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OEM Forged & CNC Machined Components High-Tolerance Precision Forging Services

Qingdao Sande Technology Co., LTD
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OEM Forged & CNC Machined Components High-Tolerance Precision Forging Services

Brand Name : Qingdao Sande Tech Co.,Ltd

Model Number : OEM

Certification : ISO, DIN, AISI, ASTM, BS, JIS, etc.

Place of Origin : Qingdao, China

MOQ : 100pcs

Price : $0.5-2

Payment Terms : D/P,T/T,Western Union

Supply Ability : 10000PCS/month

Delivery Time : 30 days

Packaging Details : Wooden case

Steel Grade : H13 / 1.2344 / SKD61

Material : Steel

Profile : Flat Bar,Forging Piece,etc

The Forging Ratio : 3.5 or higher

Surface : Rrough Turned,Grinding,etc

Surface Treatment : Polishing

Raw Materials : alloy steel

Heat Treatment : Quenching and Tempering

Ultrasonic Test : 100% UT Passed

Hardness : HRC 38-42

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OEM Forged & CNC Machined Components High-Tolerance Precision Forging Services

Advanced Manufacturing for Demanding Industrial Applications

We specialize in high-precision OEM forging and CNC machining, delivering custom-engineered components that meet the most stringent performance requirements. Our closed-die forging, precision CNC machining, and finishing processes ensure superior strength, dimensional accuracy, and durability—ideal for critical applications in aerospace, automotive, oil & gas, heavy machinery, and defense.


1. Precision Forging Services
Closed-Die (Impression Die) Forging
• Process : Heated billets are pressed into custom dies under extreme pressure, forming near-net shapes with excellent grain flow.
• Benefits :
◦ Higher strength-to-weight ratio vs. casting or machining.
◦ Improved fatigue & impact resistance due to optimized grain structure.
◦ Reduced material waste compared to traditional machining.
• Materials : Carbon steel, alloy steel, stainless steel, titanium, aluminum, brass.
Open-Die Forging
• Process : Used for large, simple shapes (shafts, rings, blocks) where dimensional tolerances allow secondary CNC machining.
• Applications : Heavy industrial components like rolls, cylinders, and large flanges.
Cold & Warm Forging
• Cold Forging : Room-temperature forming for high-strength, tight-tolerance parts (fasteners, gears).
• Warm Forging : Reduced heating for better formability than cold forging, with improved mechanical properties.


2. High-Precision CNC Machining

After forging, parts undergo CNC turning, milling, grinding, and EDM to achieve ultra-tight tolerances (±0.001" or better).

Key CNC Machining Capabilities :

✔ 5-Axis CNC Milling – Complex geometries with high accuracy.
✔ CNC Turning – Precision shafts, bushings, and threaded components.
✔ Grinding (Surface/Cylindrical) – Ultra-fine finishes (Ra 0.2µm or better).
✔ Gear Hobbing & Shaping – High-accuracy gear manufacturing.
✔ EDM (Wire & Sinker) – Intricate contours and hardened materials.


3. High-Tolerance Precision Forging (Capabilities & Standards)


Parameter Capability
Tolerances ±0.003" – ±0.010" (forging), ±0.001" (machining)
Weight Range 0.1 kg – 500 kg (closed-die), up to 5,000 kg (open-die)
Material Grades AISI 4140, 4340, 1045, 316L, 17-4PH, Ti-6Al-4V, 6061-T6
Surface Finish As-forged, machined (Ra 3.2µm), mirror polish (Ra 0.4µm)
Heat Treatment Annealing, quenching, tempering, case hardening, nitriding
Certifications ISO 9001:2015, AS9100 (aerospace), ITAR (defense), PED (pressure

OEM Forged & CNC Machined Components High-Tolerance Precision Forging Services

OEM Forged & CNC Machined Components High-Tolerance Precision Forging Services


OEM Forged & CNC Machined Components High-Tolerance Precision Forging Services

5. Why Choose Our OEM Forging & CNC Machining Services ?

✅ Superior Metallurgical Properties – Forged parts have better fatigue life than cast/machined alternatives.
✅ Cost-Effective for High-Volume Production – Near-net shapes reduce machining time & material waste.
✅ Full-Service Manufacturing – From design & prototyping to heat treatment & finishing.
✅ Strict Quality Control – CMM inspection, ultrasonic testing, hardness testing for defect-free parts.


Request a Quote or Design Support

Submit your CAD files, drawings, or specifications, and our engineers will provide a custom manufacturing solution with competitive pricing and lead times.


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