Precision Machined Products
- Wide Material Capability: Carbon steel, stainless steel, duplex and alloy steels, and special alloys available.
- Large Size Range: From 5kg small parts up to 60,000kg pieces, max 6.5m OD and 13m length.
- High Precision Tolerances: Tight dimensional control for critical interfaces and sealing surfaces.
- Complex Geometry Machining: Hidden positions and intricate features can be machined reliably.
- Flexible Order Quantities: Supports multi-variety, small-batch jobs and repeat mass production.
Technical Specifications
| Parameter | Specification |
| Product type | Precision machined forged components |
| Raw material forms | Open-die forgings, rolled rings, bars, billets |
| Weight range | 5 kg – 60,000 kg per piece |
| Max outside diameter | Up to 6,500 mm |
| Max length | Up to 13,000 mm |
| Tolerance level | Tight tolerances according to customer drawing/project spec |
| Available materials | Carbon steel, stainless steel, duplex steel, corrosion-resistant alloys, super alloys, die steel, structural alloy steel |
| Typical processes | CNC turning, milling, drilling, boring, threading, and facing |
| Surface condition | Machined finish, deburred; optional polishing or coating |
| Inspection | Dimensional inspection, material certificates, NDT on request |
| Standards reference | Per customer drawings and applicable industry standards |
| Minimum order quantity | Negotiable, suitable for small batches and prototypes |
Customization Options
- Custom dimensions, weights, and geometries according to drawings.
- Choice of material grades to suit working conditions.
- Machining details: grooves, holes, threads, keyways, slots, and pockets.
- Surface finish options (machined, polished, coated, etc.).
- Heat treatment per requirement (quenching & tempering, normalizing, etc.).
- Flexible batch sizes for prototypes, small lots, or large series.
Applications
- Oil & Gas exploration and production equipment
- Metallurgy and steelmaking machinery
- Heavy industry and large mechanical equipment
- Mining machines and mineral processing systems
- Power generation and energy equipment
- General industrial machinery and custom mechanical assemblies
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.
