Gnee Steel (Tianjin) Co., Ltd.

About Us

Copper & Titanium Products Manufactured

Copper & Titanium Products Manufactured

We supply a complete range of copper and titanium materials for industrial applications worldwide, including tubes, bars, plates, sheets, wires, and custom-machined components.

Main Grades
C10100, C11000, C12200, C68700, C70600, C71500, Grade 2, Grade 5 and more.

Standards & Certification
Manufactured to ASTM, ASME, EN, JIS, and GB standards with EN 10204 3.1 MTC and third-party inspection available.

Industries Served
Heat Exchangers, HVAC, Marine, Power, Chemical Processing, Oil & Gas, and Industrial Manufacturing.

Copper & Titanium Product Forms

Copper Products 

Copper Tubes & Pipes
Copper Tubes & Pipes
Copper Plates & Sheets
Copper Plates & Sheets
Copper Bars & Rods
Copper Bars & Rods
Copper Strips & Coils
Copper Strips & Coils
Copper Wires
Copper Wires
Product Form Typical Standards Main Grades Available Forms Size Range
Copper Tubes & Pipes ASTM B111, ASTM B75, ASTM B88, ASTM B280, EN 12735, EN 12449 C10100, C10200, C11000, C12000, C12200, C44300, C68700, C70600, C71500 Straight Length, Coil, Pancake Coil, LWC Coil, U-Bend Tube OD: 3–300 mm
WT: 0.3–20 mm
Length: Up to 12 m or custom
Copper Plates & Sheets ASTM B152, ASTM B465, EN 1652 C10100, C11000, C12200, C17200, C26000, C28000 Plate, Sheet, Cut-to-Size Thickness: 0.3–150 mm
Width: Up to 1500 mm
Length: Custom
Copper Bars & Rods ASTM B187, ASTM B16, ASTM B301 C11000, C14500, C17200, C18150, C26000, C36000, C93200, C95400 Round, Flat, Square, Hexagonal Diameter: 3–500 mm
Length: Up to 6 m
Copper Strips & Coils ASTM B152, ASTM B465, EN 1652 C11000, C12200, C26000, C26800, C27200, C28000 Strip, Coil, Slit Coil Thickness: 0.05–5.0 mm
Width: 5–1000 mm
Copper Wires ASTM B3, ASTM B33, ASTM B170 C10100, C10200, C11000 Round Wire, Flat Wire, Tinned Wire Diameter: 0.05–20 mm
Copper Fittings ASME B16.22, ASTM B16, EN 1254 C12200, C36000, CW617N Elbows, Tees, Couplings, Reducers, Adapters, Unions 1/4"–4" (DN6–DN100)

Titanium Products

Titanium Tubes & Pipes
Titanium Tubes & Pipes
Titanium Plates & Sheets
Titanium Plates & Sheets
Titanium Bars & Rods
Titanium Bars & Rods
Titanium Strips & Coils
Titanium Strips & Coils
Titanium Wires
Titanium Wires
Product Form Typical Standards Main Grades Available Forms Size Range
Titanium Tubes & Pipes ASTM B338, ASTM B861, ASTM B862 Grade 1, Grade 2, Grade 5, Grade 7, Grade 9, Grade 12 Seamless Tube, Welded Tube, Straight Length, U-Bend Tube OD: 3–219 mm
WT: 0.3–20 mm
Length: Up to 12 m or custom
Titanium Plates & Sheets ASTM B265 Grade 1, Grade 2, Grade 5, Grade 7, Grade 12 Plate, Sheet, Cut-to-Size Thickness: 0.5–100 mm
Width: Up to 2000 mm
Length: Custom
Titanium Bars & Rods ASTM B348 Grade 1, Grade 2, Grade 5, Grade 7, Grade 12, Grade 23 Round, Square, Flat, Hexagonal Diameter: 3–500 mm
Length: Up to 6 m
Titanium Strips & Coils ASTM B265 Grade 1, Grade 2, Grade 5 Strip, Coil, Slit Coil Thickness: 0.05–5.0 mm
Width: 10–1000 mm
Titanium Wires ASTM B863 Grade 1, Grade 2, Grade 5, Grade 23 Round Wire, Straight Wire, Coil Wire Diameter: 0.1–10 mm
CNC Machined Components Custom Drawing / ASTM Standards Grade 2, Grade 5, Grade 23 Precision CNC Parts, Bushings, Shafts, Sleeves, Flanges, Connectors Manufactured to customer drawings and specifications

