Nitronic Pipe Fittings

Metracore Alloys Private Limited manufactures and supplies Nitronic Pipe Fittings to fabricators, EPC contractors and process plants across India and export markets. Our inventory includes nitrogen-strengthened austenitic stainless fittings in Nitronic 30, 40, 50, and 60, such as elbows, tees, reducers, crosses, couplings, caps, and unions, available in various styles like forged, butt-weld, or socket-weld. Nitrogen locked in solid solution lifts yield strength well above 304L and 316L. Nitronic 40, 50, and 60 reach roughly twice the room-temperature yield of 304L. Nitronic 30 sits lower, around 50% above 304L. Strength is only half the reason engineers specify the family. Nitronic 50 resists chloride pitting better than 317L, and Nitronic 60 resists galling where 300-series grades seize. Sizes run from NPS 1/8 to NPS 48, and every consignment carries a heat-traceable material test certificate.

Nitronic Pipe Fittings Grades

Four grades cover our range, each answering a different service condition.

Nitronic 40 (UNS S21900): Known as 21-6-9, pairing 19 to 21.5% chromium with 8 to 10% manganese. Toughness holds at cryogenic temperatures.
Nitronic 50 (UNS S20910, XM-19): Containing 20.5 to 23.5% chromium and 1.5 to 3% molybdenum, this alloy offers better corrosion resistance than 317L and is approved by NACE MR0175 for use in sour environments.
Nitronic 60 (UNS S21800): With about 4% silicon and 8% manganese, it resists galling better than any regular austenitic grade.
Nitronic 30 (UNS S20400): Chromium of 15 to 17% with low nickel suits wear-driven, mildly corrosive duties at a lower cost.

Why Choose Metracore Alloys Private Limited?

Our Nitronic stock is stocked alongside the flanges, forgings, fasteners, and welding consumables we supply, so you can place one order for a complete tie-in package. We source from mills with documented quality systems and verify incoming material for dimensional accuracy. Every dispatch includes a heat-traceable test certificate, with third-party inspection available when required by your specification.

Get the Latest Price

Table of Content

Nitronic Pipe Fittings Specifications

The parameters below cover what procurement teams need at enquiry.

Nitronic Pipe Fittings Types

Ten patterns cover most Nitronic piping work: elbows, tees, reducers, crosses, couplings, caps, unions, forged, butt weld and socket weld.

Reach out to Metracore Alloys Private Limited for Nitronic Pipe Fittings

Technical Details of Nitronic Pipe Fittings

Nitronic Pipe Fittings Standards

No single standard governs every Nitronic fitting. The right reference follows grade, pattern, manufacturing method and the dimensions your piping class calls for.

ASME B16.9: butt-welding fitting dimensions, NPS 1/2 to 48.
ASME B16.11: forged socket weld and threaded fittings, Class 2000 to 9000.
ASTM A403: wrought austenitic stainless piping fittings, XM-19 included.
ASTM A182: forged fittings, where F XM-19 designates Nitronic 50.
ASTM A276: bar stock for machined fittings.
MSS SP-43: lightweight fittings in Schedule 5S and 10S.

Nitronic Pipe Fittings Sizes

Butt-weld Nitronic fittings run from NPS 1/2 to NPS 48, matching DN 15 to DN 1200. Forged patterns cover NPS 1/8 to NPS 4 across Class 2000 to 9000. Wall thickness follows the schedule ordered, from SCH 5S through XXS. Tolerances and pressure ratings follow the standard named on the order.

Nitronic Pipe Fittings Connection Types

Three end preparations cover the piping designs we supply.

Butt Weld: bevelled ends meet under a full-penetration weld. Process headers and abrasive lines use it.
Socket Weld: the pipe seats in a machined recess, sealed by a fillet weld, up to NPS 2.
Threaded: NPT and BSP ends suit low-pressure lines and sites without hot work permits.

Benefits of Nitronic Pipe Fittings

Six properties explain the premium over 316L. The yield strength, which is nearly twice that of 304L, enables thinner walls or greater design pressure. Nitrogen strengthens the matrix without raising carbon, so the risk of sensitisation after welding remains low. Toughness survives sub-zero service. Nitronic 60 removes cobalt hardfacing from sliding parts, while Nitronic 50 outperforms 317L in chlorides. Properties shift across grades, so one won’t answer every duty.

How to Select Nitronic Pipe Fittings?

To choose Nitronic pipe fittings, consider the following pointers:

Select the grade based on the service requirements rather than the price.
Assess the corrosion load: chlorides, acids, and sour gas.
Rate wear and galling exposure at sliding contacts.
Ensure that the pipe size, schedule, bore, and wall thickness are all compatible.
Choose the pattern your isometric calls for.
Verify design pressure and temperature against the class.
Review the process fluid and solids content.
Select butt weld, socket weld or threaded ends.
Name the governing ASTM, ASME, MSS, or EN standard.
State testing and traceability needs upfront.

Manufacturing Process of Nitronic Pipe Fittings

Applications of Nitronic Pipe Fittings

Exporter, Manufacturer & Supplier of Nitronic Pipe Fittings in various materials and sizes.

FAQs

What Are Nitronic Pipe Fittings?

Nitronic pipe fittings are components in nitrogen-strengthened austenitic stainless steel that connect, redirect, branch, reduce or terminate a piping run.

Which Nitronic Grades Do You Supply for Pipe Fittings?

We supply Nitronic 30, 40, 50, and 60. Nitronic 50 moves the highest volume; Nitronic 60 is for galling-prone work.

Why Do Demanding Industries Use Nitronic Fittings?

Demanding plants use them because one alloy answers three problems together: strength, corrosion and wear.

What Types of Nitronic Pipe Fittings Are Available?

Patterns include elbows, tees, reducers, crosses, couplings, caps and unions, and forged, butt weld or socket weld.

Which Standards Apply to Nitronic Pipe Fittings?

ASME B16.9 and B16.11 specify the dimensions, ASTM A403 and A182 cover the material requirements, and MSS SP-43 addresses the light schedules for these materials.

How Do I Select the Right Nitronic Pipe Fitting?

Match the grade to the corrosion and wear duty first, then fix the size, schedule, pressure class, connection and standard.