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| Customization: | Available |
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| Processing Object: | Metal |
| Molding Style: | Forging |
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Suppliers with verified business licenses
Audited Supplier Audited by an independent third-party inspection agency
We are skilled in customized forging parts.
All designs and products belong to our customers.
Before ordering, please send us your drawings and requirements.
We will update the best price for you.
Looking forward to your inquiry.
Material Available:
| Stainless Steel | SS201,SS301, SS303, SS304, SS316, SS416 etc. |
| Steel | mild steel, Carbon steel, 4140, 4340, Q235, Q345B, 20#, 45# etc. |
| Brass | HPb63, HPb62, HPb61, HPb59, H59, H68, H80, H90 etc. |
| Copper | C11000,C12000,C12000 C36000 etc. |
| Aluminum | AL6061, Al6063, AL6082, AL7075, AL5052, A380 etc. |
»Reliable CNC service
»Good machining quality
»Reasonable Pricing provided
»Competitive shipping cost service
»MOQ 1PCS and small quantity order accepted
»Professional engineering service when any modification required
»Any turnkey assembly or customized package requirements, we'll meet your demands!
1.Our forging parts have been ISO9001:2009 certisfied.
2.TUV (PED 97/23/EC & AD2000 aa W0/TRD 100) certification
3.Professional OEM manufacturer RFQ Customer Inquiry →Engineering Communication →Cost Analysis →Sales Analysis →Quote to Customer
» 1-3 Work Days Only
» Submit RFQ with complete commercial terms
Sample Making Sample Order → Engineering Review → Sample Plan to Customer → Sample Status
Tracking → Submit Samples with Doc.
» Tooling L/T: 2-4 weeks, Sample L/T: 1 week
» Continuous Sample Status Tracking
» Complete Documents for sample approval
Order Management CRM System → Open Order Confirm → Logistic Arrangement.
» Production L/T: 2-4 wks
» Weekly Open Order Confirm
» Preferred 3PL Service to Customers
Our machining ability:
1. Occupies an area more than 6,000 square meters
2. More than 40pcs big CNC lathes Ø500 - Ø1200
3. Machining center 1400 x 825 x 1000mm 4 axis
*We have specialized QC testers to check the quality of the products according to different
customers' requirement. Usually, it's random inspection, and we also offer 100% inspection at
a reasonable price if required.
*We have IQC to check the dimensions and surface of the incoming material
*We have PQC to inspect full-course during the manufacturing processing
*We have FQC to inspect all the anodizing/plating and other finishes' products from our supplier
and proceed with the professional quality and appearance inspection before shipping.
1. FedEx/DHL/UPS/TNT for samples, Door-to-Door;
2. By Air or by Sea for batch goods, for FCL; Airport/ Port receiving;
3. Customers specifying freight forwarders or negotiable shipping methods!
Delivery Time: 3-7 days for samples; 5-25 days for batch goods.
a.Item: OEM Wrought Forged Parts Metal Steel Forging Parts From Forging Company
b.Drawing: as your requirement
c.Surface; anneal,quenching, tempering
d.Material: #45steel, carbon steel, Iron.
e.Product: manhole cover, pipe fitting, flange, machine parts, pump parts, etc.
g.Technology: forging
h.Advantages: Delivery on time, according to the demand for materials
i.Packing: wooden case or as your requirement.
j.Deliverywithin 20 days after receiving last confirm information.
1. What is a Forged Engine Exhaust Valve?
A Forged Engine Exhaust Valve is a precision, high-performance internal engine component located in the cylinder head. It opens and closes the exhaust port, allowing spent combustion gases to exit the cylinder. Made through a hot forging process, it offers superior microstructure density, grain flow, and mechanical strength compared to cast or machined-from-bar valves, making it essential for high-stress, high-temperature applications in automotive, marine, and industrial engines.
2. What are the main advantages of forged valves over other types?
Superior Strength & Fatigue Resistance: Forging aligns the metal grain along the valve's shape, creating a part that can withstand extreme thermal cycling and mechanical stress without failure.
Enhanced Microstructure: Eliminates porosity and voids common in castings, leading to better heat dissipation and durability.
High-Temperature Capability: Maintains strength and resists creep (permanent deformation) at the extreme temperatures of the exhaust port (typically 600°C - 900°C).
Weight Optimization: Can be forged to near-net shape, allowing for precise control over mass, which is critical for high-RPM valvetrain stability.
3.How do I start a technical discussion or request a quote?
For a meaningful consultation and accurate quote, please provide:
Engine application details or OEM part number.
Detailed technical drawing or physical sample.
Target annual volume.
Any specific performance or material requirements.
4. What coatings and surface treatments are available?
Coatings are critical for longevity and performance:
Stem Hardening & Coatings: Chrome plating (standard for wear resistance), Nitriding (for hardness and scuff resistance), or DLC (Diamond-Like Carbon) coating (premium low friction).
Face Hardening: Stellite (cobalt-based alloy) welding on the valve seat face for extreme wear and heat resistance.
Head & Stem Tips: Plasma or HVOF (High-Velocity Oxygen Fuel) thermal spray coatings for additional thermal barrier or wear properties.
5. How do I specify the correct valve for my engine?
Precise specifications are mandatory. You must provide:
Engine Make, Model, Year, and Displacement.
Critical Dimensions (with tolerances):
Head Diameter
Stem Diameter and length
Overall Length (OAL)
Keeper Groove type and location (e.g., single or multi-groove)
Lock Groove Angle (e.g., 45°, 30°)
Material and Coating Specification.
OEM Part Number or a sample of the old valve is the most reliable reference.
6. What is your manufacturing and quality control process?
Our process ensures aerospace-level precision:
Hot Forging: Heated billet is forged in dies to form the valve blank.
Heat Treatment: Precise quenching and tempering to achieve required hardness and microstructure.
CNC Machining: Precision turning and grinding of stem, head, and grooves.
Surface Treatment: Application of coatings (chrome, nitriding, etc.).
100% Inspection:
Dimensional Check: CMM and optical comparators.
Hardness Testing: Rockwell and Vickers on stem and head.
Surface Crack Detection: Magnetic Particle Inspection (MPI) or Fourier Inspection.
Runout and Straightness Check.
Sample Destructive Testing: From each batch for metallographic analysis and tensile strength.
7. How are the valves packaged to prevent damage?
We use specialized protective packaging:
Individual plastic sleeves or tubes.
Separated in partitioned boxes to prevent contact and micro-scratches.
Sealed in moisture-proof bags with desiccant for long-term storage.
Clear labeling with part number and batch code.
8. Do you offer hollow/sodium-filled valves?
Yes. Sodium-filled valves are a high-performance solution where the hollow stem is partially filled with metallic sodium. When hot, the sodium melts and sloshes, transferring heat from the valve head to the stem and valve guide much more efficiently, significantly reducing valve head temperature. We produce these for demanding turbocharged and racing engines.
9. What is your MOQ (Minimum Order Quantity)?
Standard Replacement Valves: MOQ 100 pieces per part number.
High-Performance/Racing Valves: MOQ 50 pieces.
Custom OEM Program: MOQ 1,000 pieces annually (negotiable based on design).
Samples/Prototypes: Available for R&D and testing.
If there's anything I can help, please feel free to contact with me.
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