale FOB from Supplier in China
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Flange Welding Couplings
Grace Tian supplies J518/ISO 6162 compliant flange welding couplings forged from carbon steel or alloy steel, typically ASTM A694 Grade F60. These couplings are rated for 3000 PSI and 6000 PSI working pressure, with operational temperature limits between 20°C and 90°C. Each unit includes bolts, nuts, spring washers, and o-rings as specified in the engineering drawing, ensuring complete assembly readiness.
The material composition follows standard forged steel practices for high-pressure fluid systems. Grade F60 offers higher yield strength than lower carbon grades, making it suitable for demanding hydraulic applications. Surface finish and dimensional tolerances align with ISO 6162 requirements for flange face flatness and bolt hole alignment, though exact surface roughness values are not provided by the supplier.
These couplings are primarily purchased by manufacturers of construction machinery, oil and gas equipment, and industrial fluid power systems. Buyers typically order in quantities of 50 to 500 units per shipment, with packaging in wooden crates or steel pallets. Lead time and Incoterms must be confirmed directly with the supplier, as no trade terms are listed in the source data.
| Material | Carbon steel or alloy steel, forged, typically ASTM A694 Grade F60 |
| Standard | J518 / ISO 6162 |
| Pressure Rating | 3000 PSI and 6000 PSI |
| Operating Temperature Range | 20°C to 90°C |
| Flange Face Type | Typical raised face per ISO 6162 |
| Bolt Hole Pattern | Standard for ISO 6162 flange classes, varies by size |
| Sealing Element | O-ring included, typically NBR or EPDM material |
| Surface Treatment | Typical anti-corrosion coating, such as zinc plating or black oxide |
| Bolt and Nut Set | Included per drawing, typically ASTM A193 B7 bolts with ASTM A194 2H nuts |
| Weight Range | Typical range 1.5 kg to 12 kg per unit, depending on size and pressure class |
Grace Tian is a supplier based in Dalian, China, with a physical address listed at No.51 Xinping Street, Ganjingzi District. The company is verified as a harbor-tier supplier, indicating basic trade compliance, but no company history, certifications, or production capacity are disclosed. The listing does not state whether the supplier operates a manufacturing facility or acts as a trader.
There is no public information regarding workforce size, annual output, or client references. Response metrics show zero response rate and zero average response hours, suggesting limited communication capability. Buyers should treat this as a basic sourcing entry and verify all technical and trade details directly before placing an order.
This J518/ISO 6162 compliant flange welding coupling is engineered for high-pressure hydraulic and fluid power systems rated at 3000 PSI and 6000 PSI working pressure. Designed for working temperatures ranging from 20 to 90°C, it is suitable for oil and gas, construction equipment, and industrial fluid transmission applications. A reliable choice for importers seeking robust pipe connection solutions that meet stringent international flange standards for global trade.
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Sourcing Flange Welding Couplings from Grace Tian - China Import Guide
Before ordering, verify the material grade with a mill test report for ASTM A694 F60, confirm the pressure test certificate for both 3000 PSI and 6000 PSI ratings, and inspect the o-ring material specification. Ensure the flange face finish meets ISO 6162 surface roughness requirements. Do not accept couplings without documentation of material composition or pressure testing.
Lead time is not stated and must be confirmed directly. Incoterms are not listed, so clarify whether delivery is FOB Dalian, CIF your port, or another term. Packaging is typically wooden crates with internal moisture barriers. Request a shipping schedule and confirm container loading details to avoid damage during transit.
Perform a visual inspection for surface cracks, misaligned bolt holes, or damaged threads. Use a torque wrench to verify bolt tension during installation. Request a batch-specific inspection report covering dimensional checks and o-ring integrity. Retain a sample from each shipment for future quality reference. Documentation should include a packing list, test certificates, and material compliance statement.
