China Stainless Steel Tube Mill Manufacturers Suppliers Factory - Customized Service

Machine Layout/Process Flow

Uncoiling → Leveling → Guiding → Forming → Welding → External Weld Seam Grinding → Sizing → Straightening → Cutting → Finished Product Rack.

Process Flow.jpeg

Precision Engineering for Industrial Excellence

Forming section

The forming process involves passing the strip through a series of rollers that gradually bend it into the desired shape. The formed tube is then ready for welding.

Welding Section

The edges of the formed tube are welded using TIG (Tungsten Inert Gas) welding or laser welding to ensure a strong and seamless joint. TIG welding is a popular method for its precision and control, while laser welding offers high speed and minimal heat input.

Grinding section

After welding, the tube undergoes grinding to remove any burrs or imperfections from the weld seam. This process ensures a smooth and even surface finish.

Sizing & Straightening

Tubes are sized to meet dimensional specs and straightened to ensure straightness, then cut to length..

Tube Samples Available

Tube Samples

Technical Specifications

Model number	Horizontal axis diameter	Vertical shaft diameter	Pipe range	Wall thickness	Motor power	Grinding head set	Straightener	Host size (mm)	Pipe making speed
ST40	ϕ40mm	ϕ25mm	ϕ9.5-50.8mm	0.21-3.0mm	7.5kw*2	3*3kw	2PCS	7600*1150	2.0-24
ST50	ϕ50mm	ϕ30mm	ϕ25.4-76mm	0.3-3.5mm	11kw*2	3*3kw	2PCS	9000*1200	0.5-10
ST60	ϕ60mm	ϕ40mm	ϕ50.8-114mm	0.5-4.0mm	15kw*2	3*4kw	2PCS	11000*1500	0.5-8.0
ST80	ϕ80mm	ϕ50mm	ϕ89-159mm	1.0-5.0mm	22kw*2	3*5.5kw	2PCS	12900*2100	0.5-5.0
ST100	ϕ100mm	ϕ70mm	ϕ114-273mm	1.0-6.0mm	30kw*2	3*5.5kw	3PCS	14000*2300	0.4-3.0

Watch Our Stainless Steel Tube Mill in Action

See firsthand how our advanced Stainless Steel Tube Mill delivers unmatched precision and efficiency in pipe manufacturing.

Comprehensive Sales & Service Support

From Factory to Site: Our Tube Mills in Your Workshop

At ST Machineries, we understand that purchasing an advanced stainless steel tube mill is more than an investment—it’s the foundation of your future competitiveness. That’s why we go beyond equipment supply to offer end-to-end “turnkey” support throughout your project lifecycle, ensuring smooth, efficient, and reliable production from day one.

1. Pre-Sale: Expert Consultation & Custom Design

In-Depth Technical Consultation: Our senior engineers work closely with you to understand your product specifications, production capacity, factory layout, and budget—recommending the optimal tube mill model (e.g., ST40, ST50) and delivering a tailored technical proposal.
Customized Solutions: Whether you need a standard configuration or a specialized mill for unique materials or dimensions, we engineer flexible, precision-fit systems aligned with your workflow.

2. Post-Delivery: Seamless Installation & Fast Commissioning

Complete Technical Documentation: Receive full installation drawings, factory layout plans, and 3D models to streamline setup.
Step-by-Step Video Guides: Clear, visual installation tutorials walk your team through every critical phase.
Remote Expert Mentoring: Our engineers provide real-time remote guidance during assembly and commissioning via live video support, resolving issues instantly and accelerating startup.

3. Ongoing Operation: 24/7 Support & Performance Optimization

Global 24/7 Technical Assistance: Our worldwide support network ensures rapid response anytime production is at risk—via phone, email, or remote diagnostics—to minimize downtime.
Comprehensive Operator Training: We train your team on safe operation, routine maintenance, and troubleshooting to maximize uptime and output.
Preventive Maintenance Services: Scheduled inspections, calibration of critical components (e.g., welding heads, straighteners), and wear-part replacement recommendations keep your mill running at peak performance for years.

4. Long-Term Partnership: Continuous Innovation & Reliability

Lifetime Technical Advisory: Even years after delivery, our experts remain available for advice on process improvements, capacity upgrades, or new product development.
Guaranteed Spare Parts Supply: We maintain robust inventories of genuine spare parts for fast delivery worldwide, ensuring your production never halts due to component shortages.

Machine Delivery & On-Site Installation Gallery

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Everything You Should Know about Steel Tubing

Q: What is a stainless steel tube mill?

A: The stainless steel tube mill is a manufacturing facility or production line that processes stainless steel coils or strips into tubes. It involves forming, welding, sizing, cutting, and finishing to produce seamless or welded tubes of various shapes (round, square, rectangular) and sizes.

Q: How does a tube mill work?

Uncoiling: Steel coils are fed into the mill.
Forming: Rollers gradually shape the strip into a tubular form.
Welding: For welded tubes, TIG, laser, or high-frequency welding joins the edges.
Sizing: Additional rollers calibrate the tube to precise dimensions.
Cutting: Tubes are cut to specified lengths.
Finishing: Processes like annealing, polishing, or coating are applied.

Q: What types of tubing are produced?

Welded Tubes: Cost-effective, made by welding a rolled strip.
Seamless Tubes: Produced by extruding or piercing solid billets, ideal for high-pressure applications.

Q: Which stainless steel grades are used?

A: Common grades include 304 (general use), 316 (marine/chemical resistance), 430 (decorative), and duplex steels (high strength).

Q: How is quality controlled?

Testing: Hydrostatic, ultrasonic, eddy current, or visual inspections.
Certifications: ASTM, ISO, EN standards ensure compliance.

Q: What maintenance is required for tube mills?

A: Regular lubrication, alignment checks of rollers, welding equipment calibration, and wear inspection on cutting tools.

Q: How to choose a reliable manufacturer?

A: Evaluate experience, certifications, customer reviews, and ability to customize. Visit facilities if possible.

Q: What are typical lead times?

A: Varies by order complexity and volume—standard sizes may take 4–6 weeks, custom orders longer.

Q: Common production issues?

Weld defects (cracks, porosity): Adjust welding parameters.
Dimensional inaccuracies: Check roller alignment and mill speed.

Q: Safety precautions in mills?

A: Use PPE, machine guarding, proper ventilation, and training on equipment handling.

Q: Role of automation?

A: Automation improves precision, reduces waste, and enhances throughput via CNC controls and real-time monitoring.

Stainless Steel Tubing Manufacturer

From Coil to Tube – Seamless Pipe Making Process

Tailored Tube Production Systems – Built for Your Application