 

Applications We Serve

Heat Exchangers1

Heat Exchangers

Typical Components
Heat Exchanger Tubes, Tube Sheets, Condensers

Recommended Materials
C12200, C44300, C68700, C70600, C71500, Grade 2

Product Forms
Tubes • Plates • Bars

HVAC Refrigeration2

HVAC & Refrigeration

Typical Components
Refrigeration Pipes, Air Conditioning Systems, Coils

Recommended Materials
C12200, C12000

Product Forms
Tubes • Coils • Fittings

Marine Shipbuilding3

Marine & Shipbuilding

Typical Components
Seawater Cooling Systems, Condensers, Piping Systems

Recommended Materials
C70600, C71500, C68700, Grade 2, Grade 5

Product Forms
Tubes • Pipes • Plates • Bars

Chemical Processing

Chemical Processing

Typical Components
Reactors, Heat Exchangers, Pressure Vessels, Pipelines

Recommended Materials
Grade 2, Grade 7, Grade 12, C70600

Product Forms
Tubes • Plates • Bars • CNC Parts

Electrical Power5

Electrical & Power

Typical Components
Busbars, Connectors, Switchgear, Transformer Components

Recommended Materials
C10100, C11000, C14500

Product Forms
Busbars • Bars • Plates • Wires

Oil Gas

Oil & Gas

Typical Components
Heat Exchangers, Piping Systems, Valves, Offshore Equipment

Recommended Materials
Grade 2, Grade 5, C70600, C71500

Product Forms
Tubes • Pipes • Bars • CNC Parts

Get Material Recommendation

 

One Supplier for Copper & Titanium Projects

Many industrial projects require both copper and titanium materials across different systems and components. By sourcing from one qualified supplier, you can simplify procurement, maintain consistent quality standards, reduce communication costs, and coordinate production and delivery under a single project schedule.

Discuss Your Manufacturing Requirements

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Manufacturing Capability

Our production facilities support the manufacturing of copper and titanium products with consistent quality, precise dimensions, and reliable performance for industrial applications.

Extrusion Line

Extrusion Line

Manufacturing copper and titanium bars, tubes, and profiles with high dimensional accuracy.

Hot Rolling Mill

Hot Rolling Mill

Producing plates, sheets, and strips with excellent mechanical properties.

Cold Drawing

Cold Drawing Line

Improving dimensional tolerance, surface finish, and mechanical strength for tubes and bars.

Annealing Furnace

 

Providing controlled heat treatment to achieve the required hardness and material performance.

CNC Machining

Precision CNC Machining Center

Manufacturing custom parts according to customer drawings and technical specifications.

Precision Saw Cutting Machine

Automatic Cutting & Straightening

Ensuring accurate length control and consistent product quality.

Surface Polishing

Finishing & Polishing

Delivering clean, smooth, and application-ready product surfaces.

Automatic Packaging Line

Automatic Packaging Line

Protecting products with export-standard packaging for international transportation.

Manufacturing Capabilities

Capability Service
Processing Cutting, Turning, Milling, Drilling, Threading, Bending
Customization OEM & Drawing-Based Manufacturing
Production Small Batch & Bulk Orders
Tolerance Manufactured to ASTM, ASME, EN & Customer Specifications
Materials Copper, Brass, Bronze, CuNi, Titanium & Titanium Alloys

Discuss Your Manufacturing Requirements

 

Quality Assurance

Every batch is inspected against international standards to ensure material consistency, dimensional accuracy, mechanical performance, and full traceability before shipment.

