Import Blue Shutter Spring Steel Strip — Buy in wholesale FOB from Supplier in China
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Blue Shutter Spring Steel Strip
Blue Shutter Spring Steel Strip is a hardened and tempered high-carbon steel product, manufactured from grades 65Mn and SK5 with carbon content between 0.62% and 0.70% and manganese between 0.90% and 1.20%. The surface is finished with a blue oxide layer to provide corrosion resistance and reduce friction during repeated flexing in roller shutter mechanisms. The material is cold rolled to precise thicknesses and delivered in coil form for automated cutting and forming.
The strip is produced under controlled tempering conditions to achieve a hardness range of 45-50 HRC, ensuring high fatigue resistance and elastic recovery. Typical thicknesses range from 0.2mm to 3.0mm and widths from 10mm to 200mm, with the most common dimensions being 1.2mm to 1.7mm thick and 30mm to 70mm wide. The blue finish is a result of controlled oxidation during heat treatment, not paint or coating, and remains intact under normal operational stress.
This product is used globally in rolling shutter doors, security gates, and industrial access systems, particularly in regions with high humidity or coastal exposure. Buyers include manufacturers of automated door systems in Europe, the Middle East, and North America. The material is supplied in coils weighing 80-150kg, with an inner diameter of 400mm and outer diameter up to 650mm. Export packaging includes steel strapping, light oil coating, and waterproof paper wrapping on metal pallets holding 2-2.5 tonnes per unit.
| Material grade | 65Mn / SK5 (C 0.62-0.70%, Mn 0.90-1.20%) |
| Surface finish | Blue oxide (thermally formed, not painted) |
| Thickness range | 0.2mm to 3.0mm |
| Width range | 10mm to 200mm |
| Typical thickness | 1.20mm to 1.70mm (most common for shutter applications) |
| Typical width | 30mm to 70mm (standard for residential and commercial shutters) |
| Hardness | 45-50 HRC (achieved through quenching and tempering) |
| Tensile strength | Typical 1200-1400 MPa for 65Mn in tempered condition |
| Coil inner diameter | 400mm |
| Coil outer diameter | Up to 650mm |
| Coil weight | 80kg to 150kg per coil |
| Packaging | Steel strapping, light oil coating, waterproof compound paper, metal pallets (2.0-2.5 tonnes per pallet) |
| Edge condition | Deburred, no burrs or sharp edges |
| Flatness tolerance | Typical ±0.05mm over 1000mm length |
Guangzhou Shiguang Weiyouliang Trading Co., Ltd is a trading company based in Panyu District, Guangzhou, with no factory disclosed. The supplier specialises in exporting hardened spring steel strips for shutter applications and claims monthly exports of hundreds of tons. Its trust tier is harbor, indicating basic registration verification, but no production facility audit or ISO certification is mentioned in the listing.
The company does not state its founding date, workforce size, or revenue. It references clients in over 40 countries across North and South America, Eastern Europe, and the Middle East, but provides no names or order volumes. The listing describes internal quality controls for thickness, hardness, and flexibility, but no third-party test reports are offered. The supplier's operational focus appears to be on standardised coil dimensions and export packaging rather than custom alloy development.
Blue shutter spring steel strip is manufactured from high-carbon spring steel grades such as 65Mn and SK5, featuring hardened and tempered condition for superior elasticity and fatigue resistance required in rolling shutter mechanisms. This blue oxide-finished steel strip is produced in thicknesses ranging from 0.2mm to 3.0mm with widths of 10mm to 200mm, supplied in coil form with standard export packaging suitable for international trade. Widely applied in roller shutter doors, security gates, and industrial shutter systems across global markets.
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Sourcing Blue Shutter Spring Steel Strip from Guangzhou Shiguang Weiyouliang Trading Co., Ltd - China Import Guide
Before ordering, confirm the exact material grade (65Mn or SK5), hardness range, and flatness tolerance with a written specification sheet. Request a sample coil for testing in your own assembly line to validate feedability and bend performance. Verify the supplier can provide batch traceability via heat number or coil ID, as this is essential for quality audits in regulated markets like the EU or US.
Confirm the Incoterms - likely FOB Guangzhou or CIF destination port. Lead time is typically 15-25 days after order confirmation, depending on coil size and packaging. Payment terms are commonly 30% advance and 70% against BL copy. Ensure the commercial invoice includes HS code 7214.99 for other flat-rolled products of non-alloy steel. Request a packing list with gross/net weights and pallet count per container.
