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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.
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