Inconel 625 Pipe Fittings Supplier and Exporter in India
Kalpataru Piping Solution offers to supply Inconel 625 pipe fitting (UNS N06625) s which cater to a variety of industries like marine, offshore, aerospace, and chemical industry where chloride water from sea has significant properties that make it problematic to deal with due to the properties of alloys. Inconel 625 has molybdenum and niobium added to its nickel-chromium base which helps maintain high strength and resistance to corrosion.
The temperature range goes from cryogenic up until roughly 1350 degrees Celsius without the need to treat the fittings for age-hardening. Among the products we have we find elbows, tees, reducers, crosses, caps and stub ends which may or may not create seamless or welded butt weld. Furthermore we manufacture forged socket weld and threaded fittings which provide resistance to high pressure. All products follow ASTM B366, ASME B16.9, ASME B16.28 and MSS-SP-43 standards.
Additionally, the materials produced or offered by us meet NACE MR0175 and NORSOK certification in case such a requirement comes up. All the deliveries include certificates as per EN 10204 3.1/3.2. Based in Mumbai we have managed to acquire and store inventory throughout various areas of business and industry with which we have delivered various products. Please see a number of details
- What Are Inconel 625 Pipe Fittings?
- Inconel 625 Fittings Technical Specifications
- Inconel 625 Fittings Equivalent Grades & Chemical Composition
- Inconel 625 Fittings Mechanical & Physical Properties
- Dimensions & Weight Reference
- Types of Inconel 625 Fittings We Supply
- Inconel 625 Fittings Applications & Industries Served
- Manufacturing Process & Quality Control
- Certifications & Standards Compliance
- HS Code Reference
- Packaging & Worldwide Delivery
- FAQs About Inconel 625 Pipe Fittings
What Are Inconel 625 Pipe Fittings?
Inconel 625 pipe fittings are precision-formed connectors — elbows, tees, reducers, crosses, caps and stub ends — made from a nickel-chromium-molybdenum superalloy strengthened by niobium. This combination gives Inconel 625 exceptional fatigue strength, weldability and resistance to pitting and crevice corrosion in seawater, making it the go-to grade for subsea and marine piping. Compared with our inconel 600 & 601 pipe fittings, Inconel 625 delivers meaningfully higher tensile and yield strength across a wider temperature range — from cryogenic service up to roughly 1350°C — which is why it commands a premium in aerospace, marine and high-pressure oil & gas applications.
Category | Description |
|---|---|
Butt Weld Fittings | Seamless or welded fittings for direct in-line welding — elbows, tees, reducers, caps, stub ends, crosses. |
Socket Weld & Threaded Fittings | Forged fittings for smaller-bore, high-pressure connections — couplings, unions, elbows, tees, crosses, nipples. |
Inconel 625 Pipe Fittings Technical Specifications
Parameter | Specification |
|---|---|
Material Grade | Inconel 625 (UNS N06625, WNR 2.4856) |
Governing Standards | ASTM B366 / ASME SB366, ASME B16.9, ASME B16.28, MSS-SP-43, BS 1560, BS 4504, ASME/ANSI B16.9, BS10 |
