Illustrative precision-machined alloy blind flange for raised-face and ring-joint specification review

Alloy flanges and fittings

Inconel 601 Flanges Manufacturer & Exporter

Name: Inconel 601 Flanges
Brand: Raymond Tube Industries

This Inconel 601 / UNS N06601 flange page is built around a critical procurement distinction: the material-product route must be approved for the actual forged or machined configuration rather than copied from another Inconel grade. Send the flange form, dimensions, class, facing, bore, drawing, thermal environment, source material standard, inspection, documents, quantity, and destination for review.

Technical snapshot

Key details for your specification.

Material identity

Inconel 601 / UNS N06601 nickel-chromium alloy with aluminum addition

Material standard

Project-approved N06601 flange route; do not assume ASTM B564 applicability

Product definition

Drawing and dimensional basis matched to flange form, class, facing, and bore

Inspection

Source-material evidence, MTC, heat traceability, dimensions, and purchaser release

Controlled size architecture

Flange size and configuration matrix

NPS 1/2 through NPS 24 under ASME B16.5. Standard dimensions are shown for specification planning; availability, manufacturing route, and delivery are confirmed against the final RFQ specification.

Final RFQ confirmation

Class / schedule scope

Classes 150, 300, 400, 600, 900 and 1500. Class 2500 requires the applicable NPS and current governing table to be checked.

Facing / end scope

RF / RTJ as applicable

ASME B16.5 flanges nominal size and configuration guide
Nominal size	DN	Product	Standard	RFQ review
1/2"	DN 15	Flange	ASME B16.5	Final RFQ
3/4"	DN 20	Flange	ASME B16.5	Final RFQ
1"	DN 25	Flange	ASME B16.5	Final RFQ
1-1/4"	DN 32	Flange	ASME B16.5	Final RFQ
1-1/2"	DN 40	Flange	ASME B16.5	Final RFQ
2"	DN 50	Flange	ASME B16.5	Final RFQ
2-1/2"	DN 65	Flange	ASME B16.5	Final RFQ
3"	DN 80	Flange	ASME B16.5	Final RFQ
4"	DN 100	Flange	ASME B16.5	Final RFQ
5"	DN 125	Flange	ASME B16.5	Final RFQ
6"	DN 150	Flange	ASME B16.5	Final RFQ
8"	DN 200	Flange	ASME B16.5	Final RFQ
10"	DN 250	Flange	ASME B16.5	Final RFQ
12"	DN 300	Flange	ASME B16.5	Final RFQ
14"	DN 350	Flange	ASME B16.5	Final RFQ
16"	DN 400	Flange	ASME B16.5	Final RFQ
18"	DN 450	Flange	ASME B16.5	Final RFQ
20"	DN 500	Flange	ASME B16.5	Final RFQ
22"	DN 550	Flange	ASME B16.5	Final RFQ
24"	DN 600	Flange	ASME B16.5	Final RFQ

This table records nominal standard scope, not a promise that every type, class, facing, bore, or material combination is available.

Use the RFQ selector to state product form, NPS / DN, class or schedule, facing or end connection, testing, and documents for review.

Controlled size architecture

Flange size and configuration matrix

NPS 26 through NPS 60 under ASME B16.47. Standard dimensions are shown for specification planning; availability, manufacturing route, and delivery are confirmed against the final RFQ specification.

Final RFQ confirmation

Class / schedule scope

Series and class require technical review

Facing / end scope

Facing / drawing review

ASME B16.47 large-diameter flanges nominal size and configuration guide
Nominal size	DN	Product	Standard	RFQ review
26"	DN 650	Large-diameter flange	ASME B16.47	Final RFQ
28"	DN 700	Large-diameter flange	ASME B16.47	Final RFQ
30"	DN 750	Large-diameter flange	ASME B16.47	Final RFQ
32"	DN 800	Large-diameter flange	ASME B16.47	Final RFQ
34"	DN 850	Large-diameter flange	ASME B16.47	Final RFQ
36"	DN 900	Large-diameter flange	ASME B16.47	Final RFQ
38"	DN 950	Large-diameter flange	ASME B16.47	Final RFQ
40"	DN 1000	Large-diameter flange	ASME B16.47	Final RFQ
42"	DN 1050	Large-diameter flange	ASME B16.47	Final RFQ
44"	DN 1100	Large-diameter flange	ASME B16.47	Final RFQ
46"	DN 1150	Large-diameter flange	ASME B16.47	Final RFQ
48"	DN 1200	Large-diameter flange	ASME B16.47	Final RFQ
50"	DN 1250	Large-diameter flange	ASME B16.47	Final RFQ
52"	DN 1300	Large-diameter flange	ASME B16.47	Final RFQ
54"	DN 1350	Large-diameter flange	ASME B16.47	Final RFQ
56"	DN 1400	Large-diameter flange	ASME B16.47	Final RFQ
58"	DN 1450	Large-diameter flange	ASME B16.47	Final RFQ
60"	DN 1500	Large-diameter flange	ASME B16.47	Final RFQ

RTI large-diameter availability is not published. Use the technical quotation flow with the current dimensional standard and drawing.

