Source Monel 400 / Alloy 400 Flange to specification
Build a supplier-comparable enquiry by defining type, nominal size, pressure class, facing, drilling standard, dimensions, heat treatment and marking, material designation, governing standard and edition, quantity, destination, acceptance criteria and required certification.
RFQ definition: type, nominal size, pressure class, facing, drilling standard, dimensions, heat treatment and marking.
Typical family applications: marine, seawater, chemical processing, hydrocarbon and corrosion-resistant engineering. Suitability remains the buyer's engineering decision.
Monel 400 / Alloy 400 Flange sizes and dimensions to specify
Useful enquiry selectors—not an inventory or universal availability claim. Exact manufacturability is confirmed against grade, standard, route, tolerance and quantity.
Common systems include ASME B16.5, ASME B16.47 or an EN / DIN / JIS dimensional standard; the governing edition must be stated.
Range guide: Common RFQ guide: NPS 1/2 to 24 under B16.5 and NPS 26 to 60 under B16.47, where the selected material and manufacturer are capable.
| Type | Weld neck / slip-on / blind / socket weld / threaded / lap joint |
|---|---|
| Facing | RF / FF / RTJ or buyer-specified facing finish |
| Drilling | ASME class or EN PN system; never infer one from nominal size alone |
Common Monel 400 / Alloy 400 Flange size and RFQ examples
Use these as enquiry-format references only. They are not a stock list, dimensional standard substitute or availability promise.
| Nominal size | DN | Rating examples | Facing examples | Example RFQ line |
|---|---|---|---|---|
| 1/2 inch | DN 15 | Class 150 / 300 / 600 | RF / FF / RTJ | Monel 400 / Alloy 400 Flange — 1/2 inch / DN 15 / Class 150 / 300 / 600 / RF / FF / RTJ |
| 1 inch | DN 25 | Class 150 / 300 / 600 | RF / FF / RTJ | Monel 400 / Alloy 400 Flange — 1 inch / DN 25 / Class 150 / 300 / 600 / RF / FF / RTJ |
| 2 inch | DN 50 | Class 150 / 300 / 600 / 900 | RF / FF / RTJ | Monel 400 / Alloy 400 Flange — 2 inch / DN 50 / Class 150 / 300 / 600 / 900 / RF / FF / RTJ |
| 4 inch | DN 100 | Class 150 / 300 / 600 / 900 | RF / FF / RTJ | Monel 400 / Alloy 400 Flange — 4 inch / DN 100 / Class 150 / 300 / 600 / 900 / RF / FF / RTJ |
| 8 inch | DN 200 | Class 150 / 300 / 600 / 900 | RF / FF / RTJ | Monel 400 / Alloy 400 Flange — 8 inch / DN 200 / Class 150 / 300 / 600 / 900 / RF / FF / RTJ |
| 12 inch | DN 300 | Class 150 / 300 / 600 | RF / FF / RTJ | Monel 400 / Alloy 400 Flange — 12 inch / DN 300 / Class 150 / 300 / 600 / RF / FF / RTJ |
| 24 inch | DN 600 | Class 150 / 300 / 600 | RF / FF / RTJ | Monel 400 / Alloy 400 Flange — 24 inch / DN 600 / Class 150 / 300 / 600 / RF / FF / RTJ |
Monel 400 flange RFQ checks
Define flange type, NPS or DN, pressure class, facing, dimensional standard, bore or matching pipe schedule, exact material designation, quantity and required certification.
Inspection should verify dimensions, facing, bolt-circle details, marking and heat / MTC traceability. PMI or other verification should be specified by the buyer when required; India Supply Solutions does not assume an unrequested test scope.
Inspection planning guide · Standards context · Send exact RFQ
How we compare Monel 400 / Alloy 400 Flange manufacturers
Grade designation, heat traceability and required certification are matched to the RFQ.
Route, size range, tolerances, heat treatment and form-specific capability are checked.
Dimensional, visual, PMI / chemistry, mechanical or NDT controls are defined where applicable.
MTC, inspection records, packing and export documents are aligned before dispatch.
No material grade, route, standard or dimension substitution without written buyer approval.
Supplier offers are compared on the same technical basis before commercial selection.
Monel 400 / Alloy 400 Flange sourcing questions
How do I source Monel 400 / Alloy 400 Flange from India?
Send the exact material designation, product standard, type, nominal size, pressure class, facing, drilling standard, dimensions, heat treatment and marking, quantity, destination and required inspection. India Supply Solutions then identifies and compares suitable Indian manufacturers or suppliers.
How do I compare the qualified Monel 400 / Alloy 400 Flange manufacturers in India?
Compare actual capability for the named grade and form, applicable standard, traceability, test documentation, delivery record, inspection readiness and commercial transparency—not only the lowest quoted price.
Can you quote Monel 400 / Alloy 400 Flange price in India?
Yes, after grade, standard, dimensions, quantity, packing and delivery basis are defined. We do not publish a fabricated fixed price for specification-sensitive metal products.
What documents should be requested for Monel 400 / Alloy 400 Flange?
Depending on the requirement, buyers may request MTC / heat traceability, inspection records, PMI or chemistry verification, mechanical tests, NDT and packing / export documents.

