CNC Machined Flanges
- Complex Geometry Friendly: Ideal for difficult profiles, complex outline shapes, and positions that are hard to see or measure, including shells and box-type parts.
- Multi-Operation Machining: Milling, boring, reaming, cutting, and tapping can be completed in one clamping to ensure accuracy and efficiency.
- Flexible Production Volume: Supports many part varieties, small quantities, new product samples, and high-mix, low-volume orders.
- Reduced Scrap Risk: Stable CNC processes are well-suited for expensive parts that must not be scrapped during machining.
Technical Specifications
| Item | Specification |
| Product Name | CNC Machined Flanges |
| Machining Processes | CNC milling, CNC turning, drilling, boring, reaming, tapping, contour machining, groove and thread cutting |
| Main Applications | Oil & Gas, Metallurgy, Heavy Industry Equipment, Mining |
| Production Basis | Non-standard forging or casting + CNC machining according to customer drawings |
| Size/Weight Range | Approx. 5 kg – 60000 kg per part |
| Maximum Dimensions | Up to 6.5 m maximum outside diameter, up to 13 m length |
| Dimensional Complexity | Suitable for parts difficult to measure and control, including hidden features and internal structures |
| Surface Quality | Capable of achieving small surface roughness values as specified in the drawing |
| Material Range | Carbon Steel, Stainless Steel, Corrosion-Resistant Alloys, Super Alloys, Special Stainless Steel, Die Steel, Structural Alloy Steel |
| Standards/References | Machined according to DIN/GB/ISO/JIS/ANSI or customer-specified standards |
Customization Options
- Machining strictly according to customer drawings, 3D models, or samples.
- Custom grooves, keyways, slots, pockets, and complex profiles.
- Internal and external threads, precision holes, stepped bores, and counterbores.
- One-clamping solutions combining milling, turning, boring, reaming, and tapping.
- Choice of materials: carbon steel, stainless steel, alloy and special steels, corrosion-resistant and super alloys.
- Defined tolerance classes and surface roughness per application requirements.
Applications
- Oil & Gas: valve bodies, tool joints, connection rings, manifolds.
- Metallurgy: mill components, couplings, housings, and fixtures.
- Heavy Industry Equipment: flanges, hubs, gear blanks, and structural and rotating parts.
- Mining: wear parts, mounting rings, support components, and precision adapters.
- General Industrial Machinery: mould parts, machine bases, brackets, precision shells, and box housings.
Raw Materials
We produce and purchase raw materials strictly according to customer requirements, ensuring full compliance with project specifications, mechanical properties, and international standards.
Main steel grades we produce:
Steel Grade | Standards | Classification | Products |
1.4301, 1.4307, 1.4401, 1.4404, 1.4541, 1.4871 | EN 10222-5 | L | Forged flanges and Forged parts |
F304, F304L, F316, F316L, F321, F316T, F310, F904L | ASTM A182 | L | Forged flanges and Forged parts |
F51, F53, F55, F60 | ASTM A182 | L | Forged flanges and Forged parts |
LF2 | ASTM A350 | V | Forged flanges and Forged parts |
F11, F22 | ASTM A182 | V | Forged flanges and Forged parts |
A105 | ASTM A105 | N | Forged flanges and Forged parts |
CNC Machining Capabilities
We operate multiple machining lines and CNC centers engineered to deliver tight tolerances, superior surface finishes, and consistent quality for complex forged components.
Equipments and Quantities | ||
Item No. | Equipments | Quantities |
1 | Ramp CNC lathe | 6 |
2 | Normal lathe | 8 |
3 | Machining center | 4 |
4 | CNC lathe | 10 |
Inspection & Quality Control
To ensure the high quality of non-standard flanges, we are equipped with professional testing and inspection systems:
- 3D Measurement Equipment
- Ultrasonic Cleaning Machine
- Physical & Chemical Testing
- Dimensional Inspection
Packaging for Non-Standard Flanges
We provide protective packaging options according to customer needs:
- Anti-rust treatment
- Plastic film wrapping
- Wooden cases
- Wooden pallets
- Custom packaging available
Why Choose Boberry
Complete In-House Manufacturing
Integrated forging, heat treatment, machining, and inspection ensure stable quality, faster lead times, and full control over every production stage.
European-Market Proven Quality
Long-term supply to Germany, Austria, Switzerland, and Nordic countries demonstrates our ability to meet strict technical standards and customer expectations.
Custom Engineering Support
Tailor-made stainless-steel parts based on your drawings, with trial samples available to validate design, performance, and fit before full-scale production.