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Premium Carbon Steel & Stainless Tubing from China

High-performance industrial tubing solutions for oil & gas, petrochemical, heat exchangers, and chemical processing industries. ISO-certified manufacturing with global export experience since 2003.

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Who We Are

Y&G International Trading Co., Ltd was established in 2003 and has been serving the oil refinery, petrochemical, chemical, heat exchanger, and anti-corrosion engineering industries with high-quality tubing solutions.

With over two decades of experience, we specialize in seamless and welded carbon steel, stainless steel, titanium alloy, copper alloy, and nickel alloy tubes that meet international standards such as ASTM, ASME, GB, and ISO.

  • Established in 2003
  • Global Export Experience
  • Strict Quality Control
  • Custom Sizes & Specifications
Factory Equipment Production Line Titanium Tube Tube Inspection

Our Product Range

We offer a comprehensive range of industrial tubing products meeting international standards. All products are manufactured under strict quality control and available in custom dimensions.

Titanium Alloy Tube

ASTM B338 Titanium Alloy Tube

Seamless, Grade 2, OD 50.8mm, thin wall, high oxidation resistance for oil & gas applications.

Standard: ASTM B338

Type: Seamless

Application: Condensers, Heat Exchangers

Stainless Steel Tubing

Hot Working 316/316L Stainless Tubing

High hardness, 10mm diameter, seamless stainless steel tube for industrial use.

Material: 316, 316L, TP316H

Standard: A213, A269, A312

Type: Seamless

Carbon Steel Finned Tube

Carbon Steel Finned Tube

Aluminum spiral extruded, SA179 composite, for heat transfer applications.

Standard: SA179

Type: Composite Finned

Application: Heat Exchangers, Boilers

Copper Nickel Tubing

Copper Nickel Tubing C71500

25.4 x 2.77mm, high and low pressure boiler tube for marine and industrial systems.

Material: C71500

Standard: ASTM B111

Application: Marine Condensers, Heat Exchangers

A213 Mild Steel Tube

A213/SA213 Mild Steel Tube

Varnish-coated mechanical steel tubing, seamless, for high-temperature applications.

Material: T5, T9, T11, T12, T22, T91

Standard: A213/SA213

Type: Seamless

Cold Drawn Steel Tubing

Cold Drawn Thin Wall Steel Tubing

Precision mild steel pipe with hot/cold finished surface for mechanical applications.

Material: T11, T12, T23, T91, T92

Standard: A213/SA213

Type: Seamless

Duplex Stainless Steel Tubing

SA789 S31803/S32205 Duplex Tubing

Polished stainless steel tubing, 38.1 x 1.65mm, excellent corrosion resistance.

Standard: SA789

Material: S31803 / S32205

Application: Chemical, Oil & Gas

Nickel Alloy Tube

Inconel 825 Nickel Alloy Tube

OD 6-500mm, customized sizes available, for extreme chemical environments.

Material: Inconel 825

Application: Chemical Industry

Type: Seamless/Welded

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Rigorous Quality Control

Every product undergoes comprehensive testing to ensure compliance with international standards and customer specifications.

Tensile Testing
Impact Testing
Bend & Flattening Tests
Hardness & Flaring Tests
Intergranular Corrosion Testing
Non-Destructive Testing (NDT)
Quality Testing Lab Inspection

Why Choose Us?

Trusted by global clients for reliability, quality, and technical expertise.

Certified Quality

ISO standards compliance with full traceability and comprehensive testing documentation.

Global Experience

Over 20 years of exporting to worldwide markets with proven logistics and support.

Custom Solutions

Tailored dimensions, materials, and finishes to meet your exact engineering requirements.

Get In Touch

For quotes, technical specifications, or custom orders, visit our official website to connect with our sales team.

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