How do you ensure the quality and reliability of the Inconel 718 socket head cap screws during the manufacturing process?
Manufacturers use integrated quality control procedures during production. For instance, a direct-reading spectrograph depicts accurate chemical composition. NDT procedures can detect flaws and other defects in Inconel 718 socket head cap screws. Leading providers follow strict dimensional tolerance norms.
Buyers may check quality measures in the Mill Test Certificate (MTC or MTR) shared during delivery. It allows you to trace the Inconel 718 socket countersunk head cap screw (full heat traceability) and ascertain the properties.
Buy directly from Alloy 718 SHCS Screw manufacturer in India
How do you check the quality of an Alloy 718 socket cap screw?
This precipitation-hardened grade has superb strength because of its enhanced lattice structure. The quality-control procedures for an Alloy 718 socket cap screw test the max. tensile strength (a cardinal mechanical property for screws) and also corrosion resistance.
Non-destructive testing, like PMI (or Positive Material Identification), macro or microanalysis, and ultrasonic examination, is also conducted to locate defects in an Inconel 718 socket head screw and related fasteners.
Select the most reliable Inconel 718 Hex Socket Head Cap Screws and Button Head Cap Screws with threads such as BSF, UNF, METRIC, UNC, BSW, or as required
Inconel 718 Socket Head Cap Screws
Alloy 718 Socket Cap Screw
Inconel 718 Hex Socket Head Cap Screws
What are the common thread profiles used in Inconel 718 hex socket head cap screws?
The thread profile – angle and depth in the cross-section – is an important parameter in fasteners like Inconel 718 hex socket head cap screws. These products, regularly used in construction and heavy machinery, can have triangular or square profiles. Standard, ACME, Buttress and square threads may be available. Manufacturers using the unified screw thread system may use UNC or UNF threads (coarse and fine) for an Inconel 718 SHCS screw.
Quickly get pricing from ISO Certified Nickel Alloy 718 Flat Head Cap Screw and DIN 2.4668 Allen Head Cap Screw supplier in Mumbai
Table of Content
Inconel 718 socket head cap screws specifications
Size | Hardness | Length | Specifications |
---|---|---|---|
M1.6 – M48 | 35HRC | 3 to 200 MM | ASTM B637/ B670 |
Tensile strength | International Standard | Thread | Application |
180,000 psi (1,240 MPa) | BS, UNI, ANSI, ISO, IS, JIS, GB, ASME, ASTM DIN | BSW, METRIC, UNF, UNC, BSF, custom |
|
Temperature range | Head Drive | ISO Standard | Coating |
up to 450°C (840°F) | Phillips/Slot, Phillips, Slotted, Six-Lobe | ISO 4033, ISO 4032 | PTFE, zinc plated, black phosphate, hot dip galvanized |
As a trusted stockist we provide Inconel 718 Socket Countersunk Head Cap Screw sizes ranging from M2 to M36 and length from 3mm to 200 mm
Alloy 718 Socket Cap Screw types
Inconel 718 Button Head Cap Screws
- Sizes: M1.6 – M48
- Length: 3 to 200 MM
Nickel Alloy 718 Flat Head Cap Screw
- ASTM/ ASME : B637/ B670
- Yield strength: 150,000 (1,035 MPa)
DIN 2.4668 Allen Head Cap Screw
- Temperature range: up to 1000º C (1800º F)
- Hardness : 30 – 40 HRC
Inconel 718 Socket Countersunk Head Cap Screw
- Tensile strength: 180,000 psi (1,240 MPa)
- Application : Aerospace/ jet engines, oil and gas
Inconel 718 Socket Head Screw
- Coatings: zinc plating, hot dip galvanising, PTFE
UNS N07718 Cap Head Screw
- Head type: Hex, round, hex flange, flat, square
We stock Inconel 718 Socket Head Screw and UNS N07718 Cap Head Screw in almost all shapes & material as per ANSI / ASME B18.3 standards
Inconel 718 Hex Socket Head Cap Screws chemical composition
Grade | Cr | C | Si | Mn | S | Fe | Cu | Ni |
---|---|---|---|---|---|---|---|---|
Inconel 718 | 17.00 – 21.00 | 0.08 maximum | 0.35 maximum | 0.35 maximum | 0.015 maximum | – | 0.30 maximum | 50.00 – 55.00 |
Inconel 718 Button Head Cap Screws mechanical properties
Element | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
---|---|---|---|---|---|
Inconel 718 | 8.2 gram/cm3 | 1350 °C (2460 °F) | Psi – 1,35,000 , MPa – 930 | Psi – 75,000 , MPa – 482 | 45 % |
Nickel Alloy 718 Flat Head Cap Screw equivalent
STANDARD | UNS | WERKSTOFF NR. | BS | JIS | AFNOR | GOST | EN |
---|---|---|---|---|---|---|---|
Inconel 718 | N07718 | 2.4668 | – | – | – | – | – |
What factors are considered when choosing Inconel 718 button head cap screws?
These screws work excellently in oxidising and corrosive environments. But selecting the appropriate Inconel 718 button head cap screwsinvolves many other factors:
- Consider the ambient pressure and temperature and adjudge if the material is suitable.
- Load-bearing capacity and strength affect maintenance, safety, and downtime.
- Design considerations pertain to threads (single or multiple), weight, and moving or vibrating parts. For example, head screws may not suit heavyweight duties; hex-type fasteners are more appropriate.
- Finish: Specify the gauge thickness of the fastener and ensure the hardness matches the design.
- Affordability: These screws can be steeply priced, so ensure their utility justifies the expense.
- Damage resistance and tightening tolerance must be in line with the application.
- Quality control and testing for a UNS N07718 cap head screw are vital.
Can Nickel alloy 718 flat head cap screw be used in applications requiring high vibration resistance?
Engine exhaust and turbochargers face exposure to considerable vibrations. These conditions cannot be handled by all fasteners and cause the joints to get loose. However, a nickel alloy 718 flat head cap screw manages these situations because of its stellar heat resistance and ability to resist shocks and vibration. They guarantee uniform clamping and keep the torque regulated.
These fasteners also hold up against pitting (formation of cavities and holes on the surface) and general corrosion, without compromising properties at cryogenic (ultra-low) temperatures.
Are there environmentally friendly coating options available for DIN 2.4668 allen head cap screw?
While choosing a coat, buyers must check the fitment to the project and whether it can handle damage, load, and vibrations. It is even more significant to pick a sturdy coat for critical joints whose failure can hamper the overall performance or pose a safety risk.
The options for a DIN 2.4668 Allen head cap screware electrodeposited zinc or nickel, zinc flake, and epoxy electro-coat. Galvanisation (hot dip) is excellent for boosting corrosion resistance. Its efficient energy use and judicious use of natural resources make it environmentally friendly.Waterborne or plant-based coatings are more eco-friendly than organic solvents.
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