“Titanium dished head” is not a complete purchasing description. An ellipsoidal, torispherical, hemispherical or spherical-cap profile has different geometry, forming and code inputs. The buyer must also separate starting plate thickness from minimum finished thickness after forming. Five company-owned pages met the source rule.
How the five company sources were selected
We froze the query titanium pressure vessel head manufacturer elliptical dished head on 1 September 2026. Eligible sources were company-owned formed-head pages that expressly named titanium and exposed a profile, material, forming, thickness, inspection or drawing field. Beiyu, geographies excluded by site policy, marketplaces, directories, bolt/head-name false positives and generic flat-plate pages were removed. The sequence is a dated source set, not a ranking.
A public page can identify a likely supply route. It cannot prove the allocated lot, current schedule, final inspection result or suitability of equipment/material not yet produced or assigned. Those points remain dated quotation fields.
Company pages that met the rule
| Company source | Page role | Visible fields | RFQ check |
|---|---|---|---|
| LTMTi | Titanium elliptical-head page | 2:1 ellipsoidal geometry context; ID/OD, depth, straight flange and starting/minimum formed-thickness order fields | Return the exact code/profile and drawing; keep page guidance separate from design approval |
| Mingsheng Guangpu | Titanium head family page | Elliptical, hemispherical, spherical, torispherical and flat forms plus forming/surface/test fields | Exclude mutable MOQ/lead-time claims and require the offered range and ITP |
| Baoji Fairy Titanium | Grade 2 elliptical-head page | Grade 1/2/7/12, elliptical/torispherical labels, thickness and example geometry fields | Published examples are not a universal forming envelope; reconfirm the drawing |
| Milling Metal | Elliptical/spherical-head page | One-piece or welded plate preparation, forming and penetrant-test route | Return seam map, forming route, minimum thickness and NDE plan |
| Tongmao | Formed-head product family | Titanium elliptical, hemispherical, dished and crown-head categories with drawing/inspection context | A product family is not a titanium-specific size commitment; require the project return |
Some pages use “dished,” “elliptical” and “spherical” as broad catalogue language. The purchase order cannot. A comparable quotation uses the same approved profile drawing, design code/edition, material line, minimum finished thickness, seam/opening map and inspection plan.
Control formed geometry and minimum thickness
| Decision | Choices visible in the source set | Required written return |
|---|---|---|
| Head profile | 2:1 ellipsoidal, torispherical, hemispherical, spherical cap or project shape | Code paragraph or complete crown/knuckle/profile drawing; no name-only substitution |
| Diameter datum | Inside diameter, outside diameter or fit-up datum | Marked reference, overall depth, tangent line and straight-flange dimensions |
| Thickness basis | Starting plate, corrosion allowance and minimum after-forming thickness | Blank thickness, thinning allowance and mapped finished minimum |
| Fabrication route | One-piece or segmented; cold/hot formed; welded before/after forming | Process route, seam/opening map, heat-treatment and edge preparation |
| Acceptance | Profile, ovality, thickness mapping, weld/NDE, surface and fit-up | ITP, methods, criteria, reports and code/data-book responsibility |
The material certificate for starting plate does not prove the finished head’s minimum thickness or profile. Show measurement locations on the inspection drawing and define whether any nozzle, manway, reinforcement, lifting lug or shell weld preparation is included. If the head is fabricated from segments, the seam layout, forming sequence, welding qualification, shielding/cleanliness and NDE must be explicit. State whether the supplier supplies a formed component, a code-stamped part, or a complete vessel-data-book package; those are different responsibility boundaries.
A page conflict is a verification prompt, not a finding that a company cannot supply the item. Preserve the observed conflict, request a clean technical return and make the purchase order control the final identity, geometry, responsibility and acceptance route.
Send one controlled RFQ
| RFQ line | Buyer input | Supplier return |
|---|---|---|
| Design basis | Code/edition, design conditions, profile and approved drawing | Applicable code route, assumptions and exclusions |
| Geometry | ID/OD datum, radii/profile, depth, straight flange, tangent line and fit-up | Signed dimensions, tolerances and forming allowance |
| Material/thickness | Titanium grade/product standard, starting thickness, CA and minimum finished thickness | Heat/lot identity, blank basis and thickness map |
| Fabrication | One-piece/segmented route, seams, openings, forming, heat treatment and bevel | Process plan, WPS/PQR boundary and final edge condition |
| Inspection | Visual, dimensional/profile, thickness, PT/RT/UT and witness points | ITP, acceptance criteria, reports and data-book index |
| Commercial | Quantity, nesting/spares, packing/support, required date and destination | Current schedule, validity, exclusions and transport frame |
Remove any source that cannot return the exact material, deliverable, finished geometry and acceptance evidence. Compare commercial terms only after the technical lines, responsibility boundary and document scope are aligned.
Where Beiyu fits
Beiyu is outside the five-company set. Its titanium-head route asks for exact profile and code, ID/OD basis, material grade/standard, starting and minimum finished thickness, straight flange, seams/openings, forming and heat-treatment route, weld preparation, NDE, dimensional mapping, quantity and data-book scope.
The fields in this section describe only Beiyu’s published enquiry route. They do not score the companies above and do not transfer to another company’s catalogue.
Related Beiyu pages
- Titanium elliptical and spherical heads
- Titanium plate supplier pages compared
- Titanium chemical-equipment fabricator pages compared
- How to compare titanium quotations
Published by Beiyu Titanium. Beiyu is outside the five-company set. The sequence is a dated discovery snapshot after the stated exclusions, not a rating or endorsement.
Related supplier lists and supply ranges
- Titanium Fasteners
- Grade 2 Titanium Flange Suppliers
- Grade 5 Titanium Fastener Suppliers
- Grade 5 Titanium Forged Block Suppliers
- Grade 7 Titanium Strip Suppliers
- On-Site Sodium Hypochlorite Generator Manufacturers
- all supplier lists by product family
Specification detail with sources
Beiyu Titanium publishes this list and is not part of the comparison above. For readers who want the publisher’s own figures on the same basis they would ask of any supplier on this page, the material is specified to ASTM B265, and each order carries an EN 10204 type 3.1 certificate with heat and pour numbers by order scope.
Sheet and thin plate run 0.5 to 3 mm thick in widths to 1500 mm; heavy plate runs 3 to 70 mm thick in widths to 2500 mm; foil and strip run 0.02 to 0.3 mm thick in widths to 600 mm. This item is quoted from the drawing rather than from a fixed size table, so the ordered dimensions, tolerances and acceptance criteria come from the drawing and the purchase order.
These are Beiyu published supply figures, not limits taken from the standard; limit values belong to the standards named above and are confirmed against the exact edition on the purchase order. Certification is stated as a production capability, and no stock position, delivery time or price is implied by any figure on this page.