Import Nickel Iron Alloy Super Invar 32-5 — Buy in wholesale FOB from Supplier in China
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Nickel Iron Alloy Super Invar 32-5
Nickel Iron Alloy Super Invar 32‑5 is a low‑expansion alloy comprising approximately 32 % Nickel, 5.5 % Cobalt and balance Iron, with minor traces of carbon, manganese and silicon as listed. The material meets ASTM F‑1684 specifications and is offered by Xian Gangyan Special Alloy Co., Ltd. in plate, rod and wire formats. Its composition delivers a thermal expansion coefficient roughly half that of conventional Invar 36, making it valuable for precision components.
Typical grades of Super Invar exhibit a tensile strength around 600 MPa and a thermal expansion coefficient near 1 µm/(m·K) in the - 55 °C to 95 °C range, figures that are standard for this class of alloy. Standard thicknesses span 0.2 mm to 8 mm, and wire diameters up to 30 mm are commonly supplied, with dimensional tolerances of ±0.03 mm. The alloy is usually processed under vacuum or inert atmosphere to preserve its microstructure, a practice typical for high‑stability materials.
Primary users include manufacturers of precision optics, laser systems, aerospace components and metrology equipment where dimensional stability is critical. The listing does not disclose minimum order quantities, lead times or incoterms, so buyers should request these details directly. Shipping is generally performed in bulk pallets or crates, and payment is often arranged via a letter of credit for initial transactions. Prospective importers should ask for a mill test certificate and compliance documentation to confirm ASTM F‑1684 conformity.
| Nickel content | 32 % (as listed) |
| Cobalt content | 5.5 % (as listed) |
| Iron balance | balance (as listed) |
| Carbon content | 0.02 % (as listed) |
| Manganese content | 0.40 % (as listed) |
| Silicon content | 0.25 % (as listed) |
| ASTM standard | ASTM F‑1684 (as listed) |
| Available forms | plate, rod, wire (as listed) |
| Typical tensile strength | 600 MPa (typical) |
| Typical thermal expansion coefficient | 1 µm/(m·K) (typical) |
| Typical density | 8.1 g/cm³ (typical) |
| Typical thickness range | 0.2 mm - 8 mm (typical) |
Xian Gangyan Special Alloy Co., Ltd. is based at No. 88 East Of Century Avenue, Xianyang City, Shaanxi Province, China, postal code 712046. The company is classified in the harbour trust tier on the platform, indicating a verified business registration. Its public profile does not include response statistics, showing a response rate of 0 % and no recorded average response time.
The company’s catalogue includes the Super Invar 32‑5 alloy alongside Kovar, indicating capability to produce low‑expansion nickel‑iron alloys for high‑precision sectors. While the profile does not list production volumes, the harbour trust tier and verified address suggest an established manufacturing operation. Buyers should request capability statements and any existing quality certifications.
Super Invar 32-5 is a premium low thermal expansion alloy composed of approximately 32% Nickel and 5.5% Cobalt with balance Iron, designed for applications requiring exceptional dimensional stability across temperature variations. This Fe-Ni-Co alloy is widely specified in precision optics, scientific instrumentation, laser systems, aerospace components, and metrology equipment where thermal expansion must be minimized. As a specialized engineering alloy, Super Invar 32-5 is traded in plate, rod, and wire form and is subject to export controls due to its strategic applications in defense and high-precision manufacturing sectors.
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Sourcing Nickel Iron Alloy Super Invar 32-5 from Xian Gangyan Special Alloy Co., Ltd. - China Import Guide
Importers should first obtain a mill test certificate that details the exact Nickel, Cobalt, Iron and trace element percentages, as well as confirmation of ASTM F‑1684 compliance. A material test report indicating the thermal expansion coefficient and tensile strength will help ensure the alloy meets the stringent stability requirements of precision applications.
Logistics should be clarified with the supplier, including the preferred Incoterm - commonly FOB Xianyang Port or CIF Shanghai - and an estimated production lead time for the requested form and size. Initial payments are typically secured by an irrevocable letter of credit, with the possibility of open‑account terms for established buyers. Discuss container loading plans and any special handling needed for the alloy plates.
A pre‑shipment inspection by an accredited agency is advisable to verify dimensions, surface finish and mechanical properties against the agreed specifications. Upon arrival, request the certificate of conformity, mill test report and packing list to facilitate customs clearance. Keeping these records supports future quality assessments and supplier performance monitoring.
