Custom CNC Machining Services For High-Precision Alloy Steel Oil
Casing & Pipe Threaded Components
Product Description:
We specialize in Custom CNC Machining Services for high-performance
Alloy Steel Oil Casing and Pipe Threaded Components, serving the
petroleum industry with precision-engineered parts that meet the
most demanding operational requirements.
Core Competencies:
✓ Material Selection: Wide range of alloy steels including 4130,
4140, 4340, and custom grades for specific strength and corrosion
resistance requirements
✓ Thread Expertise: Mastery of API standard threads and custom
thread forms, ensuring proper make-up, load-bearing capacity, and
pressure sealing
✓ Precision Machining: State-of-the-art CNC equipment capable of
holding tight tolerances required for critical oilfield connections
✓ Customization: We work from your drawings, samples, or
specifications to produce exactly what you need — no minimum order
quantity constraints
Typical Products Manufactured:
Casing couplings and connectors
Threaded pipe ends and subs
Downhole tool components with threaded connections
Wellhead casing hangers and seals
Custom adapters and crossovers
Quality Policy: 100% inspection of critical dimensions and thread
parameters. ISO-compliant quality systems ensure consistency across
every production run.
Key Technical Specifications:
| Parameter | Details |
|---|
| Materials | High-grade alloy steels (AISI 4130, 4140, 4340, 8620) with full
material traceability and mill certifications |
| Thread Standards | API 5B, API 7-2, premium connections, buttress threads, or fully
custom thread designs |
| Precision Tolerances | Thread pitch accuracy within ±0.02mm; concentricity within 0.05mm
TIR |
| Surface Finishing | Anti-galling treatments, phosphate coating, zinc plating, or custom
specifications |
| Inspection | 100% thread gauging, CMM inspection, and pressure testing available |
Our Capabilities:
Complex Geometries: Multi-axis CNC turning and milling for
intricate thread profiles and sealing surfaces
Size Range: OD from 1" to 20" (25mm to 500mm), lengths up to 3
meters
Volume Flexibility: From prototype development (1-5 pieces) to
high-volume production runs
Quality Assurance: ISO 9001:2015 certified facility with
comprehensive quality management systems
1. What file formats do you accept for quotations?
We accept PDF, DWG, DXF, STEP, and IGES formats. For best results,
please include a detailed drawing with thread specifications,
tolerances, and material requirements.
2. Can you match existing thread forms or reverse engineer samples?
Yes. If you have a physical sample or worn part that needs
replication, our reverse engineering capabilities allow us to
capture thread profiles and dimensions accurately for reproduction.
3. What is your quality certification?
Our facility operates under ISO 9001:2015 quality management
systems. We maintain strict process controls and full traceability
throughout production.
4. How do you ensure thread accuracy for pressure sealing
applications?
We use a combination of precision CNC programming, qualified
tooling, and comprehensive inspection. For critical sealing
threads, we employ single-point threading techniques and verify
with thread micrometers, pitch gauges, and optical comparators.
5. Do you handle heat treatment?
Yes, we coordinate with certified heat treatment partners to
provide:
6. What is your pricing based on?
Our quotations are typically based on:
7. How do you package and ship oil casing components?
We provide:
Individual thread protection (caps or wraps)
Rust-preventive coating
Wooden crates or steel bundling for secure transport
Worldwide shipping via air, sea, or courier (DHL/FedEx/UPS)
8. Can you produce components for sour service (H₂S environments)?
Yes, we can machine components from materials suitable for sour
service, such as modified alloy steels with controlled hardness
levels. Please specify your NACE MR0175/ISO 15156 requirements.