Use the RFQ selector to state product form, NPS / DN, class or schedule, facing or end connection, testing, and documents for review.

Controlled size selector

Configure this alloy requirement.

Use the controlled NPS / DN conversion, then pass size, class or schedule, facing or end connection, and quantity to the RFQ.

Final RFQ confirmation

MaterialProductProduct typeSizePressure classSchedule / boreFacingQuantity

Selected requirement

Inconel 601 | Weld Neck Flange | 6" / DN 150 | Class 600 | RTJ

ASME B16.5. Availability, manufacturing route, and delivery are confirmed against the final RFQ specification.

View technical details Request Technical Quotation

Engineering discussion

Context before component selection.

N06601 has its own alloy and product-form logic

Inconel 601 is a nickel-chromium alloy with an aluminum addition and is commonly considered where oxidation and other high-temperature corrosion mechanisms matter. That material profile does not mean every piping flange standard automatically includes N06601; product-form eligibility must be checked separately.

Do not assign ASTM B564 by analogy

The current ASTM B564 forging scope lists several nickel alloys but not UNS N06601. A compliant enquiry should therefore name the approved source material, forging or machining route, heat treatment, mechanical and NDE acceptance, dimensions, and engineering approval rather than displaying B564 as an unsupported default.

Oxidation language still needs an operating envelope

Furnace atmosphere, contaminants, temperature cycle, pressure, joint loading, thermal expansion, bolting, and gasket selection affect the flange assembly. Share design and upset conditions so the offer remains tied to the project instead of making a broad maximum-temperature promise.

Standards and release

Define the basis, then document it.

Material-product route

Current ASTM B564 scope does not list UNS N06601. The purchaser, engineer, and manufacturer must agree the applicable source-material, manufacturing, testing, and acceptance route for the flange.

ASME or drawing dimensions

A dimensional standard can define flange geometry but does not create a material specification. State form, size, class, facing, bore, tolerances, and approved drawing independently.

Documented approval

Record material-source standard, manufacturing route, heat treatment, testing, marking, concession or approval references, and release documentation before order placement.

Applications and next steps

Connect the requirement to the right workflow.

Industrial furnace connection reviews

Heat-treatment equipment piping interfaces

Petrochemical thermal-process enquiries

Oxidizing high-temperature environment assessments

Nickel Alloy Flanges overviewReview the authoritative nickel alloy flanges product-family route.ASME B16.5 Flange GuideSeparate dimensional controls from the material specification.High-Temperature ApplicationsPrepare thermal, pressure, atmosphere, and inspection inputs.Request Technical QuotationSend the N06601 drawing and approved material route.

Buyer questions

Frequently asked questions.

Is UNS N06601 listed in the current ASTM B564 forging scope?

No. The current published B564 scope does not list N06601, so the material-product and acceptance route must be agreed specifically for the flange requirement.

Can ASME B16.5 alone define an Inconel 601 flange?

No. B16.5 provides flange dimensional and rating controls; the approved material-product route and acceptance criteria must be defined separately.

What should a buyer send for an N06601 flange quotation?

Send drawing or dimensional standard, form, size, class, facing, bore, source-material requirement, thermal environment, tests, documents, quantity, and destination.

How should a non-default material route be documented?

Record the approved source standard, manufacturing and heat-treatment route, tests, traceability, MTC format, marking, deviations, inspection hold points, and final acceptance reference.

Technical quotation

Turn this guidance into a controlled request.

Capture the material, product form, dimensions, standard, inspection, documentation, packing, and destination requirements for review.

Submit Technical RFQ Email Export Desk

Inconel 601 Flanges Manufacturer & Exporter

Key details for your specification.

Flange size and configuration matrix

Flange size and configuration matrix

Configure this alloy requirement.

Context before component selection.

N06601 has its own alloy and product-form logic

Do not assign ASTM B564 by analogy

Oxidation language still needs an operating envelope

Define the basis, then document it.

Material-product route

ASME or drawing dimensions

Documented approval

Connect the requirement to the right workflow.

Frequently asked questions.

Turn this guidance into a controlled request.

Have a Technical Requirement?