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30 suppliersBuy Nickel Iron Alloy Super I in Bulk — Verified Supplier in China
When sourcing Nickel Iron Alloy Super Invar 32-5 for your business, securing the right balance of quality and cost is essential. Xian Gangyan Special Alloy Co., Ltd., a verified supplier based in China, offers this product with key specifications including Super Invar 32-5 (UNS K94610 / ASTM F1684), Fe Bal, 32% Ni, 5.5% Co, 0.02% C, 0.40% Mn, 0.25% Si (nominal), and Available in sheet (0.1-10mm), plate (10-50mm), rod (5-100mm dia), wire, and custom cut-to-size. By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $1632/Bags and manage bulk orders with a minimum order quantity (MOQ) of 1 Bags. This product is actively traded under HS Code 7202.99, making it a staple in the Nickel Alloy sector with strong demand from importing countries worldwide.
Nickel Iron Alloy Super I Specifications, Trade Terms & Pricing
Importing Nickel Iron Alloy Super I requires careful attention to shipping logistics, customs compliance, and secure payment terms. Xian Gangyan Special Alloy Co., Ltd. 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 7202.99 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 online B2B marketplace designed to make cross-border trade secure and efficient.
About Xian Gangyan Special Alloy Co., Ltd. — Supplier in China
Finding trustworthy partners is the foundation of successful importing. The supplier of this Nickel Iron Alloy Super I 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 Nickel Alloy category and connect with top-tier exporters on our comprehensive B2B marketplace. Start your sourcing journey today.
Import Nickel Iron Alloy Super I — Shipping, Logistics & Customs
Importing Nickel Iron Alloy Super I 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 7202.99 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 Nickel Iron Alloy Super I
What is the wholesale price of Nickel Iron Alloy Super Invar 32-5?
The current listed wholesale price for Nickel Iron Alloy Super Invar 32-5 from Xian Gangyan Special Alloy Co., Ltd. is $1632/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 Xian Gangyan Special Alloy Co., Ltd. through EximNext.
What is the Minimum Order Quantity (MOQ) for Nickel Iron Alloy Super I?
The supplier, Xian Gangyan Special Alloy Co., Ltd., has set a Minimum Order Quantity (MOQ) of 1 Bags for Nickel Iron Alloy Super I. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for Nickel Iron Alloy Super Invar 32-5?
For international shipping and customs clearance, Nickel Iron Alloy Super Invar 32-5 is classified under HS Code 7202.99. Buyers should verify their local customs regulations to determine applicable import duties and taxes for this classification.
How can I import Nickel Iron Alloy Super I from China?
To import Nickel Iron Alloy Super I from China, negotiate shipping terms (FOB, CIF, or EXW) directly with Xian Gangyan Special Alloy Co., Ltd.. Ensure you have the necessary import licenses for Nickel Alloy products in your destination country.
Is Xian Gangyan Special Alloy Co., Ltd. a verified supplier?
Yes, Xian Gangyan Special Alloy Co., Ltd. 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 Nickel Iron Alloy Super Invar 32-5?
The key specifications for Nickel Iron Alloy Super Invar 32-5 supplied by Xian Gangyan Special Alloy Co., Ltd. include Super Invar 32-5 (UNS K94610 / ASTM F1684), Fe Bal, 32% Ni, 5.5% Co, 0.02% C, 0.40% Mn, 0.25% Si (nominal), and Available in sheet (0.1-10mm), plate (10-50mm), rod (5-100mm dia), wire, and custom cut-to-size. 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 Nickel Iron Alloy Super I?
Xian Gangyan Special Alloy Co., Ltd. offers Nickel Iron Alloy Super I with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import Nickel Iron Alloy Super I the most?
Nickel Iron Alloy Super I is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Xian Gangyan Special Alloy Co., Ltd. through our platform.
What certifications does this Nickel Iron Alloy Super I supplier hold?
Xian Gangyan Special Alloy Co., Ltd. maintains international quality certifications. These ensure that the Nickel Iron Alloy Super I meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for Nickel Iron Alloy Super Invar 32-5 on EximNext?
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Xian Gangyan Special Alloy Co., Ltd. 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 Xian Gangyan Special Alloy Co., Ltd..
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