Hardware Chains
Gradw 30 Proof Coil Chain NACM2010
Grade 30 Proof Coil Chain manufactured to NACM2010 standards, made from low-carbon steel and proof tested with a 4:1 design factor. Available in galvanized, painted, or plain finishes, it suits general utility tasks where overhead lifting is not required. Sizes range from 1/8 inch to 1 inch nominal diameter, with working load limits from 400 lbs to 17,900 lbs. Designed for secure tying, dragging, and anchoring in farm, industrial, and marine environments.
- Finish
- Galvanized (zinc-plated), Stainless Steel (passivated), Plastic spraying Processing: Welded Applications: Farm
- Standard
- NACM, or custom specifications as required Size Range: From 1/8" to 1" (custom sizes available on request)
- Catalogue Family
- Hardware Chains
- Certificates
- EN 10204 3.1 material test certificate on request
CAD files are supplied on request via WhatsApp or email rather than published for open download.
Key Benefits
What Gradw 30 Proof Coil Chain NACM2010 Gives You
- Proof tested with a 4:1 design factor to ensure consistent performance under rated load
- Low-carbon steel body provides flexibility and resistance to impact in dynamic applications
- Galvanized, painted, or plain finish options resist corrosion in outdoor and wet environments
- Welded construction ensures uniform link strength and consistent load transfer
- Available in sizes from 1/8 inch to 1 inch nominal diameter for a broad range of tie-down and securing tasks
- Self-color finish, zinc plated, or hot dip galvanized options suit different environmental demands
- Lightweight and easy to handle for field use without requiring special tools
Application Scenarios
Where Gradw 30 Proof Coil Chain NACM2010 Is Used
- Securing cargo on flatbed trailers using tie-down chains with moderate load and no overhead lift
- Marine use for mooring buoys, net lines, and small boat anchoring where corrosion resistance is needed
- Farm and agricultural operations for tethering equipment, fencing, and livestock handling
- Industrial site work for temporary rigging, equipment anchoring, and material transport
- Home and workshop use for securing tools, machinery, and stored items during movement
- Light-duty towing and recovery setups where a chain must resist abrasion and repeated loading
Who It Is For
Buyers This Product Is Built For
- Logistics and transport companies needing reliable chain for securing freight on trucks
- Marine contractors specifying chain for small vessel mooring and net handling
- Farmers and agricultural equipment operators securing tractors and implements
- Industrial maintenance teams using chain for temporary anchoring and equipment repositioning
- Rigging distributors carrying a general-purpose chain line for non-critical applications
- Contractors sourcing cost-effective chain for site fencing, temporary barriers, and load restraint
Problems It Solves
Problems This Product Removes
- Inconsistent chain strength from untested or non-proofed products in non-critical but safety-sensitive tasks
- Corrosion damage in outdoor or wet environments due to lack of protective finish
- Overhead lifting risks when using chains not rated for vertical load or suspended duty
- Need for multiple chain types across different job sites when a single general-purpose chain suffices
- Difficulty in sourcing chain with standardized proof testing and traceable working load limits
- Lack of finish options for environments requiring resistance to moisture, salt, or chemicals
Technical Features
Technical Features
- Made from low-carbon steel with a 4:1 design factor, proof tested to minimum breaking load
- Welded link construction for consistent strength and uniform load distribution
- Available in galvanized, painted, or plain finishes to suit environmental exposure
- Nominal chain size from 1/8 inch to 1 inch with working load limits up to 17,900 lbs
- Inside length and width dimensions meet NACM2010 standard for compatibility and fit
- Proof test the published multiple of the working load limit, with breaking force at 4 times WLL
- Stamped working load limit and material grade on each chain link for traceability
Specifications
Gradw 30 Proof Coil Chain NACM2010 Specifications
Values published in the Kailipu catalogue for this item. Anything not listed is available on request.
| Nominal Chain Size | 1/8 inch to 1 inch |
|---|---|
| Material | Low-carbon steel |
| Design Factor | 4:1 |
| Proof Test Load | the published multiple of the working load limit |
| Minimum Breaking Force | 4 times working load limit |
| Finish Options | Plain, painted, hot dip galvanized |
| Working Load Limit Range | 400 lbs to 17,900 lbs |
| Standard | NACM2010 |
| Application | General utility, not for overhead lifting |
| Certification | Material Test Certificate to EN 10204 3.1 on request |
Full size table on request. The catalogue publishes a full dimension and capacity table for this item. Ask on WhatsApp or by email and we will send it as a PDF.
