English
Español
русский
Large Diameter Thin Wall Cold Drawn Welded Tube – Ø100×1mmPrecision Thin-Wall Tubing for Lightweight Structural ApplicationsProduct Specifications
Large Diameter Thin Wall Cold Drawn Welded Tube – Ø100×1mmPrecision Thin-Wall Tubing for Lightweight Structural ApplicationsProduct Specifications
|
Parameter |
Specification |
Tolerance |
|
Outer Diameter (OD) |
100mm (±0.15mm) |
DIN 2393 h9 |
|
Wall Thickness |
1.0mm (±0.05mm) |
DIN 2393 ±5% |
|
Length |
1-7m (custom up to 12m) |
Straightness ≤0.5mm/m |
|
Material Grade |
ST37-2 / ST52-3 / E355 |
EN 10305-2 |
|
Surface Finish |
Smooth (Ra ≤1.2μm) |
Optional polished |
Expanded Size Range & Specifications
|
OD (mm) |
Wall Thickness (mm) |
Standard Length |
Tolerance |
MOQ |
|
50-80 |
0.8-1.5 |
2-7m |
±0.10mm |
200kg |
|
82-120 |
1.0-2.0 |
2-7m |
±0.15mm |
150kg |
|
121-180 |
1.2-3.0 |
2-7m |
±0.20mm |
100kg |
|
182-250 |
1.5-4.0 |
2-6m |
±0.25mm |
50kg |
|
251-299 |
2.0-5.0 |
2-6m |
±0.30mm |
30kg |
Key Notes:
·All sizes available in ST37-2, ST52-3, E355
·Custom lengths up to 12m (straightness ≤1mm/m)
·Special tolerances available (±0.05mm wall, ±0.03mm OD)
Competitive Advantage
|
Parameter |
Our Tube |
Industry Standard |
Seamless Tube |
|
OD Tolerance |
±0.1mm |
±0.30mm |
±0.50mm |
|
Wall Variation |
±2% |
±10% |
±8% |
|
Lead Time |
2-3 weeks |
4-6 weeks |
6-8 weeks |
Key Benefits
·40% Weight Reduction vs. standard wall tubes
·Ready-to-Weld – Clean, oxide-free surface (Sa 2.5)
·Batch Traceability – Full EN 10204 3.1 certification
Packaging Solutions
|
Type |
Capacity |
Special Features |
|
VMI Racks |
200 tubes |
RFID tracking, JIT delivery |
|
Anti-Crush Boxes |
50 tubes |
Humidity-controlled |
|
Eco Packs |
100 tubes |
Recyclable PET straps |
Production Process
1. Material Selection
·Cold-rolled steel strip (EN 10139) with controlled chemistry
·Ultrasonic-cleaned surface (Sa 2.5 standard)
2. Precision Welding
·High-frequency induction welding (400kHz)
·In-line seam annealing for uniform grain structure
3. Cold Drawing
·3-stage drawing process with 18% reduction
·Special mandrel support for thin-wall integrity
4. Quality Control
·100% eddy current testing (EN 10246-1)
·Laser micrometer measurement (±0.02mm)
·Hydrostatic testing (optional, up to 150bar)
Technical Comparison
|
Feature |
Our Ø100×1mm Tube |
Standard CDW Tube |
|
Wall Consistency |
±0.03mm |
±0.10mm |
|
Ovality |
≤0.1% OD |
≤0.3% OD |
|
Yield Strength |
20% higher |
Standard |
|
Surface Roughness |
Ra 0.8-1.2μm |
Ra 1.5-2.5μm |
Key Advantages
·Weight Savings: 30% lighter than conventional tubes
·Precision Fit: Ideal for telescoping assemblies
·Cost Effective: 15-20% cheaper than seamless alternatives
·Ready to Use: No secondary machining required
Typical Applications
·Aerospace components (non-critical structures)
·Medical equipment frames
·Solar panel mounting systems
·Exhibition display architectures
·Robotics arm conduits
Packaging Options
|
Type |
Qty per Bundle |
Protection |
|
Wooden Crate |
50 tubes |
Waterproof wrapping |
|
Steel Strip Pack |
100 tubes |
Edge guards |
|
Custom VMI Rack |
200+ tubes |
RFID tagged |
Contact Our Thin-Wall Specialists:
·[Button] Request Free Sample (2m length)
·[Button] Get MOQ Pricing
Suao is a professional manufacturer of high-precision cold drawn steel tubes, hydraulic tubes, and mechanical structure tubes, integrating R&D, production, inspection, and global sales. We operate two major production facilities covering over 36,000 square meters, with more than 200 employees and an annual output of 50,000+ tons, supplying customers across major industrial markets worldwide. As Suppliers of Large Diameter Thin Wall CDW steel tube Ø100*1, our integrated manufacturing capabilities include cold drawing, heat treatment, straightening, finishing, cutting, chamfering, and surface treatment. These are supported by a full range of advanced equipment for non-destructive testing, chemical analysis, and online dimensional monitoring—ensuring every tube meets stringent quality standards. We invest continuously in automation and smart manufacturing systems to enable flexible, high-mix, low-volume production. Custom Large Diameter Thin Wall CDW steel tube Ø100*1. Our products are widely used in construction machinery, hydraulic systems, automotive parts, wind energy, shipbuilding, railways, and oil & gas sectors. Certified to ISO 9001, ISO 14001, CE, and RoHS standards, Hongli is more than a manufacturer—we are a trusted long-term partner for global industrial clients.
Established In
Employees
Export Country
Annual Production
Pick the wrong tube material for a pneumatic cylinder, and the consequences show up fast—seized seals from corrosion, excessive bore wear from inadequate surface hardness, or a weight penalty that drives up your actuato...
A standard round tube quote can come back in hours. A custom shaped tube quote—oval, hexagonal, D-shaped, or a fully bespoke profile—often takes two to three days, and that's if the drawing is complete. If anything is m...
Pick the wrong surface treatment for your steel tubes and you will find out quickly — rust streaks through a warehouse shipment, coating delamination on a hydraulic assembly, or a seized fastener on a machine that was o...
A hydraulic cylinder tube looks deceptively simple—a steel tube, open at both ends. But the tolerances it must hold, the pressures it must contain, and the surface finish it must maintain place it among the most precise...
