Opti Cast Iron Weights Dumbbell Barbell Set with Rack
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Product Highlights
- OEM & ODM Customization: Full customization available based on customer drawings, designs, or samples.
- Wide Material Selection: Available in Gray Iron, Ductile Iron, and Steel castings with multiple international standards.
- Extensive Surface Treatment: Options include sand blasting, painting, zinc plating, hot galvanizing, and powder coating.
- High Precision Machining: CNC machining with casting tolerances ranging from CT8 to CT12 depending on the process.
- Comprehensive Quality Control: 100% inspection including visual, function, tensile, hardness, and metallographic tests.
- Large Weight Capacity: Casting weight range from 0.5kg to 20 tons per piece to meet diverse industrial needs.
- Fast Sample Delivery: Samples ready within 30 days after payment confirmation.
- No Minimum Order Quantity: Flexible purchasing with no strict MOQ requirements for casting orders.
Product Attributes
- Customization
- Available
- Type
- Chemical Hardening Sand
- Casting Method
- Directional Crystallization
- Model NO.
- GC
- Sand Core Type
- Resin Sand Core
- Application
- Machinery Parts
- Machining
- CNC Machining
- Material
- Iron
- Surface Treatment
- Sand Blast
- Surface Roughness
- Ra12.5
- Standard
- AISI, ASTM, GOST, BS, JIS, GB
- Certification
- ISO 9001:2000, ISO 9001:2008
- Molding Technics
- Gravity Casting
- Surface Preparation
- Sand Blast
- Machining Tolerance
- as Drawing
- Casting Progress
- Sand Casting/Lost Foam Casting/Investment Casting
- Tolerance
- CT9-CT12
- Demand
- Casting Drawing+Machining Drawing
- Technology
- Casting+CNC Machined
- Heat Treatment
- as Requirement
- Dimensions
- OEM Customized/Customer′S Drawing
- Samples Time
- 30 Days After Payment
- Lead Time
- 35-45 Days
- MOQ
- No Need
- Transport Package
- Export Packing
- Specification
- Customized
- Trademark
- Shengrong
- Origin
- China
- HS Code
- 73251010
- Production Capacity
- 60000 Tons
- Package Size
- 100.00cm * 100.00cm * 50.00cm
- Package Gross Weight
- 1000.000kg
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
Product Images of Opti Cast Iron Weights Dumbbell Barbell Set with Rack
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Product Description

Gray iron HT200-350 (GG20-35, FC200-350);Ductile Iron QT400-QT600(GGG40-GGG60,FCD400-FCD600)
2. Surface treatment: Shot blast, painting; Heat treatment is optional;
3. Custom according to your drawing, specification or samples;
Material | Gray Iron Casting/Ductile Iron Casting/Steel castings |
Process | Sand casting/lost foam casting/investment casting + CNC machining |
Casting Tolerance | CT9-10 for Machine Molding Process, CT8-9 for Shell Molding and Lost Foam Molding Casting Process CT10-11 for Manual Molding Sand casting Process |
Casting surface roughness | Ra 12.5-25 um |
Casting weight range | 0.5kg to 20 tons per piece |
Casting Size | As Requirement/As drawing |
Machining surface roughness | As Requirement |
Material standard | GB, ASTM, AISI, DIN, BS, JIS, NF, AS, AAR |
Surface treatment | KTL (E-coating), Zinc plating, Mirror Polishing, Sand Blasting, Acid pickling, black oxide, Painting, Hot galvanizing, Powder coating, and Nickel plating. |
Service available | OEM & ODM |
Quality control/Testing facility | Sectrometer, tensile test machine, hardness test machine,metallographic microscope. 100% inspection |
Application | Train & railway, automobile& truck, construction machinery, forklift, agricultural machinery, shipbuilding, petroleum machinery,construction, valves and pumps, electric machine, hardware, power equipment, and so on. |
Gray Iron Material Grades | ||||||
China | GB 9439 | HT100 | HT150 | HT200 | HT250 | HT300 |
USA | ASTM A48 | – | NO.20 | NO.30 | NO.35 | NO.40 |
Germany | DIN 1691 | GG10 | GG15 | GG20 | GG25 | GG30 |
European | EN 1561 | EN-GJL-100 | EN-GJL-150 | EN-GJL-200 | EN-GJL-250 | EN-GJL-300 |
Japan | JIS G5501 | FC100 | FC150 | FC200 | FC250 | FC300 |
Italy | UNI 5007 | G10 | G15 | G20 | G25 | G30 |
France | NF A32-101 | – | FGL150 | FGL200 | FGL250 | FGL300 |
UK | BS 1452 | 100 | 150 | 200 | 250 | 300 |
India | IS 210 | – | FG150 | FG200 | FG260 | FG300 |
Spain | UNF | – | FG15 | FG20 | FG25 | FG30 |
Ductile /Nodular Cast Iron Material Grades | |||||||
Country | Standard | Equivalent Grades of Ductile iron (SG Iron, Nodular Graphite Iron) | |||||
China | GB 1348 | QT400-18 | QT450-10 | QT500-7 | QT600-3 | QT700-2 | QT800-2 |
USA | ASTM A536 | 60-40-18 | 60-42-10 | 70-50-05 | 80-55-06 | 100-70-03 | 120-90-02 |
Germany | DIN 1693 | GGG40 | — | GGG50 | GGG60 | GGG70 | GGG80 |
European | EN 1563 | EN-GJS-400-15 | EN-GJS-450-10 | EN-GJS-500-7 | EN-GJS-600-3 | EN-GJS-700-2 | EN-GJS-800-2 |
Japan | JIS G5502 | FCD400 | FCD450 | FCD500 | FCD600 | FCD700 | FCD800 |
Italy | UNI 4544 | GS370-17 | GS400-12 | GS500-7 | GS600-2 | GS700-2 | GS800-2 |
France | NF A32-201 | FGS370-17 | FGS400-12 | FGS500-7 | FGS600-2 | FGS700-2 | FGS800-2 |
UK | BS 2789 | 400/17 | 420/12 | 500/7 | 600/7 | 700/2 | 800/2 |
India | IS 1865 | SG370/17 | SG400/12 | SG500/7 | SG600/3 | SG700/2 | SG800/2 |
Spain | UNF | FGE38-17 | FGE42-12 | FGE50-7 | FGE60-2 | FGE70-2 | FGE80-2 |
Belgium | NBN 830-02 | FNG38-17 | FNG42-12 | FNG50-7 | FNG60-2 | FNG70-2 | FNG80-2 |
Australia | AS 1831 | 300-17 | — | 500-7 | 600-3 | 700-2 | 800-2 |
Sweden | SS 14 07 | 0717-02 | — | 0727-02 | 0732-03 | 0737-01 | 0864-03 |
Norway | NS11 301 | SJK-400.3 | — | SJK-500 | SJK-600 | SJK-700 | SJK-800 |










About the Supplier
This supplier has been audited by SGS. Verify the report on the official SGS website with ID "QIP-ASR254288". Items marked "" are certified.
