Import Nickel Iron Glass Sealing 42 Alloy — Buy in wholesale FOB from Supplier in China
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Nickel Iron Glass Sealing 42 Alloy
Nickel Iron Glass Sealing 42 Alloy from Xian Gangyan Special Alloy Co., Ltd. is a controlled-expansion nickel-iron alloy with a nominal composition of 41.0% nickel, 0.05% carbon, 0.40% manganese, 0.25% silicon, and the balance iron. Designed for glass-to-metal and ceramic-to-metal sealing, it maintains a low and stable coefficient of thermal expansion from room temperature to approximately 300°C, making it ideal for hermetic seals in electronic components such as transistor headers, diode bases, and vacuum tube envelopes.
The alloy is supplied in forms including strip, wire, and rod, adhering to ASTM F30 standards for controlled-expansion applications. Its matched thermal expansion properties ensure compatibility with borosilicate and other sealing glasses, while its uniform microstructure minimizes stress during thermal cycling. Typical industry applications include semiconductor packaging, aerospace connectors, and medical device components where reliability under thermal stress is critical.
This material is widely used in industries requiring precision sealing, such as electronics manufacturing and semiconductor fabrication. Buyers typically source it in coil or cut lengths, with dimensions tailored to specific applications. The alloy’s performance in maintaining hermetic integrity at elevated temperatures makes it a preferred choice for high-reliability environments, and it is often paired with compatible glass types to achieve optimal sealing results.
| Alloy Type | Nickel Iron 42 (FeNi42) |
| Nominal Nickel Content | 41.0% |
| Carbon Content | 0.05% |
| Manganese Content | 0.40% |
| Silicon Content | 0.25% |
| Balance Element | Iron (Fe) |
| Thermal Expansion Coefficient | Low and nominally constant from room temperature to 300°C |
| Primary Standard | ASTM F30 |
| Typical Forms | Strip, wire, rod |
| Typical Application | Glass-to-metal and ceramic-to-metal sealing |
| Typical Industry Use | Semiconductor packaging, electronics, aerospace connectors |
| Typical Compatible Glass | Borosilicate and other sealing glasses |
Xian Gangyan Special Alloy Co., Ltd. is based in Xianyang City, Shaanxi Province, China, with its registered address at No. 88 East of Century Avenue. The company operates as a supplier of specialty alloys, including controlled-expansion materials like Nickel Iron Glass Sealing 42 Alloy, catering to industries requiring precision engineering solutions.
The supplier holds a harbor trust tier, indicating a verified operational presence. While the response rate and average response hours are currently not available, the company’s focus on niche alloy products suggests a commitment to serving specialized industrial needs. Buyers are encouraged to confirm specific capabilities, certifications, and lead times directly with the supplier to ensure alignment with project requirements.
Alloy 42 is a nickel-iron controlled expansion alloy with approximately 41% nickel balance iron, specifically engineered for glass-to-metal and ceramic-to-metal sealing applications in electronics and semiconductor packaging. It offers a matched thermal expansion coefficient ideal for hermetic seals in components such as transistor headers, diode bases, and vacuum tube envelopes. Widely sourced from producers in the US, Japan, and Germany, FeNi42 is available in strip, wire, and rod forms under ASTM F30 and related standards, making it a critical material in high-reliability electronic manufacturing. Pricing varies by form and purity, with strip commanding a premium over ingot or rod.
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Sourcing Nickel Iron Glass Sealing 42 Alloy from Xian Gangyan Special Alloy Co., Ltd. - China Import Guide
Before placing an order, verify the supplier’s ability to meet your exact specifications for Nickel Iron 42 Alloy, including form, dimensions, and purity levels. Request certifications of compliance with ASTM F30 or other relevant standards to ensure the material meets your project’s technical requirements. Confirm whether the supplier can provide third-party testing reports for thermal expansion and composition.
Discuss logistics details such as packaging, labeling, and shipping methods to ensure the material arrives in optimal condition. Clarify lead times for production and delivery, and confirm the Incoterms that will govern the transaction, such as FOB or CIF, to avoid misunderstandings. Payment terms should also be agreed upon in advance to align with your procurement processes.
Quality checks should include verifying the alloy’s composition and thermal expansion properties upon receipt. Inspect the material for surface defects or inconsistencies that could affect performance in your application. Request documentation such as mill test reports and certificates of conformity to ensure traceability and compliance with your quality standards.
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30 suppliersBuy Nickel Iron Glass Sealing in Bulk — Verified Supplier in China
When sourcing Nickel Iron Glass Sealing 42 Alloy 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 Alloy 42 / FeNi42 / N42 Controlled Expansion Alloy, Ni 41.0%, Fe Balance; C 0.05%, Mn 0.40%, Si 0.25% (Nominal), and Strip: 0.1mm - 2.0mm thick x 10-300mm wide; Wire: 0.1mm - 5.0mm dia; Rod: upon request. 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 Iron Alloy sector with strong demand from importing countries worldwide.
Nickel Iron Glass Sealing Specifications, Trade Terms & Pricing
Importing Nickel Iron Glass Sealing 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 import export 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 Glass Sealing 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 Iron Alloy category and connect with top-tier exporters on our comprehensive online B2B marketplace. Start your sourcing journey today.
Import Nickel Iron Glass Sealing — Shipping, Logistics & Customs
Importing Nickel Iron Glass Sealing 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 Glass Sealing
What is the wholesale price of Nickel Iron Glass Sealing 42 Alloy?
The current listed wholesale price for Nickel Iron Glass Sealing 42 Alloy 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 Glass Sealing?
The supplier, Xian Gangyan Special Alloy Co., Ltd., has set a Minimum Order Quantity (MOQ) of 1 Bags for Nickel Iron Glass Sealing. 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 Glass Sealing 42 Alloy?
For international shipping and customs clearance, Nickel Iron Glass Sealing 42 Alloy 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 Glass Sealing from China?
To import Nickel Iron Glass Sealing 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 Iron 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 Glass Sealing 42 Alloy?
The key specifications for Nickel Iron Glass Sealing 42 Alloy supplied by Xian Gangyan Special Alloy Co., Ltd. include Alloy 42 / FeNi42 / N42 Controlled Expansion Alloy, Ni 41.0%, Fe Balance; C 0.05%, Mn 0.40%, Si 0.25% (Nominal), and Strip: 0.1mm - 2.0mm thick x 10-300mm wide; Wire: 0.1mm - 5.0mm dia; Rod: upon request. 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 Glass Sealing?
Xian Gangyan Special Alloy Co., Ltd. offers Nickel Iron Glass Sealing 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 Glass Sealing the most?
Nickel Iron Glass Sealing 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 Glass Sealing supplier hold?
Xian Gangyan Special Alloy Co., Ltd. maintains international quality certifications. These ensure that the Nickel Iron Glass Sealing meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for Nickel Iron Glass Sealing 42 Alloy 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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