High Performance Fasteners

INCONEL BOLTS & FASTENERS
MANUFACTURER | 718 / 625 / X-750

Industrial-grade Inconel fasteners for high temperature & severe corrosion service. Hex Bolts / Stud Bolts / Nuts & Washers (sets) + SHCS & Threaded Rods. MTC / EN10204 3.1 | Full traceability | Custom sizes | Fast quote in 12 hours.

Get a Quote (12H) Send Drawing / Spec List

Factory Direct

CNC & Forging Capability

Full Traceability

EN10204 3.1 Material Certs

Custom Machining

Non-Standard Fasteners

Global Shipping

Export Packing Ready

Inconel Product Matrix

Select your required grade below to view available product forms and specifications.

Selection Guide: 718 vs 625

Choose Inconel 718 for applications requiring exceptionally high yield and tensile strength at elevated temperatures. Choose Inconel 625 when superior resistance to severe corrosive environments (marine, chemical) is the primary concern.

Inconel 718 Hex Bolts

Heavy Hex / Standard Hex, Full & Partial Thread.

  • Size: M6-M48 / 1/4"-2" (Custom available)
  • Threads: Metric, UNC, UNF
  • Standards: ASME B18.2.1, DIN 931/933
  • Docs: MTC EN10204 3.1, Heat Traceable

Inconel 718 Stud Bolts

Fully Threaded, Double End, Flange Stud Sets.

  • Size: M6-M64 / 1/4"-3"
  • Threads: Metric, UNC, 8UN
  • Standards: ASME B16.5 (Flanges), DIN 976
  • Docs: MTC EN10204 3.1, PMI optional

Inconel 718 Nuts & Washers

Heavy Hex Nuts, Plain Washers, Matched Sets.

  • Size: M6-M64 / 1/4"-3"
  • Threads: Metric, UNC, UNF
  • Standards: ASME B18.2.2, DIN 934, F436
  • Docs: MTC EN10204 3.1, Heat Traceable
Request a Custom Quote

Scope of Manufacture

We can manufacture Inconel fasteners based on requested standard and drawing. Grades below are available. Other grades like 600, 601, 706 available on request.

UNS ASTM EURO ALLOY TRADE NAME
N06600B1662.4816600INCONEL 600
N06601B1662.4627*601INCONEL 601
N06625B4462.4856625INCONEL 625
N07718B6372.4668718INCONEL 718
N07750B6372.4669750INCONEL X-750

Manufacturing Capabilities

  • Forms

    Hex bolts, Stud bolts, Nuts & washers, SHCS, Threaded rods.

  • Threads

    Metric, UNC, UNF; Coarse & Fine pitch.

  • Documents

    MTC / EN10204 3.1 + Heat No. traceability.

  • Custom

    Drawing-based non-standard fasteners.

Sizes
M6-M64 / 1/4"-3"
Custom sizes available
Standards
ASTM, ASME, DIN, ISO
Or per drawing
Marking
Grade & Heat No.
Custom marking available
Packaging
Export Packing
Project labeling, Anti-rust

MECHANICAL PROPERTIES

MECHANICAL PROPERTIES

Typical room temperature properties (Solution Treated & Aged where applicable)

100% Traceability: EN 10204 3.1 MTC
Inconel Grade UNS Tensile Strength (MPa) Yield Strength (MPa)
(0.2% Offset)		 Elongation (%) Max Operating Temp
Alloy 718 N07718 1240 min (Aged) 1034 min 12 min 704°C (1300°F)
Alloy 625 N06625 827 min (Annealed) 414 min 30 min 982°C (1800°F)
Alloy X-750 N07750 1137 min (Aged) 758 min 20 min 704°C (1300°F)

* Values shown are typical/minimum room-temperature mechanical properties. Actual results depend on product form (bolts/studs/nuts), size, and heat treatment. Final properties are confirmed by batch MTC (EN 10204 3.1).

Why Choose Chengge

Fast Quote

Fast Quotation

Respond within 12 hours with a clear, spec-based quote for your Inconel requirements.

Complete Sets

Complete Set Supply

Bolts + nuts + washers delivered as perfectly matched sets for one-stop procurement.

Traceability

Full Traceability

Heat number tracking from raw material to finished product, with full batch records.

Custom Manufacturing

Custom Manufacturing

Non-standard sizes and complex drawing-based parts machined to precise tolerances.

Stable Lead Time

Stable Lead Time

Reliable project scheduling, robust inventory of raw materials, and secure export packing.

Quality System

Quality System

PMI, dimensional, and thread inspection. Comprehensive reports available per batch.

Manufacturing Excellence

Our facility is equipped to handle the unique challenges of machining high-nickel alloys like Inconel 718 and 625.

  • CNC machining for custom Inconel fasteners
  • Forging + machining for high-strength parts
  • Thread rolling and/or thread cutting options
  • Deburring, chamfering, and controlled tolerances
  • Labeling & packaging for project traceability

Process Flow

1
Raw Material
Inspection & Cutting
2
Forming
Forging / CNC Machining
3
Threading
Rolling / Cutting
4
Inspection & Packing
Marking, QA, Export Prep

Quality Inspection & Documents

Rigorous testing ensures our Inconel fasteners perform reliably in critical environments.

Quality Inspection
ISO 9001 Certified System

Inspection Items

  • Dimensional inspection (calipers, gauges)
  • Thread inspection (Go/No-Go gauges)
  • PMI (Positive Material Identification)
  • Hardness / mechanical testing (as required)
  • Visual check + packing inspection

Documents & Deliverables

  • MTC / EN10204 3.1 (per batch)
  • Inspection report (upon request)
  • Traceability list (heat no. / batch)
  • Third-party inspection support (optional)

Industrial Applications

Oil & Gas / Petrochemical

Flange bolting, valves, piping systems in corrosive environments.

Power Generation

Gas turbines, boilers, and high-temp structural joints.

Chemical Processing

Corrosive media handling, reactors, and chemical piping.

Marine / Offshore

Seawater exposure, chloride environments, subsea equipment.

Aerospace

High-temp equipment, engine components where specified.

Heat Exchangers

Pressure vessels and critical heat exchange connections.

Frequently Asked Questions

Which Inconel grades do you supply?
718 / 625 are the main grades; X-750 available if specified. Other Inconel grades (like 600, 601) can be offered on request.
How to choose 718 vs 625?
Choose 718 for higher strength at elevated temperatures; choose 625 for stronger corrosion resistance in marine/chemical service.
Do you supply complete sets?
Yes -- bolts + nuts + washers can be delivered as matched sets for convenient installation.
Do you provide MTC / EN10204 3.1?
Yes, MTC EN 10204 3.1 can be provided for each batch with complete heat number traceability.
Do you support custom fasteners by drawing?
Yes -- please send your drawing/spec, size, quantity, and required standard via the RFQ form.
What threads do you offer?
Metric, UNC, UNF; both coarse and fine threads are available.
What is MOQ and lead time?
Depends on the specific grade, size, and quantity. Submit an RFQ for a confirmed lead time and MOQ.
Can you provide PMI?
Yes, Positive Material Identification (PMI) can be provided upon request to verify alloy authenticity.
What information is needed for a fast quote?
Grade + product type + size/thread + quantity + standard/drawing + required documents.
Submit RFQ Now

Get a Quote for Inconel Fasteners in 12 Hours

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