Qingdao Sande Technology Co., LTD
                                                                                                           
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8 Years
Since 2018
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Precision CNC Machined Stainless Steel Necked Flanges (10-500mm)

Price Negotiable
Price: $0.5-2
MOQ: 1000
Delivery Time: 30 days
Brand: Qingdao Sande Tech Co.,Ltd
Product Description
Precision CNC Machined Stainless Steel Necked Flanges (10-500mm)
Product Attributes
Attribute Value
Application machinery metal parts
Drw Format PDF/DWG/IGS/STP/ etc
Strength high strength
Type Machining Parts
Tolerance ±0.01mm
Materials Hot dip galvanized steel
Value ISO 9001
Surface Treatment Anodizing
Product Overview

Our high-precision CNC machined necked flanges and internal thread components are engineered for exceptional performance in demanding industrial applications. Manufactured using advanced CNC turning and milling processes, these components deliver exacting tolerances and reliable functionality.

Key Features
  • Premium Materials: Available in stainless steel (304/316), carbon steel, and alloy steel
  • Precision Manufacturing: Tight tolerances to ±0.05mm with Ra 0.8-3.2μm surface finishes
  • Durable Construction: Heat-treated options available for enhanced wear resistance
  • Custom Solutions: Tailored dimensions, thread specifications (metric/UN/BSW), and special coatings
Technical Specifications
  • Diameter Range: 10mm to 500mm
  • Pressure Rating: Up to 6000 PSI (varies by material)
  • Temperature Range: -50°C to 800°C
  • Thread Standards: ISO, ANSI, DIN, or custom profiles
Applications
  • Hydraulic and pneumatic systems
  • Power generation equipment
  • Oil & gas pipelines
  • Heavy machinery and automotive assemblies
Quality Assurance
  • 100% dimensional inspection
  • Material traceability documentation
  • ISO 9001 certified production
Precision CNC Machined Components - Technical Specifications
Parameter Necked Flanges Internal Thread Components
Material Grades 304/316 Stainless Steel, Carbon Steel, Alloy Steel Same as flanges + Brass
Size Range OD: 10-500mm, ID: 8-450mm M3-M120 threads, 5-400mm length
Wall Thickness 2-50mm (±0.1mm) 1.5-30mm (±0.05mm)
Tolerance ±0.05mm (standard), ±0.02mm (precision) ±0.03mm (standard), ±0.01mm (precision)
Pressure Rating Up to 6000 PSI (dependent on material) 1000-10000 PSI (thread dependent)
Thread Standards N/A Metric, UN, BSW, NPT, BSPP, BSPT
Surface Finish Ra 0.8-3.2μm (standard) Ra 0.8-1.6μm (thread surfaces)
Heat Treatment Annealed, Quenched & Tempered options Stress-relieving available
Temperature Range -50°C to 800°C -50°C to 650°C (thread dependent)
Certifications ISO 9001, PED, ASME (on request) ISO 9001, DIN/ANSI thread standards
Additional Features Weld preps, Grooves, Counterbores Thread locking features, Chamfers
Frequently Asked Questions
Q1: What materials do you typically use for these components?

A: We primarily machine:

  • Stainless Steel (304, 316, 316L)
  • Carbon Steel (1018, 1045, 4140)
  • Alloy Steel
  • Brass (for threaded components)

Special materials available upon request.

Q2: What tolerances can you maintain?

A: Our standard capabilities:

  • Standard: ±0.05mm
  • Precision: ±0.02mm
  • Ultra-precision: ±0.01mm (additional cost applies)

Tighter tolerances possible for critical dimensions.

Q3: Can you work with our custom designs?

A: Absolutely. We specialize in:

  • Custom drawings/specifications
  • Reverse engineering
  • Design for manufacturability advice
  • Prototype development
Q4: What thread standards do you support?

A: We machine all major standards:

  • Metric (M)
  • Unified (UNC/UNF)
  • British (BSW/BSF)
  • Pipe threads (NPT/NPTF, BSPP/BSPT)
  • Special threads to customer specs
Q5: How do you ensure quality?

A: Our quality process includes:

  • 100% dimensional inspection
  • Material certification (MTR)
  • Surface finish verification
  • First article inspection reports
  • ISO 9001 certified processes
Q6: What surface finishes are available?

A: Standard options:

  • As-machined (Ra 3.2μm)
  • Fine machined (Ra 1.6μm)
  • Precision finish (Ra 0.8μm)

Special finishes:

  • Electropolishing
  • Bead blasting
  • Passivation
Q7: What's your typical lead time?

A: Production runs: 4-6 weeks

Expedited services available.

Q8: What industries do you serve?

A: Our components are used in:

  • Oil & gas
  • Aerospace
  • Hydraulics/pneumatics
  • Power generation
  • Semiconductor
  • Medical equipment
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Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Qingdao Sande Technology Co., LTD
Location South Building, China-South Korea Maker Industrial Park, Chengyang District, Qingdao City, Shandong Province
Contact Person tian

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