Inconel X-750 Forged Fittings are precipitation strengthened nickel-chromium fittings that are alloyed with aluminum and titanium. Unlike solid-solution grades, UNS N07750 Forged Fittings possess strength that spans an astounding range of temperatures: from sub zero cryogenic to high temperature industrial applications and useful oxidation resistance is achieved at temperatures up to 982°C (1500°F). This makes them the preferred material used in nuclear reactors, aerospace spring elements, hot sections, gas turbine seals and high-temperature valve assemblies.
Amardeep Steel Centre is a manufacturer and exporter of ASTM B637 Inconel X-750 Forged Fittings in India. Alloy X750 Socket Weld Fittings and Alloy X750 Threaded Fittings are available from 1/8" to 4" NB Class 2000 to 9000 LBS with EN 10204 3.1 certificates and PMI reports.
Request a QuoteASTM B637 Inconel X-750 Forged Fittings Specifications
|
Parameter |
Details |
|
Standards |
ASTM / ASME |
|
Designation |
B637, SB637 |
|
Dimension Standard |
ASME B16.11, MSS SP-79, 83, 95, 97 |
|
Grade |
Inconel X-750 (UNS N07750, WNR 2.4669) |
|
Type |
Socketweld Fittings, Screwed / Threaded Fittings |
|
Class / Pressure Rating |
2000 LBS, 3000 LBS, 6000 LBS, 9000 LBS |
|
Size Range |
1/8" NB to 4" NB |
|
Forging Methods |
Cold/Hot Forging, Open/Closed Die, Impression Die, Upset, Drop Forging |
|
Types |
Elbow, Tee, Cross, Coupling, Union, Cap, Plug, Bushing, Boss, Nipple |
Types of Inconel X-750 Forged Fittings
Inconel X-750 Forged Fittings are supplied in these configurations:
- Inconel X-750 Forged 90° & 45° Elbow (Socket Weld & Threaded)
- Inconel X-750 Forged Equal Tee & Reducing Tee
- Inconel X-750 Forged Cross
- Inconel X-750 Full Coupling & Half Coupling
- Inconel X-750 Forged Union
- Inconel X-750 Forged Pipe Cap
- Inconel X-750 Hex Bushing
- Inconel X-750 Hex Head Plug & Square Head Plug
- Inconel X-750 Boss Fitting & Swage Nipple
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Inconel X-750 Forged Fittings — Ask Amardeep Steel Centre for Stock Availability & Best Prices | Certified Export Quality |
Inconel X-750 Chemical Composition
|
Grade |
C |
Mn |
Si |
S |
Fe |
Ni |
Cr |
Al |
Ti |
Nb+Ta |
|
Inconel X-750 / N07750 |
≤ 0.08 |
≤ 1.00 |
≤ 1.00 |
≤ 0.010 |
6.0–9.0 |
70.0 min |
14.0–17.0 |
0.4–1.0 |
2.25–2.75 |
0.70–1.20 |
Inconel X-750 Mechanical Properties
|
Grade |
Density |
Melting Point |
Tensile Strength |
Yield Strength (0.2%) |
Elongation |
|
Inconel X-750 |
8.28 g/cm³ |
1393–1427°C |
1276 MPa |
1172 MPa |
25% min |
Equivalent Grades of Inconel X-750
|
Standard |
UNS |
Werkstoff Nr. |
AMS Standards |
|
Inconel X-750 |
N07750 |
2.4669 |
AMS 5542, 5582, 5598, 5667, 5668, 5669, 5670, 5671 |
Inconel X-750 Forged Fittings – Pressure Rating Chart
|
Size (Inches) |
Pressure Rating (2000 LBS) |
Pressure Rating (3000 LBS) |
Pressure Rating (6000 LBS) |
Pressure Rating (9000 LBS) |
|
1/2 |
5000 psi |
7000 psi |
12000 psi |
17000 psi |
|
3/4 |
4500 psi |
6500 psi |
11000 psi |
16000 psi |
|
1 |
4000 psi |
6000 psi |
10000 psi |
15000 psi |
|
1-1/4 |
3800 psi |
5900 psi |
9500 psi |
14000 psi |
|
1-1/2 |
3600 psi |
5800 psi |
9000 psi |
13000 psi |
|
2 |
3400 psi |
5500 psi |
8500 psi |
12000 psi |
|
2-1/2 |
3200 psi |
5300 psi |
8000 psi |
11000 psi |
|
3 |
3000 psi |
5000 psi |
7500 psi |
10000 psi |
|
4 |
2800 psi |
4800 psi |
7000 psi |
9000 psi |
|
5 |
2600 psi |
4500 psi |
6500 psi |
8500 psi |
|
6 |
2400 psi |
4200 psi |
6000 psi |
8000 psi |
|
8 |
2200 psi |
4000 psi |
5500 psi |
7500 psi |
|
10 |
2000 psi |
3800 psi |
5000 psi |
7000 psi |
|
12 |
1800 psi |
3600 psi |
4800 psi |
6500 psi |
|
14 |
1600 psi |
3400 psi |
4600 psi |
6200 psi |
|
16 |
1400 psi |
3200 psi |
4400 psi |
6000 psi |
Inconel X-750 Forged Fittings – Forged Elbow Size Chart
|
Size (Inches) |
Weight (kg) |
Schedule / Wall Thickness |
|
1/2 |
0.46 |
