Hot Galvanized Railing Fittings 40 to 70 Elbow Key Pipe Clamp Fittings
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Product Highlights
- Customized Material Options: Available in Malleable Iron, Ductile Iron, Die Casting Aluminum, or other customized materials.
- Customized Surface Treatment: Options include Raw Black, Hot-dip Galvanized, Powder-coat, Double Coating, or custom finishes.
- Customized Tube Sizes: Available in standard sizes (26.9mm to 60.3mm) or fully customized dimensions.
- Comprehensive Certifications: Certified by TUV, CE, GB, ISO9001, or customized certificates based on requirements.
- Long-term Surface Durability: Hot-dip galvanized coating maintains surface integrity for 30-50 years.
- High Tensile Strength: Material tensile strength exceeds 350MPa with elongation of at least 10%.
- Weld-Free Installation: No welding required, eliminating the need for hot work permits during installation.
- Cost-Effective Labor: Installation requires only low-skilled workers, significantly reducing labor costs.
Product Attributes
- Customization
- Available
- Standard
- ASTM A197;ASTM A153
- Material
- Malleable Iron/Ductile Iron
- Model NO.
- HM-Key Clamp
- Connection
- Male/Female
- Surface Treatment
- Black,Hot DIP Galv, Double ,Coating
- Cert
- TUV, ISO, CE
- Technic
- Casting
- Screw Material
- Stainless Steel
- Standard Surface
- Black,Hot DIP Galv, Double ,Coating
- Surface Maintain Time
- 30-50 Year for HDG
- Tensile Strength
- >= 350MPa
- Elongation
- >= 10%
- Hardness
- Hb<=150
- Application
- Safety Guardrails
- Installation Advantage 1
- No Welding, So No Hot Permits Required
- Installation Advantage 2
- Cost Effective, Only Low Skilled Workers Required
- Transport Package
- Put in Box Then on Pallet
- Specification
- T-E(21.3-60.3mm)
- Trademark
- HULK&OEM
- Origin
- China
- Production Capacity
- 500000/Month
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.
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Product Description

| Material | Malleable Iron / Ductile Iron/ Die Casting Aluminum / Customized | ||
| Surface Treatment | Raw Black / Hot-dip Galvanized / Powder-coat / Double Coating / Customized | ||
| Type | Tube Size | ||
| Unit | mm | inches | |
| A | 26.9 | 3/4'' | |
| B | 33.7 | 1'' | |
| C | 42.4 | 1 1/4'' | |
| D | 48.3 | 1 1/2'' | |
| E | 60.3 | 2'' | |
| T | 21.3 | 1/2'' | |
| Other | Customized | ||
| Certificate | TUV / CE / GB / ISO9001 / Customized | ||
| Content & Data | 1. Chemical composition; 2. Mechanical properties; 3. Metallographic inspection; 4. Inspection of appearance, size, shape and position tolerance; 5. Surface roughness; | ||
| Packing | Freight consulting / Quality inspection / After-sales / Other value-added services. | ||
| Delivery Method | Sea / Air / Land | ||
| Quality Assurance | Life Long | ||

HULK Metal uses advanced forging technology to meet these stringent requirements. Our forging services include blanking,electromagnetic induction heating, hot die forging, trimming, grinding, CNC machining, heat treatment and surface treatment. Each
step is completed by experienced technicians using precision equipment, and each batch of goods can have super high consistency and each batch of goods can meet the use of heavy loads or complex conditions.
HULK Metal have formed a service team including technology, raw material procurement, production, quality inspection, packaging, transportation and after-sales service. We strictly implement ISO 9001 quality management and have provided sand casting, investment casting, die casting, and lost foam casting services for hundreds of customers in more than 100 countries and regions around the world using materials such as cast iron, ductile iron, gray iron, stainless steel, carbon steel and aluminum.
CNC machining centers, which use turning, milling, drilling, reaming, planing, grinding, drilling and other processes to further process the shape and surface accuracy of forged and cast metal parts to obtain higher precision parts.CNC machining services can reduce the tolerance of metal parts to the lowest possible level.
Our metal fabrication services include laser cutting, blanking, CNC punching, deep drawing, stamping, bending, welding, surface treatment, and mechanical assembly. All processes are carried out under strict quality control standards. We process stainless
steel, mild steel, aluminum, galvanized sheet, copper, and other alloy metals. Materials are carefully selected based on strength,corrosion resistance, and performance.


You can enjoy professional freight consulting services from us. Our freight consulting center provides you with freight consulting services based on the "C-Q-T" standard. We recommend a more convenient transportation method according to your city to ensure that you can receive goods more conveniently. And we also provide you with complete customs clearance information to help you clear customs more quickly. We will regularly push the dynamics of the cargo transportation for you to help you understand the product's navigation route on the ship, arrival location, etc.