Conduct a pre-shipment inspection focusing on coil integrity, surface finish uniformity, and absence of rust or oil contamination. Use a hardness tester to sample 3 coils per shipment. Check that the blue oxide layer is consistent and not flaking. Require a mill test certificate for chemical composition and mechanical properties. Retain a sealed sample for 12 months to support any claims related to fatigue failure in the field.
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30 suppliersBuy Blue Shutter Spring Steel in Bulk — Verified Supplier in China
When sourcing Blue Shutter Spring Steel Strip for your business, securing the right balance of quality and cost is essential. Guangzhou Shiguang Weiyouliang Trading Co., Ltd, a verified supplier based in China, offers this product with key specifications including 65Mn / 50CrVA Spring Steel Strip, Blue Tempered, Carbon 0.62-0.70%, Manganese 0.90-1.20%, Silicon 0.17-0.37%, Chromium up to 0.25%, and Thickness 0.2mm - 3.0mm, Width 20mm - 150mm (customizable). By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $8001500/Bags and manage bulk orders with a minimum order quantity (MOQ) of 1 Bags. This product is actively traded under HS Code 7220.99, making it a staple in the Steel Strips sector with strong demand from importing countries worldwide.
Blue Shutter Spring Steel Specifications, Trade Terms & Pricing
Importing Blue Shutter Spring Steel requires careful attention to shipping logistics, customs compliance, and secure payment terms. Guangzhou Shiguang Weiyouliang Trading 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 7220.99 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 Guangzhou Shiguang Weiyouliang Trading Co., Ltd — Supplier in China
Finding trustworthy partners is the foundation of successful importing. The supplier of this Blue Shutter Spring Steel 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 Steel Strips category and connect with top-tier exporters on our comprehensive B2B marketplace. Start your sourcing journey today.
Import Blue Shutter Spring Steel — Shipping, Logistics & Customs
Importing Blue Shutter Spring Steel 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 7220.99 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 Blue Shutter Spring Steel
What is the wholesale price of Blue Shutter Spring Steel Strip?
The current listed wholesale price for Blue Shutter Spring Steel Strip from Guangzhou Shiguang Weiyouliang Trading Co., Ltd is $8001500/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 Guangzhou Shiguang Weiyouliang Trading Co., Ltd through EximNext.
What is the Minimum Order Quantity (MOQ) for Blue Shutter Spring Steel?
The supplier, Guangzhou Shiguang Weiyouliang Trading Co., Ltd, has set a Minimum Order Quantity (MOQ) of 1 Bags for Blue Shutter Spring Steel. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for Blue Shutter Spring Steel Strip?
For international shipping and customs clearance, Blue Shutter Spring Steel Strip is classified under HS Code 7220.99. Buyers should verify their local customs regulations to determine applicable import duties and taxes for this classification.
How can I import Blue Shutter Spring Steel from China?
To import Blue Shutter Spring Steel from China, negotiate shipping terms (FOB, CIF, or EXW) directly with Guangzhou Shiguang Weiyouliang Trading Co., Ltd. Ensure you have the necessary import licenses for Steel Strips products in your destination country.
Is Guangzhou Shiguang Weiyouliang Trading Co., Ltd a verified supplier?
Yes, Guangzhou Shiguang Weiyouliang Trading 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 Blue Shutter Spring Steel Strip?
The key specifications for Blue Shutter Spring Steel Strip supplied by Guangzhou Shiguang Weiyouliang Trading Co., Ltd include 65Mn / 50CrVA Spring Steel Strip, Blue Tempered, Carbon 0.62-0.70%, Manganese 0.90-1.20%, Silicon 0.17-0.37%, Chromium up to 0.25%, and Thickness 0.2mm - 3.0mm, Width 20mm - 150mm (customizable). 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 Blue Shutter Spring Steel?
Guangzhou Shiguang Weiyouliang Trading Co., Ltd offers Blue Shutter Spring Steel with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import Blue Shutter Spring Steel the most?
Blue Shutter Spring Steel is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Guangzhou Shiguang Weiyouliang Trading Co., Ltd through our platform.
What certifications does this Blue Shutter Spring Steel supplier hold?
Guangzhou Shiguang Weiyouliang Trading Co., Ltd maintains international quality certifications. These ensure that the Blue Shutter Spring Steel meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for Blue Shutter Spring Steel Strip on EximNext?
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Guangzhou Shiguang Weiyouliang Trading 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 Guangzhou Shiguang Weiyouliang Trading Co., Ltd.
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