SCH 40 |
|
3/4 |
0.75 |
SCH 40 |
|
1 |
1.02 |
SCH 40 |
|
1-1/4 |
1.37 |
SCH 40 |
|
1-1/2 |
1.61 |
SCH 40 |
|
2 |
2.04 |
SCH 40 |
|
2-1/2 |
2.93 |
SCH 40 |
|
3 |
3.74 |
SCH 40 |
|
4 |
4.58 |
SCH 40 |
|
5 |
5.44 |
SCH 40 |
|
6 |
6.22 |
SCH 40 |
|
8 |
8.52 |
SCH 40 |
|
10 |
10.91 |
SCH 40 |
|
12 |
13.34 |
SCH 40 |
|
14 |
15.89 |
SCH 40 |
|
16 |
18.32 |
SCH 40 |
Inconel X-750 Forged Fittings – Screwed Fittings Dimensions
|
Size (Inches) |
Outside Diameter (mm) |
Length (mm) |
Thread Type |
|
1/2 |
21.34 |
56.0 |
BSB / NPT |
|
3/4 |
26.75 |
63.0 |
BSB / NPT |
|
1 |
33.40 |
70.0 |
BSB / NPT |
|
1-1/4 |
42.16 |
80.0 |
BSB / NPT |
|
1-1/2 |
48.26 |
85.0 |
BSB / NPT |
|
2 |
60.33 |
95.0 |
BSB / NPT |
|
2-1/2 |
73.03 |
110.0 |
BSB / NPT |
|
3 |
84.00 |
120.0 |
BSB / NPT |
|
4 |
106.68 |
140.0 |
BSB / NPT |
|
5 |
125.00 |
150.0 |
BSB / NPT |
|
6 |
150.00 |
160.0 |
BSB / NPT |
Inconel X-750 Forged Fittings – Heat Treatment Chart
|
Process |
Temperature Range (°C) |
Temperature Range (°F) |
Duration |
|
Solution Annealing |
1010 – 1080°C |
1850 – 1980°F |
1 hour per inch of thickness |
|
Stress Relief |
760 – 870°C |
1400 – 1600°F |
1 hour per inch of thickness |
|
Solution Heat Treatment |
1038 – 1121°C |
1900 – 2050°F |
1 hour per inch of thickness |
|
Age Hardening |
704 – 760°C |
1300 – 1400°F |
16 – 24 hours |
Applications of Inconel X-750 Forged Fittings
ASTM B637 UNS N07750 Forged Fittings are critically used in:
- Aerospace — turbine blades, engine frames, exhaust systems, airframes
- Nuclear power — reactor core springs, hold-down springs, and thermal shields
- Oil & gas — high-temperature valve components, bolts, and wellhead equipment
- Chemical processing — reactor vessels and high-temperature piping
- Power generation — gas turbine hot-section hardware
- Defense and metallurgical industries
Testing & Inspection
Inconel X-750 Forged Fittings are tested and certified as per:
- Raw Materials Certificate & EN 10204 3.1B MTC
- PMI (Positive Material Identification)
- Tensile and Hardness Testing
- Intergranular Corrosion (IGC) Test
- Macro & Micro Examination
- 100% Radiography Test (on request)
- Third-party inspection by TUV, BV, SGS, and Lloyd's
Packaging & Export Supply
WNR 2.4669 Forged Fittings from Amardeep are packed in seaworthy wooden corrugated boxes with bubble wrap foiling. Shipping marks include grade, heat number, lot number, and size. Fumigation certificates are standard for all exports. Amardeep delivers Inconel X-750 Forged Fittings to 80+ nations including the USA, Germany, the Netherlands, UAE, Japan, South Korea, and Australia.
Frequently Asked Questions (FAQs)
Q1. What industries use Inconel X-750 Forged Fittings?
Inconel X-750 Forged Fittings are widely used in aerospace, nuclear power, oil and gas, chemical processing, power generation, and defense, where high strength and corrosion resistance are required up to 816°C.
Q2. What heat treatment is required for Inconel X-750?
Inconel X-750 Forged Fittings are solution treated at 2100°F and then age-hardened per AMS 5667–5671 schedules. For service above 1100°F, optimum aging treatment is essential to develop peak mechanical properties.
Q3. What makes Inconel X-750 different from Inconel 718?
Inconel X-750 has higher nickel (70%+ vs 50–55%) and uses Al-Ti precipitation hardening. It is preferred for springs and nuclear applications, while Inconel 718 is preferred for aerospace structural components requiring weldability.
Q4. What standard governs Inconel X-750 Forged Fittings?
Inconel X-750 Forged Fittings conform to ASTM B637 / ASME SB637 for material, ASME B16.11 for dimensions, and AMS 5667–5671 for heat treatment and mechanical requirements.
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Get an Instant Quote | Amardeep Steel Centre — Inconel X-750 Forged Fittings Manufacturer in India | Global Delivery |