Company Profile
Jiangsu Shengrong High-end Equipment Manufacturing Industry Co., Ltd. is a professional Gray cast iron/Ductile iron foundry in Jiangsu province in China, We produce iron casting parts: Machinery Bases, Construction machinery parts, Industrial pump parts, Gearbox parts, Automotive parts, Agriculture machine parts and OEM part. We have passed quality management system ISO 9001 and IATF16949. Our factory is located in Maba Town, Xuyi County, Huai'an City, Jiangsu province, covering an area of about 245 acres with new standardized factory building more than 200, 000 square meters, office building of 6, 000 square meters, more than 500 employees, including more than 100 technological engineer.
Our company produces ductile iron and gray cast iron series products, with an annual output of 80, 000 tons, products are exported to the United States, Germany, Italy, Russia, Brazil, Vietnam, the Middle East and other regions.
Our company has a modern workshop, complete casting production equipment, advanced physical and chemical analysis, testing equipment, constantly importing the world's advanced technology and a large number of professional technical personnel, expanding advanced production and testing equipment, so that make our products can meet the different requirements of customers
Jiangsu Shengrong does our best to provide high-quality foundry machinery parts for the market, Serves domestic and foreign customers with the most cost-effective products, and make our contributing to China's foundry industry.
About Our Factory & Business Background
-
Business Type
- Manufacturer/Factory & Trading Company
- Address
- East Side of Gong 7 Road, Maba Industrial Zone, Huai'an, Jiangsu, China
-
Plant Area
- 72726 square meters
-
Number of Employees
- 160
-
Registered Capital
- 100,000,000 RMB
-
Terms of Payment
- LC, T/T, D/P, PayPal, Western Union, Small-amount payment
-
International Commercial Terms(Incoterms)
- FOB, CIF, CFR, EXW
-
Average Lead Time
- Peak Season Lead Time, one month, Off Season Lead Time, one month
-
Nearest Port
- Shanghai Port
-
Minimum Order Quantity
- 1 Ton
-
Supply Chain Partners
- 6
Our Production Capability & Technical Expertise
- Main Products
- Iron Casting, Steel Casting, Investment Cast Product, Steel Products, Lost Wax Casting, Lost Foam Casting, Metal Part Hardware, Spare Part, Sand Casting, Auto Parts
-
Production Lines
- 14
-
Production Machines
- Core Making Machine, Automatic Core Making Machine, CNC Lathe, Intermediate Frequency Furnace, Molding Production, Casting Production Line, Milling Machine, Sawing Machine
-
Inspection Type for Finished Products
- 100% inspection Visual inspection Function inspection
-
Inspection Method for Finished Products
- Have instructions and uniformly followed
-
Customization Options
- Customization from Samples,Customization from Designs
-
ODM Service Available
- Yes
-
OEM Service Available
- Yes
-
R&D Engineers
- 4 people
-
Traceability of Raw Materials
- Yes
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2020-07-06
-
Export Year
- 2 Years
-
Main Markets
- Europe, Domestic
-
Repeat Buyers Choice
- 80%~100%
-
Number of Foreign Trading Staff
- 4
-
Overseas Agent/Branch
- No
Our Certifications, Standards & Industry Recognition
-
Cooperated with Fortune 500
- No
FAQ
- What materials are available for casting?
- We offer Gray Iron (HT200-350), Ductile Iron (QT400-QT600), and Steel castings.
- Can you customize products based on my drawings?
- Yes, we provide full OEM and ODM services based on customer drawings, designs, or samples.
- What is the lead time for production?
- The average lead time is 35-45 days, with samples taking 30 days after payment.
- What surface treatments do you offer?
- We provide sand blasting, painting, KTL, zinc plating, hot galvanizing, powder coating, and nickel plating.
- What are the casting tolerances?
- Tolerances range from CT8 to CT12 depending on the molding process used.
- Do you have a minimum order quantity?
- There is no minimum order quantity requirement for our casting services.
- What quality control measures do you have?
- We perform 100% inspection including visual, function, tensile, hardness, and metallographic tests.
- What are the payment terms?
- We accept LC, T/T, D/P, PayPal, Western Union, and small-amount payments.
Send your message to this supplier
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