Nonmagnetic Steel Flanges
- Nonmagnetic Steel Construction: Flanges made from high-performance nonmagnetic steel to prevent magnetic interference in sensitive environments.
- Custom Manufacturing: We offer flanges made to your exact specifications, including size, material, and design requirements.
- Superior Strength and Durability: Designed to be extremely strong, this product guarantees dependability and endurance in severe industrial applications.
- High-Precision Manufacturing: CNC-machined for exacting tolerances and superior finish quality.
Technical Specifications
| Specification | Details |
| Material | Nonmagnetic Steel, such as AISI 316L, 304, or equivalent |
| Size Range | Diameter: 50mm to 1200mm, or no more than 80kgs in weight |
| Tolerance | ±0.05 mm |
| Surface Finish | Polished, Passivated, or as per customer requirement |
| Pressure Rating | Available in pressure classes: 150#, 300#, 600#, etc. |
| Standards | ANSI B16.5, DIN, JIS, and customized standards |
| Packaging | Wooden crate or customized packaging |
| Free Samples | 2 free samples for quality check |
Customization Options
- Material Grades: AISI 304, AISI 316, AISI 316L, 904L, or other nonmagnetic alloys upon request.
- Size Specifications: Custom sizes based on customer drawings, with diameters from 50mm to 1200mm.
- Threading Options: Customized thread patterns are available based on project specifications.
- Connection Types: Available with standard flange faces such as flat, raised, or ring-type joint (RTJ) faces.
- Pressure Ratings: Custom flanges are available for different pressure requirements from low-pressure to high-pressure systems.
- End Finish: Options for beveled, plain, or raised face finishes.
Applications
- Oil & Gas Industry: Used in pipelines, pressure vessels, and other critical systems requiring nonmagnetic properties.
- Chemical Processing: Ideal for use in corrosive and nonmagnetic environments in chemical plants.
- Power Generation: Used to ensure operational integrity in boilers, turbines, and other power generation machinery.
- Marine Industry: Employed in naval and offshore platforms where corrosion resistance and nonmagnetic characteristics are critical.
- Food and Pharmaceutical Industries: Prevents magnetic contamination in pharmaceutical production and food processing.
- Electronics and Research: For use in scientific apparatus when reducing magnetic interference is necessary.
- High-tech Manufacturing: Used in precision machinery and equipment where magnetic properties can affect the performance.
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.