Chemical Composition Analysis
Chemical Composition Analysis
Mechanical Property Testing
Mechanical Property Testing
Dimensional Inspection
Dimensional Inspection
Surface Quality Inspection
Surface Quality Inspection
C11000 Copper Busbars
Inspection Documents
Inspection Item What We Verify
Chemical Composition Verify alloy composition meets ASTM, EN, ASME, JIS, or customer specifications
Mechanical Properties Tensile strength, yield strength, elongation, hardness, and other required properties
Dimensional Inspection Diameter, thickness, width, length, straightness, and machining tolerances
Material Identification PMI verification and heat number traceability for every production batch
Surface Quality Surface finish, defects, cleanliness, and appearance inspection
Inspection Documents EN 10204 3.1 MTC, inspection reports, and third-party certificates available

Full Material Traceability
EN 10204 3.1 Mill Test Certificate
SGS / BV / TÜV Third-Party Inspection
Inspection Reports Available Upon Request

 

Export Packaging

Every order is packed according to product type, transportation method, and destination to ensure safe delivery and protect material quality throughout international shipping.

copper Export Packaging

 

titanium Export Packaging
Packaging Method Suitable For
Wooden Cases Plates, bars, CNC machined parts, and high-value products
Plywood Cases Export shipments requiring fumigation-free packaging
Steel Frame Packaging Heavy plates, large bars, and oversized materials
Protective Film & Plastic Sleeves Sheets, strips, plates, tubes, and polished surfaces
Plastic End Caps Copper and titanium tubes to prevent contamination and damage
Export Pallets & Container Loading Secured with steel straps and waterproof wrapping for ocean transportation

Moisture & Corrosion Protection
Impact & Surface Damage Protection
Seaworthy Export Packaging
Product Identification & Traceable Labels
Custom Packaging Available
OEM Labeling & Marking Support

 

Inventory & Lead Time

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A wide range of copper and titanium materials are available in stock or scheduled for regular production, helping customers reduce procurement time and keep projects on schedule.

Order Type Typical Lead Time
Stock Materials 3–7 Days
Standard Production 15–25 Days
Custom Sizes & CNC Parts 20–35 Days
Large Project Orders Based on Quantity & Specifications

 

Inventory Availability

✔ Copper Tubes, Bars, Plates, Strips & Wires
✔ Titanium Tubes, Bars, Plates, Sheets & Wires
✔ Common ASTM Grades Available
✔ Cut-to-Length Service Available
✔ Mixed Orders of Copper & Titanium Supported
✔ Global Shipping by Sea, Air & Express

Request Delivery Schedule

Customer Visits

We welcome customers, distributors, and engineering teams from around the world to visit our factory, inspect production processes, verify quality control, and discuss project requirements face to face.

Customer Visits

 

Meet Our Team

Our experienced sales engineers, production specialists, quality inspectors, and export logistics team work together to ensure every order is manufactured, inspected, and delivered according to customer requirements.

Our Team

 

FAQ

Can you supply both copper and titanium products in one order?

Yes. We supply a complete range of copper and titanium materials and can consolidate different products into one shipment to simplify procurement and reduce logistics costs.

 

What international standards do your products comply with?

Our products are manufactured according to ASTM, ASME, EN, DIN, JIS, GB, and other customer-required standards depending on the application.

 

Can you provide Mill Test Certificates (MTC)?

Yes. EN 10204 3.1 Mill Test Certificates are available for every shipment, along with inspection reports upon request.

 

Do you support custom sizes and CNC machining?

Yes. We manufacture products according to customer drawings, specifications, and OEM requirements, including precision CNC machining services.

 

Can third-party inspection be arranged before shipment?

Yes. SGS, BV, TÜV, and customer-designated third-party inspections can be arranged before shipment.

 

What is your typical lead time?

Stock materials are generally shipped within 3–7 days, while standard production orders usually require 15–25 days depending on product type and quantity.

 

Which industries do you mainly serve?

Our materials are widely used in heat exchangers, HVAC, marine engineering, power distribution, chemical processing, oil & gas, aerospace, automotive, and industrial manufacturing.

 

Which countries do you export to?

We supply customers in North America, Europe, Southeast Asia, the Middle East, South America, and other global markets with export-ready packaging and international logistics support.

 

Can you help us select the right material for our project?

Yes. Our engineering and sales team can recommend suitable alloys, product forms, standards, and manufacturing solutions based on your application, operating conditions, and project requirements.

Still Have Questions? Contact Our Technical Team

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