150# 300# Titanium Weld Neck Flange 3 5 Inch
150# 300# Titanium Weld Neck Flange 3 5 Inch
This titanium weld neck flange is produced to ASTM B381 / ASME SB381 for chemical industry service, in 3 inch and 5 inch sizes within a range from 1/2 inch to 30 inch NB (NPS 1/2-NPS 24, DN10-DN2000). It is forged and then CNC machined with a working temperature range of -60 C to 250 C, and is supplied in Gr1, Gr2, Gr4, Gr5 and Gr7 with a flat face, raised face or ring type joint face.
Technical Specifications
| Standard Specification | ASTM B381 / ASME SB381 |
| Standard | ANSI, ASME, BS, DIN, EN flanges |
| Size | 3 inch, 5 inch; 1/2 inch - 30 inch NB (DN10 - DN2000) |
| Class/Pressure | 150#, 300#, 600#, 900#, 1500#, 2500#, PN6 - PN64 |
| Flange Face Type | Flat face (FF), raised face (RF), ring type joint (RTJ) |
| Grade | Titanium Gr1, Gr2, Gr4, Gr5, Gr7 |
| Processing method | Forging, then CNC machining |
| Working temp | -60 C to 250 C |
| Application | Chemical industry |
Available Dimensions (mm)
| OD | ID | Height |
|---|---|---|
| 200 - 400 | 100 - 300 | 35 - 120 |
| 400 - 700 | 150 - 500 | 40 - 160 |
| 700 - 900 | 300 - 700 | 50 - 480 |
| 900 - 1300 | 400 - 900 | 70 - 250 |
Applications & Titanium Advantages
This titanium weld neck flange is used in the chemical industry for pipe, valve and equipment connections. Titanium flanges offer excellent corrosion resistance, good strength and stable performance at both low and high temperature, so the joint stays leak-free and reliable in demanding service. Standard types include slip-on, weld neck, threaded, plain, blind, lap joint, socket welding and large-diameter flanges.
Quality, Customization & Inquiry
LHTi produces these flanges under ISO 9001:2015, TUV, SGS and BV quality control, with third-party inspection reports and original mill sheet test reports to EN 10204 3.1 available. Strict quality tests cover surface, chemical composition, mechanical property, heat treatment, dimensions and finish. Custom and specified sizes are welcome, packed in a plywood box with soft foam. Please send your drawing or specification for a quotation.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.