Fitting Types | Elbow (45°/90°/180°, LR/SR), Tee (equal/reducing), Cross, Reducer (concentric/eccentric), Cap, Stub End |
End Connections | Butt Weld, Socket Weld, Screwed/Threaded |
Size Range | 1/2″ – 24″ NB (Seamless buttweld up to 10″; Welded/fabricated up to 48″) |
Wall Thickness / Schedule | SCH 5, 5S, 10, 10S, 20, 30, 40, 40S, 60, 80, 80S, 100, 120, 140, 160, XS, XXS |
Bending Radii | 1D, 2D, 3D, 5D, 6D, 8D, 10D or custom |
Manufacturing Method | Seamless, Welded, Fabricated, Forged |
End Finish | Bevelled ends as per ASME B16.25 |
Testing | Flaring & flattening test, tensile test, hardness test, Charpy impact test, visual and metallographic examination, X-ray/ultrasonic testing, chemical composition analysis, corrosion resistance test |
Certification | EN 10204 3.1 / 3.2 Mill Test Certificate; NACE MR0175, NACE TM-0284, HIC tested, ISO 15156, IBR, NORSOK where required |
Inconel 625 Pipe Fittings Equivalent Grades & Chemical Composition
International Equivalent Standards
Standard | Designation |
|---|---|
UNS | N06625 |
WNR / Werkstoff Nr. | 2.4856 |
JIS | NCF 625 |
BS | NA 21 |
EN | NiCr22Mo9Nb |
GOST | XH75MBTЮ |
AFNOR | NC22DNb4M |
Typical Chemical Composition (%) — Part 1
Element | Ni | Cr | Mo | Nb+Ta | Fe | C |
|---|---|---|---|---|---|---|
Inconel 625 | 58.0 min | 20.0-23.0 | 8.0-10.0 | 3.15-4.15 | 5.0 max | 0.10 max |
Typical Chemical Composition (%) — Part 2
Element | Mn | Si | P | S | Co | Al | Ti |
|---|---|---|---|---|---|---|---|
Inconel 625 | 0.50 max | 0.50 max | 0.015 max | 0.015 max | 1.00 max | 0.40 max | 0.40 max |
Inconel 625 Pipe Fittings Mechanical & Physical Properties
Property | Value |
|---|---|
Density | 8.44 g/cm³ (0.305 lb/cu in) |
Melting Range | 1290–1350°C (2350–2460°F) |
Tensile Strength | Psi 1,35,000 / MPa 930 |
Yield Strength (0.2% Offset) | Psi 75,000 / MPa 517 |
Elongation | 42.5% |
Curie Temperature | Below -320°F (-196°C) |
Forged fitting properties (per ASTM B564): Annealed up to 4″ (102 mm) — Tensile 120 ksi / Yield 60 ksi / Elongation 30%. Annealed over 4″–10″ (254 mm) — Tensile 110 ksi / Yield 50 ksi / Elongation 25%.
Dimensions & Working Pressure Reference
90° Long Radius Elbow — Sample Dimensions (ASME B16.9)
NPS | O.D. (inches) | 90° LR Center-to-Face (in) | 45° LR Center-to-Face (in) | 180° Return Back-to-Face (in) |
|---|---|---|---|---|
1/2″ | 0.840 | 1 1/2 | 5/8 | 1 7/8 |
1″ | 1.315 | 1 1/2 | 7/8 | 2 3/16 |
2″ | 2.375 | 3 | 1 3/8 | 4 3/16 |
4″ | 4.500 | 6 | 2 1/2 | 8 1/4 |
6″ | 6.625 | 9 | 3 3/4 | 12 5/16 |
10″ | 10.750 | 15 | 6 1/4 | 20 3/8 |
Working Pressure — Concentric Reducer (Sample, SCH 40, PSI)
NPS | O.D. (in) | Wall Thickness (in) | @100°F | @300°F | @600°F |
|---|---|---|---|---|---|
1″ | 1.315 | 0.133 | 2205 | 2205 | 1783 |
2″ | 2.375 | 0.154 | 1371 | 1371 | 1108 |
4″ | 4.500 | 0.237 | 1102 | 1102 | 891 |
6″ | 6.625 | 0.280 | 877 | 877 | 709 |
10″ | 10.750 | 0.365 | 699 | 699 | 565 |
Full dimensional and pressure-rating charts (elbow, tee, reducer, stub end, cap) across all sizes and schedules are available on request or as a downloadable technical data sheet.
