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Duplex & Super Duplex Stainless Steel / Flanges

Source Duplex S31500 / 3RE60 Flange from India

India Supply Solutions sources Duplex S31500 / 3RE60 Flange from qualified Indian manufacturers against the buyer's exact grade, standard, dimensions, quantity and inspection plan. We are the procurement partner — not the mill or manufacturer. Ready-stock sourcing is checked through our Indian stockist and manufacturer network; exact make, heat / MTC, dimensions, quantity and dispatch status are confirmed per RFQ.

1.4424 • UNS S31500
Duplex S31500 / 3RE60 Flange technical sourcing referenceGrade + form + specification
Technical sourcing brief

Source Duplex S31500 / 3RE60 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: oil and gas, desalination, marine, chemical processing, pulp and paper and chloride-bearing environments. Suitability remains the buyer's engineering decision.

GradeDuplex S31500
Material designationDuplex S31500 / 3RE60
Product formFlange
UNS / aliasS31500
Size-wise RFQ guide

Duplex S31500 / 3RE60 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.

Standards context

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.

NPS 1/2NPS 1NPS 2NPS 4NPS 6NPS 8NPS 12NPS 16NPS 24NPS 36NPS 48NPS 60Class 150Class 300Class 600Class 900Class 1500Class 2500
TypeWeld neck / slip-on / blind / socket weld / threaded / lap joint
FacingRF / FF / RTJ or buyer-specified facing finish
DrillingASME class or EN PN system; never infer one from nominal size alone
Crawlable exact-size reference

Common Duplex S31500 / 3RE60 Flange size and RFQ examples

Use these as enquiry-format references only. They are not a stock list, dimensional standard substitute or availability promise.

Duplex S31500 / 3RE60 Flange common size references — final dimensions follow the named standard and supplier capability.
Nominal sizeDNRating examplesFacing examplesExample RFQ line
1/2 inchDN 15Class 150 / 300 / 600RF / FF / RTJDuplex S31500 / 3RE60 Flange — 1/2 inch / DN 15 / Class 150 / 300 / 600 / RF / FF / RTJ
1 inchDN 25Class 150 / 300 / 600RF / FF / RTJDuplex S31500 / 3RE60 Flange — 1 inch / DN 25 / Class 150 / 300 / 600 / RF / FF / RTJ
2 inchDN 50Class 150 / 300 / 600 / 900RF / FF / RTJDuplex S31500 / 3RE60 Flange — 2 inch / DN 50 / Class 150 / 300 / 600 / 900 / RF / FF / RTJ
4 inchDN 100Class 150 / 300 / 600 / 900RF / FF / RTJDuplex S31500 / 3RE60 Flange — 4 inch / DN 100 / Class 150 / 300 / 600 / 900 / RF / FF / RTJ
8 inchDN 200Class 150 / 300 / 600 / 900RF / FF / RTJDuplex S31500 / 3RE60 Flange — 8 inch / DN 200 / Class 150 / 300 / 600 / 900 / RF / FF / RTJ
12 inchDN 300Class 150 / 300 / 600RF / FF / RTJDuplex S31500 / 3RE60 Flange — 12 inch / DN 300 / Class 150 / 300 / 600 / RF / FF / RTJ
24 inchDN 600Class 150 / 300 / 600RF / FF / RTJDuplex S31500 / 3RE60 Flange — 24 inch / DN 600 / Class 150 / 300 / 600 / RF / FF / RTJ
RFQ rule: Nominal size alone is never enough. State the governing standard and edition, exact dimensions, tolerance, manufacturing route, supply condition, quantity, destination and inspection / certification requirements.
Supplier qualification

How we compare Duplex S31500 / 3RE60 Flange manufacturers

1. Material identity

Grade designation, heat traceability and required certification are matched to the RFQ.

2. Manufacturing capability

Route, size range, tolerances, heat treatment and form-specific capability are checked.

3. Inspection

Dimensional, visual, PMI / chemistry, mechanical or NDT controls are defined where applicable.

4. Documentation

MTC, inspection records, packing and export documents are aligned before dispatch.

5. No substitution

No material grade, route, standard or dimension substitution without written buyer approval.

6. Transparent commercial comparison

Supplier offers are compared on the same technical basis before commercial selection.

Frequently asked

Duplex S31500 / 3RE60 Flange sourcing questions

How do I source Duplex S31500 / 3RE60 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 Duplex S31500 / 3RE60 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 Duplex S31500 / 3RE60 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 Duplex S31500 / 3RE60 Flange?

Depending on the requirement, buyers may request MTC / heat traceability, inspection records, PMI or chemistry verification, mechanical tests, NDT and packing / export documents.

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Contact Person
Mr. Chandan Dhari Prasad
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