Chemical Processing
🏭 Chemical Pipe Fittings & Flow Control Components
Seamless or welded fittings (elbows, tees, reducers, flanges) per ANSI/DIN standards, ball valve stems, perforated strainer baskets, spiral wound gasket inserts, U-bolts for pipe support
What is Chemical Pipe Fittings & Flow Control Components?
🏭 Chemical Pipe Fittings & Flow Control Components represents a complete system of precision titanium components engineered for Chemical Processing applications. Seamless or welded fittings (elbows, tees, reducers, flanges) per ANSI/DIN standards, ball valve stems, perforated strainer baskets, spiral wound gasket inserts, U-bolts for pipe support The system integrates 6 distinct component types manufactured through 3 specialized processes.
Key manufacturing processes for this system include Hot forming plate rolling for valve component geometry, CNC corrosion allowance with Class 6g gauge, TIG welding Grade 2 with Class 6g gauge, Hydrostatic shell test with Class 6g gauge, Hot forming plate rolling for pipe fitting geometry, each selected and qualified to meet component-specific requirements.
Engineering & Design Principles
Material: Grade 2 (CP-Ti) is the universal standard for chemical pipe fittings due to its excellent corrosion resistance across a wide pH range, good weldability, and moderate cost. Grade 5 for valve stems requ
Form: Seamless tube for standard fittings (elbows, tees) via hot forming. Plate for flange fabrication. Bar stock for valve stems and threaded rods. All fittings must carry full material traceability.
Standards & Material Specifications
Standards: ASTM B363 / ASME SB363 Grade 2, seamless, 100% hydrostatic tested + PMI verified, MTR traceable
Engineering Solution Blueprint
Chemical Reactor Internals & Agitators
Chemical Processing · Pharmaceutical · Energy
1 Part Feature Analysis
Complex weldment assemblies — agitator shafts with impeller blades, baffle plates, dip pipes, sparge rings, distillation column trays, crystallizer scrapers, paddle dryers with ribbon flighting
- ⚠️ General corrosion from process acids (HCl, H2SO4, HNO3)
- ⚠️ Crevice corrosion under gaskets and deposits
- ⚠️ Erosion-corrosion from catalyst particles in slurry
- ⚠️ Galvanic corrosion at bi-metal weld joints
- ⚠️ Thermal cycling fatigue of thin linings
2 Material Selection Rationale
Grade 7 Ti-0.15Pd — Pd modified, strong acid resistant
Grade 7 (Ti-0.15Pd) is the preferred alloy for chemical reactor internals — the Pd addition (0.12-0.25%) shifts the corrosion potential anodically, providing resistance in reducing acid environments where Grade 2 fails. Grade 12 for higher strength in oxidizing media. Grade 5 for agitator shafts under torsion.
3 Form Selection Rationale
Seamless Tube — for fluid systems, heat exchangers
Seamless tube for dip pipes and sparge rings. Plate welding for agitator blades, baffles, and trays. Forged bar for agitator shafts.
4 Manufacturing Process & Services
Core Processes:
Toll Processing Services:
Process Pitfalls:
- ⚠️ Ti weld discoloration (blue/purple) indicates oxidation >250ppm O2 — requires argon back-purge at >20L/min
- ⚠️ Agitator shaft straightness must be <0.5mm/m to prevent bearing overload at operating RPM
5 Procurement Specifications
ASTM B265 Grade 7 / Grade 12, annealed, 100% PT of welds, hydrostatic tested, MTC per EN 10204 3.1
Manufacturing Process Flow
5-axis CNC milling centers provide simultaneous multi-axis interpolation for complex titanium components. The ability to tilt the tool relative to the
Press brake forming of titanium sheet uses CNC-controlled backgauges and variable-radius tooling to produce precision bends. Titanium's high springbac
Thread rolling cold-forms threads by displacing material between two reciprocating or rotary dies, rather than cutting it away. Compressive residual s
Components in This System
| Component | Material |
|---|---|
| Titanium Ball Valve Stem | Grade 2 CP-Ti |
| Titanium Concentric Reducer | Grade 2 CP-Ti |
| Titanium Equal Tee (ASME B16.9) | Grade 2 CP-Ti |
| Titanium Long Radius Elbow (ASME B16.9) | Grade 2 CP-Ti |
| Titanium Stub End (Lap Joint) | Grade 2 CP-Ti |
| Titanium Threaded NPT Nipple | Grade 2 CP-Ti |
Frequently Asked Questions
What titanium grades are used in Chemical Pipe Fittings & Flow Control Components systems?
What manufacturing processes are used for Chemical Pipe Fittings & Flow Control Components?
What quality standards apply to Chemical Pipe Fittings & Flow Control Components components?
What industries use Chemical Pipe Fittings & Flow Control Components?
Can you provide DFM feedback for Chemical Pipe Fittings & Flow Control Components designs?
Engineering Trends
- ▸ Process: Hot forming of seamless tube into elbows/tees
- ▸ Process: CNC machining of flange faces and bolt holes
- ▸ Process: Thread cutting/rolling for NPT connections
Related Manufacturing Capabilities
These specialized processes support Chemical Pipe Fittings & Flow Control Components component manufacturing.
One Metal. One Focus. Infinite Precision.
Founded in 2011 in Baoji's Titanium Valley, BOZE Metal is dedicated exclusively to titanium — from raw material to precision engineering. AS9100D, ISO 13485 & ISO 9001 certified with 500+ clients across Aerospace, Medical & Motorsport industries, we deliver end-to-end precision titanium CNC machining with full material traceability from source to component.
Boze Titanium Manufacturing Center is operated by Baoji Boze Metal Products Co., Ltd.
Certifications verified by NADCAP and compliant with ASTM International titanium standards (B265, B348, B381, F136, F2924) and ISO 13485 medical-device QMS.