Steel Tubes China | Premium Stainless, Carbon & Alloy Steel Tubes Supplier

About TORICH

As a leading steel tube manufacturer in China, TORICH International Limited has been delivering high-performance tubing solutions since 2001. With over two decades of expertise, we specialize in seamless and welded stainless, carbon, and alloy steel tubes for critical industrial applications worldwide.

Our advanced manufacturing facilities in Ningbo, China, are equipped with state-of-the-art rolling, welding, heat treatment, and finishing lines to ensure dimensional accuracy and superior mechanical properties.

TORICH serves industries including automotive, oil & gas, power generation, HVAC, medical devices, and engineering machinery. Our commitment to innovation, quality, and customer satisfaction has earned us a favorable global reputation.

ISO 9001, ISO 14001, and PED Certified
20+ Years of Manufacturing Experience
Exported to 80+ Countries
In-House R&D and Quality Control

Our Products

Comprehensive range of high-precision steel tubes engineered for performance, durability, and reliability across diverse industrial sectors.

Seamless Stainless Steel Tube

Precision cold-drawn tubes in 304, 316, 321, and other grades. Ideal for high-pressure applications.

ASTM A312, TP304L

Welded Stainless Steel Tube

High-frequency welded tubes with excellent surface finish and consistent weld integrity.

AISI 316, 409, 410

Duplex Stainless Steel Pipes

High strength and corrosion resistance. Suitable for offshore and chemical processing.

UNS S31803, S32205

Capillary Stainless Steel Pipe

Ultra-thin wall tubing for instrumentation, medical devices, and precision engineering.

OD: 0.5–6mm, TP304/316

Nickel Alloy Tubes

High-temperature and corrosion-resistant tubing for extreme environments.

Inconel 600, 825, Monel 400

Carbon Steel Tube

Seamless and welded carbon steel tubes for structural and mechanical applications.

ASTM A519, A53

Honed Tube for Hydraulic Cylinder

Precision honed tubes with mirror finish for hydraulic and pneumatic systems.

ST52, CK45, 20MnV6

PVC Coated Stainless Tubing

Corrosion-protected tubing for architectural, marine, and outdoor applications.

304/316 Base + PVC

Stainless Steel Bend Tube

Pre-bent tubing for HVAC, refrigeration, and fluid transport systems.

Custom Radius, 304/316

U Tube Heat Exchanger

Custom U-bend tubes for shell and tube heat exchangers in power and chemical plants.

TP304H, TP347H

Chrome Moly Alloy Steel Tube

High-temperature resistant tubes for boiler and superheater applications.

T11, T22, T91

Titanium Alloy Tube

Lightweight, high-strength, and corrosion-resistant tubing for aerospace and marine use.

Grade 2, Grade 5, ASTM B338

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Industrial Solutions

Tailored steel tube solutions for critical applications across major industries.

Automotive

Precision tubes for fuel systems, exhausts, and structural components.

Engineering Machinery

Durable hydraulic and structural tubing for heavy equipment.

HVAC & Refrigeration

Copper and stainless coils, U-bend, and capillary tubes.

Medical Device

Ultra-clean capillary and precision tubes for diagnostics and implants.

Oil & Gas

Corrosion-resistant alloy and duplex tubes for downhole and pipelines.

Power Generation

Boiler, superheater, and heat exchanger tubing for thermal and nuclear plants.

Strict Quality Control

At TORICH, quality is integrated at every stage – from raw material to final inspection.

Our rigorous quality control system ensures every tube meets international standards including ASTM, ASME, ISO, and GB.

Chemical Analysis: Spectrometer testing for precise alloy composition.
Dimensional Accuracy: Laser gauges and micrometers for tight tolerances.
Non-Destructive Testing: Eddy current, ultrasonic, and hydrostatic testing.
Surface Inspection: Endoscope and visual checks for internal defects.
Heat Treatment: Controlled atmosphere furnaces for optimal mechanical properties.

All processes are documented and traceable, ensuring full compliance and reliability.

Frequently Asked Questions

What materials do you manufacture?

We produce stainless steel (304, 316, duplex), carbon steel, chrome moly, nickel alloys (Inconel, Monel), titanium, and copper alloy tubes.

Do you offer custom sizes and shapes?

Yes, we provide custom OD, wall thickness, length, and special shapes including rectangular, oval, and profiled tubes.

What certifications do you hold?

We are ISO 9001, ISO 14001, and PED (CE) certified. Mill test certificates (EN 10204 3.1/3.2) are provided with every shipment.

What is your minimum order quantity?

MOQ depends on size and material. We accommodate both small trial orders and large-volume contracts.

How do you ensure quality?

Through in-house spectrometers, NDT, hydrostatic testing, dimensional checks, and full traceability from raw material to delivery.

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