Inconel Alloy 625 Pipe Fittings Types
Butt Weld Fittings
Fitting | Typical Use |
|---|---|
90° / 45° / 180° Elbow (LR/SR) | Directional change in pipe run |
Equal Tee & Reducing Tee | Branch connection, same or reduced outlet size |
Concentric & Eccentric Reducer | Step-down/up between two pipe diameters while managing flow alignment |
Cap | Terminates a pipe run |
Stub End | Used with lap-joint flanges for easy disassembly |
Cross (Equal & Reducing) | Multi-directional branch connection |
Socket Weld & Threaded (Forged) Fittings
Fitting | Typical Use |
|---|---|
Full / Half Coupling | In-line joint between two pipes |
Union | Allows quick disconnection for maintenance |
Socket Weld / Threaded Elbow, Tee & Cross | Small-bore, high-pressure directional and branch connections |
Swage Nipple / Pipe Nipple | Short connector or size-transition piece |
Bushing / Plug / Cap | Reduces thread size or seals pipe ends |
Street Elbow | Combines male and female ends for direct connection |
Inconel 600 Fittings Applications & Industries Served
Industry | Where Inconel 625 Fittings Are Used |
|---|---|
Marine & Offshore Engineering | Resists pitting and crevice corrosion in seawater and subsea service |
Oil & Gas / Sour Service | NACE MR0175-qualified fittings for corrosive well-stream environments |
Aerospace Industry | High-strength, fatigue-resistant components for demanding operating conditions |
Nuclear Power Plants | Reliable performance in high-integrity piping systems |
Chemical Processing | Handles a wide range of aggressive process chemicals |
Power Generation | Heat exchangers, condensers and high-pressure systems |
For furnace or general chemical service where extreme marine-grade strength isn’t required, our inconel 600 & 601 pipe fittings may be the more cost-effective choice. We also stock matching inconel 625 flanges and inconel 625 tube fittings for a complete piping system.
Manufacturing Process & Quality Control
| Step | Process Stage | What Happens |
|---|---|---|
| 1 | Raw Material Selection | Certified Inconel 625 billets/plates sourced from approved mills |
| 2 | Forming / Bending | Mandrel bending, rotary draw bending, ram-type bending, roll bending or hot induction bending as required |
| 3 | Heat Treatment | Solution annealing to restore ductility and relieve forming stress |
| 4 | Surface Finishing | Polished, pickled or mill finish as specified |
| 5 | Bevelling | Edge preparation to ASME B16.25 for weld-ready fittings |
| 6 | Final Inspection | Visual, dimensional, PMI, hydrostatic, ultrasonic and radiographic testing before packing |
Certifications & Standards Compliance
Certification / Standard | Coverage |
|---|---|
ISO 9001:2015 | Quality Management System |
ASTM B366 / ASME SB366 | Material and manufacturing standard for wrought fittings |
ASME B16.9, B16.28, MSS-SP-43 | Dimensional compliance |
DIN 2605 / 2615 / 2616 / 2617 / 2618 | German dimensional standards for elbows, tees, reducers and caps |
EN 10204 3.1 / 3.2 | Mill test certificate & third-party inspection |
NACE MR0175 / NACE TM-0284 / ISO 15156 / NORSOK / HIC Tested | Sour-service and offshore qualification |
HS Code Reference
HSN Code | Product Description |
|---|---|
7507 1200 | Nickel/Inconel pipe fittings — including collars, couplings, elbows and reducers |
Packaging & Worldwide Delivery
Every Inconel 625 fitting is cleaned, individually wrapped, and packed in wooden pallets, wooden cases or carton boxes as per customer preference, with grade, heat number, size and standard clearly marked. We coordinate FOB, CIF and door-delivery shipments to ports across the Middle East, Africa, Europe, Southeast Asia and the Americas, with export documentation (Certificate of Origin, MTC 3.1/3.2, packing list) prepared in advance to avoid customs delays.
FAQ’s About Inconel 625 Pipe Fittings
Inconel 625 pipe fittings are components made from a nickel-based superalloy (UNS N06625) known for high strength, corrosion resistance, and excellent performance in extreme temperatures.
These fittings are manufactured as per standards like ASTM B366, ASTM B564, and ASME B16.9 / B16.11, ensuring quality and dimensional accuracy.
Common types include elbows, tees, reducers, caps, stub ends, socket weld fittings, and threaded fittings available in seamless, welded, or fabricated forms.
These fittings are typically available from ½ inch to 24 inches (or more), with various schedules such as SCH 10, 40, 80, and higher.
Get the Right Inconel 625 Fittings for Your Project — Fast
Share your size, schedule and quantity requirement and our technical team will revert with a detailed quotation, dimensional data sheet and delivery timeline within 24 hours.
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