Materials
Materials And Finishes
- Low-carbon steel body for flexibility and impact resistance in dynamic use
- Galvanized finish for corrosion protection in outdoor and marine environments
- Painted finish for visual identification and moderate environmental resistance
- Plain finish for applications where coating is not required or where surface contact matters
- Welded joints with consistent fusion to maintain strength across the chain link
Manufacturing Process
How This Product Is Made
1Raw material inspection and verification of low-carbon steel composition
2Cutting of steel rod to required diameter for each chain size
3Forming of chain links using precision dies and roll forming
4Welding of links with controlled heat input to maintain material integrity
5Proof load testing on each batch to verify 4:1 design factor
6Surface treatment including galvanizing, painting, or leaving plain
7Stamping of working load limit and material grade on each link
8Final inspection and packing for shipment
Quality Control
Quality Control On Every Batch
- Proof load test conducted on production batches to confirm the published multiple of the working load limit
- Dimensional checks on inside length and width to meet NACM2010 specifications
- Breaking strength validation to ensure the published multiple of the working load limit
- Visual inspection of welds and surface finish for defects or inconsistencies
- Material Test Certificate to EN 10204 3.1 issued with each order on request
- Third-party inspection accepted at the Qingdao warehouse before shipment
Documentation
Certification And Documentation Supplied
- Material Test Certificate to EN 10204 3.1 supplied with orders on request
- Working load limit and material grade stamped on each chain link
Customisation
Customisation Options
- Custom tonnage stamping on chain links for traceability and site use
- Private label and OEM marking available for brand-specific packaging
- Finish options in zinc plating, powder coating, or electrophoretic black as required
- Custom sizes and lengths built to a drawing or specification
- Packing configurations tailored to carton count, pallet pattern, or retail display
Compare
How It Compares With The Alternatives
An honest read on where this pattern wins and where another one would serve you better.
| Alternative | Honest Trade Off |
|---|---|
| Grade 80 Chain | Grade 30 is lighter and less expensive but not rated for overhead lifting or dynamic loads; Grade 80 suits critical lifting with higher safety margins |
| Plastic-coated chain | Grade 30 with galvanized or painted finish offers better abrasion resistance and longer life in harsh environments than plastic-coated chain |
| Rope tie-down | Chain provides superior durability and resistance to cutting, UV, and wear compared to synthetic rope in high-abrasion or outdoor conditions |
| Wire rope | Chain is more resistant to crushing and bending fatigue but heavier and less flexible than wire rope for long runs |
Use Guide
How To Use And Inspect Gradw 30 Proof Coil Chain NACM2010
- Never exceed the stamped working load limit; use only for non-critical, non-overhead applications
- Inspect the chain before each use for wear, deformation, or damaged welds
- Avoid sharp bends or side loading that can distort the link or reduce strength
- Use galvanized or painted finish in wet or corrosive environments to extend service life
- Clean and dry the chain after exposure to saltwater or chemicals to prevent pitting
- Replace the chain if the link shows visible stretching, cracks, or if the marking is illegible
Related Products
Often Ordered With This Item
Trailer Safety Chains with S-Hooks
Custom Grade 30 Safety Chain Assembly: Long Link Galvanized Chain with Bracket (Production per Drawing/Sample)
GRADE 43 HIGH TEST CHAIN NACM2010
GRADE 30 PROOF COIL CHAIN ASTM80
GRADE43 HIGH TEST CHAIN ASTM80
DIN5685A/C SHORT LINK / LONG LINK CHAIN
TWIST LINK CHAIN-NACM2010 MACHINE CHAIN
STRAIGHT LINK COIL CHAIN - NACM2010
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Answers
Gradw 30 Proof Coil Chain NACM2010 FAQ
Is Grade 30 Proof Coil Chain suitable for overhead lifting?
No. It is not rated for overhead lifting and should only be used in general utility applications such as securing, dragging, or anchoring. Use Grade 80 or higher chains for lifting tasks.
What is the design factor for this chain?
A standard 4:1 design factor is applied, meaning the minimum breaking force is four times the stated working load limit. Proof load is tested at the published multiple of the working load limit.
What finishes are available?
Available in plain, painted, or hot dip galvanized finishes. Galvanized provides the best corrosion resistance for outdoor and marine use.
Can you provide a Material Test Certificate?
Yes. A Material Test Certificate to EN 10204 3.1 is supplied with each order on request, along with proof load and breaking strength validation records.
Is custom sizing available?
Yes. Custom sizes and lengths can be built to a drawing or specification. Contact us with the required dimensions and application details.
How is the chain packed for export?
Standard packing is in cartons on pallets. We can configure the carton count and pallet pattern to suit your warehouse or retail needs. Free storage in Qingdao for up to two months is available.
What is the maximum working load limit?
The maximum working load limit is 17,900 lbs at 1 inch nominal size. All sizes and limits are listed in the specification table with corresponding proof and breaking loads.
Need A Quote On Gradw 30 Proof Coil Chain NACM2010
Send the sizes, the finish and the quantity on WhatsApp or by email. You get a priced reply within 24 hours and a straight answer on stock.
We reply within 24 hours on WhatsApp or by email. Send a drawing, a photo or a bill of materials and we will quote it as it stands.