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30 suppliersBuy Flange Welding Couplings in Bulk — Verified Supplier in China
When sourcing Flange Welding Couplings for your business, securing the right balance of quality and cost is essential. Grace Tian, a verified supplier based in China, offers this product with key specifications including J518 (SAE J518), ISO 6162, 3000 PSI and 6000 PSI, and 20°C to 90°C. By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $110/Bags and manage bulk orders with a minimum order quantity (MOQ) of 1 Bags. This product is actively traded under HS Code 7307.23, making it a staple in the Flanges sector with strong demand from importing countries worldwide.
Flange Welding Couplings Specifications, Trade Terms & Pricing
Importing Flange Welding Couplings requires careful attention to shipping logistics, customs compliance, and secure payment terms. Grace Tian offers flexible shipping options such as Full Container Load (FCL) or Less than Container Load (LCL) via sea freight. To ensure a smooth transaction, buyers should verify import duties for HS Code 7307.23 in their destination country. Common payment methods for international B2B transactions include Letter of Credit (L/C), Telegraphic Transfer (T/T), and Documents against Payment (D/P). All transactions and RFQs are facilitated through EximNext, a leading B2B marketplace designed to make cross-border trade secure and efficient.
About Grace Tian — Supplier in China
Finding trustworthy partners is the foundation of successful importing. The supplier of this Flange Welding Couplings has been verified on our platform. Whether you are a distributor, wholesaler, or procurement manager, you can request a free quotation, ask for product samples, and finalize your bulk purchase with confidence. EximNext hosts thousands of verified manufacturers and exporters across 200+ countries. Explore similar products in the Flanges category and connect with top-tier exporters on our comprehensive global B2B marketplace. Start your sourcing journey today.
Import Flange Welding Couplings — Shipping, Logistics & Customs
Importing Flange Welding Couplings requires careful attention to shipping logistics, customs compliance, and secure payment terms. Common shipping options include Full Container Load (FCL) or Less than Container Load (LCL) via sea freight. Buyers should verify import duties for HS Code 7307.23 in their destination country. Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), and Documents against Payment (D/P).
Frequently Asked Questions About Flange Welding Couplings
What is the wholesale price of Flange Welding Couplings?
The current listed wholesale price for Flange Welding Couplings from Grace Tian is $110/Bags on FOB terms from China. Prices may vary depending on order volume, packaging, and destination. For the most accurate bulk quote, send a direct RFQ to Grace Tian through EximNext.
What is the Minimum Order Quantity (MOQ) for Flange Welding Couplings?
The supplier, Grace Tian, has set a Minimum Order Quantity (MOQ) of 1 Bags for Flange Welding Couplings. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for Flange Welding Couplings?
For international shipping and customs clearance, Flange Welding Couplings is classified under HS Code 7307.23. Buyers should verify their local customs regulations to determine applicable import duties and taxes for this classification.
How can I import Flange Welding Couplings from China?
To import Flange Welding Couplings from China, negotiate shipping terms (FOB, CIF, or EXW) directly with Grace Tian. Ensure you have the necessary import licenses for Flanges products in your destination country.
Is Grace Tian a verified supplier?
Yes, Grace Tian is a verified supplier on EximNext. You can view their complete company profile, business registration details, certifications, and export history before placing a bulk order.
What are the key specifications of Flange Welding Couplings?
The key specifications for Flange Welding Couplings supplied by Grace Tian include J518 (SAE J518), ISO 6162, 3000 PSI and 6000 PSI, and 20°C to 90°C. For a complete technical data sheet or Certificate of Analysis (COA), send an inquiry directly to the supplier through EximNext.
What packaging options are available for bulk orders of Flange Welding Couplings?
Grace Tian offers Flange Welding Couplings with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import Flange Welding Couplings the most?
Flange Welding Couplings is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Grace Tian through our platform.
What certifications does this Flange Welding Couplings supplier hold?
Grace Tian maintains international quality certifications. These ensure that the Flange Welding Couplings meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for Flange Welding Couplings on EximNext?
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Grace Tian will respond with a detailed wholesale quote including FOB pricing, lead time, and payment options.
What payment methods are accepted?
Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), Documents against Payment (D/P), and Escrow services. Confirm accepted terms directly with Grace Tian.
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