Q1: Are you a trading company or factory?
A1: HULK Metal is a comprehensive enterprise that not only has its own factory but also partner factories of the same standard as ours. It also has a complete supply chain, which can provide you with more comprehensive services.
Q2: Is it possible to know how are my products going on without visiting your company?
A2: Yes, it is. After the cooperation is reached, we will plan a perfect production solution for you. The Quality inspection team will track the production process and give regular feedback on the production progress to you. Our factory will also provide pictures and videos at any time. We can also let you see the real status of the order production through video calls.
Q3: What if I am not completely satisfied with the parts I received?
A3: For small parts, HULK Metal offers pre-production and sample delivery services. You can perform various tests on samples. We will start mass production when you are satisfied. If the goods you received have any quality problems. We will take the corresponding responsibility and negotiate with you to solve the problem. For large parts, HULK Metal recommends that you purchase a single piece for trial and then decide whether to continue the order.
Q4: How do you ensure the quality of my parts?
A4: First, HULK Metal will provide a sample delivery service. You can test the properties of your samples. We will mass-produce the order after you are satisfied. Secondly, the quality inspection team will track the production of the order and provide feedback on the inspection data. You can also participate in on-site inspections via video calls. Thirdly, we will conduct a pre-shipment inspection to ensure that the product quality can meet your requirements.Finally, we have quality assurance services, any quality problems will be properly resolved.
Q5: If I order a big quantity, can you give me a good price?
A5: Yes, why not? We will give profits to every customer who sincerely cooperates with HULK Metal. You can send us drawings and requirements and quantities etc. Our technical team will communicate with you and clarify more cooperation details and finally give you a more suitable production solution and a better quotation.
About the Supplier
This supplier has been audited by TÜV Rheinland. Verify the report on the official TÜV Rheinland website with ID "MIC-ASR255025". Items marked "" are certified.
Company Profile
Qingdao Hulk Metal Technology Co., Ltd. is one of the biggest manufacturers and exporters of OEM parts and construction hardware products in China. We have more than 16 years of experience in integrating R&D, production and service in the fabrication services industry.
We specialize in many kinds of OEM parts such as: Casting parts (sand casting parts, investment (lost wax casting) casting parts, die casting parts) and forging parts, CNC machining parts, etc. We can also provide you with aluminum die casting parts, aluminum profile machining, aluminum panel, structural pipe fitting, glass railing accessories, precast lifting anchors, precast lifting sockets, precast spread anchors, concrete lifting insert & fixing insert, pipe coupling & hose clamps, heat sink, auto parts and other kinds of casting and forging machinery parts according to samples or drawings from customers.
All our factories are certified to the international ISO9001 quality system standard and all products are carefully tested to meet the strict quality requirements and industry standards prior to each shipment. Parts of our products have been tested, listed, and approved by some predominant labs and bodies. In order to enhance our accountability for the environment, the environmental management system to ISO14001 has been assessed and registered by BVQI (France).
Our products have been widely used in dozens of industries including the railway precast concrete parts industry, expressway concrete precast parts industry, building construction industry, guardrail construction industry, etc., covering more than 100 countries and regions.
HULK has become a partner of ten thousand companies all over the world with its high-quality products and perfect after-sales service and has won their unanimous praise.
We will keep striving for excellent product quality and common development with customers and would like to create a bright future with worldwide friends. Any information, samples and drawings which you can provide will facilitate us to make the correct supply to meet your special requirements. Welcome to contact us and start win-win cooperation.
About Our Factory & Business Background
- Address
- Room 901, Block a, Chuangzhi Center, Chunyang Road, Qingdao, Shandong, China
- Terms of Payment
- LC, T/T, D/P, PayPal, Western Union, Small-amount payment, Money Gram
- International Commercial Terms(Incoterms)
- FOB, EXW, CFR, CIF, DAT, FAS, DDP, DAP, CIP, CPT, Others, FCA
- Average Lead Time
-
Peak Season Lead Time: 1-3 months
Off Season Lead Time: one month - Nearest Port
- Qingdao, Shanghai, Nningbo
Our Production Capability & Technical Expertise
Our Industry Experience & Global Business Record
- Export Year
- 2002-11-01
- Main Markets
- North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
FAQ
- who are we?
- We are based in Shandong, China, start from 2021,sell to North America(38.00%),Western Europe(32.00%),Oceania(12.00%),Southeast Asia(10.00%),Mid East(5.00%),Eastern Asia(3.00%). There are total about 101-200 people in our office.
- What about HULK Metal's quality control?
- The engineers of HULK Metal's quality inspection team have more than 10 years of experience and have provided quality inspection services for thousands of customers. After you place an order, we will start to follow up the whole process of the production of the order, and conduct a comprehensive inspection of the raw materials, semi-finished products, and finished products of the products. We also conduct pre-shipment inspections. In addition, we support SGS and other inspection services.
- what can you buy from us?
- Sheet Metal Fabrication Parts, Casting Parts, Forging Parts, CNC Machining Parts, Precast Concrete Accessories, Structural Pipe Fittings
- why should you buy from us not from other suppliers?
- 1.16+ years of experience in the fabrication service industry. 2.Our factories are certified by international ISO9001 quality system standard. 3.Our products have been exported to 100+ countries and regions. 4.Excellent quality with competitive price.
- How can i get the quotation?
- For the related products of guardrail and handrail systems, you need to provide the corresponding model and quantity. For the related products of concrete precast accessories, you need to provide the corresponding product name, parameters, and quantity. For OEM products, you need to provide the corresponding drawings, if you have special requirements, you can also put them forward.
- What kind of packing can HULK Metal provide?
- HULK Metal can provide custom packaging services according to your requirements. We have advanced packaging lines, which can provide paper packaging, plastic packaging, wooden packaging, shock-resistant packaging, anti-bump packaging, and other packaging methods. We also provide packaging box customization and printing services.
- Can HULK Metal provide after-sales services?
- Yes, we can. HULK Metal has an experienced after-sales service center, which can provide you with professional technical consulting services, dynamic tracking services of goods, quality assurance services, and so on. You will have an easier purchasing experience with HULK Metal.
- What is your terms of payment?
- T/T, L/C, Escrow, western union, Moneygram, etc. Which payment method can choose, you can communicate with our commercial manager.
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