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Help CenterCustom S136 Mold Insert Core CNC Precision Machined IATF 16949 High Hardness Heat Treated Injection Tooling Parts Manufacturer SE Asian Market
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Welcome to Changzhou Hongxinyutai Precision Mold Co., Ltd. – a dedicated manufacturer of high-quality injection mold components since 2017. Our Custom S136 Mold Insert Core is engineered for precision, durability, and reliability in demanding injection molding applications. With a factory spanning 1,000–3,000 square meters and a skilled team of 51–100 employees, we combine advanced CNC machining, rigorous heat treatment, and strict quality control to deliver components that meet the highest industry standards. Whether you need custom inserts for automotive, electronics, or consumer goods, our products are designed to enhance mold life and reduce downtime.
This S136 mold insert core is CNC precision machined and heat treated to achieve high hardness (48–52 HRC), ensuring excellent wear resistance and dimensional stability even under high-pressure injection cycles. It is widely used in Southeast Asian markets and other global regions, backed by our TS16969-certified production system. Every insert undergoes thorough inspection to guarantee tight tolerances and seamless fit within your mold assembly.
Key Features & Benefits
- Superior Material: S136 stainless steel offers excellent corrosion resistance and polishability, ideal for high-gloss mold surfaces.
- Precision CNC Machining: Advanced 5-axis CNC centers ensure tolerances as tight as ±0.005mm, reducing flash and improving part consistency.
- Optimized Heat Treatment: Vacuum hardening and tempering achieve uniform hardness throughout the core, minimizing deformation during molding.
- Customizable Design: Accept custom drawings (2D/3D) for inserts with complex geometries, multiple cavities, or specialized cooling channels.
- Long Service Life: High hardness (48–52 HRC) and proper surface treatment extend mold life significantly, lowering your total cost per part.
- Global Compliance: Manufactured under TS16969 quality management system, suitable for automotive tier suppliers and other regulated industries.
Technical Specifications (Typical Parameters)
| Parameter | Value |
| Material | S136 (AISI 420 Modified) |
| Hardness (After Heat Treatment) | 48–52 HRC |
| Machining Tolerance | ±0.005–0.01 mm (customizable) |
| Surface Roughness | Ra ≤ 0.4 μm (as polished) |
| Heat Treatment Process | Vacuum Hardening + Tempering |
| Standard Compliance | TS16969 (IATF 16949 compatible) |
| Available Sizes | Custom – from 10×10 mm to 500×500 mm (or larger upon request) |
| Lead Time | 7–20 working days depending on complexity |
Our CNC precision machining capability allows us to produce complex insert cores with features such as side cores, sliders, lifters, and cooling channels. The combination of S136 material and controlled heat treatment ensures that the insert maintains its hardness and dimensional stability even after thousands of cycles. This is particularly valuable for high-volume production of plastic parts where consistent quality is critical.
We understand that every mold is unique, so we offer complete customization. Simply provide your 3D model (STEP, IGES, or STL) and technical requirements, and our engineering team will optimize the design for manufacturability and performance. We also provide surface finish options such as mirror polishing, texture etching, or TiN coating to meet specific product demands.
Why Choose Changzhou Hongxinyutai?
- Established Manufacturer: Founded in 2017, we have grown into a reliable partner for mold makers in Southeast Asia, Europe, and the Americas.
- Skilled Workforce: 51–100 employees including experienced CNC programmers, heat treatment specialists, and quality inspectors.
- Modern Facility: 1,000–3,000 sqm factory equipped with advanced CNC machines, EDM, wire cut, and CMM inspection tools.
- Certified Quality: TS16969 certified quality management system ensures traceability and process control from raw material to final product.
- Flexible Shipping: Ports in Jiangsu, Shanghai, and Shenzhen offer convenient sea/air freight options for global delivery.
- Market Expertise: We have served customers in over 10 regions including Southeast Asia, North America, and Europe, understanding diverse requirements.
We take pride in our ability to deliver high-precision mold inserts that perform consistently in demanding injection molding environments. With our commitment to continuous improvement and customer satisfaction, we have built long-term relationships with clients in the automotive, appliance, and medical device industries. Our team is always ready to provide technical support, from design review to after-sales service.
Ready to elevate your mold performance? Contact us today with your custom requirements—we will provide a competitive quotation and a sample if needed. Let us be your trusted partner for precision injection tooling parts in the Southeast Asian market and beyond.
Frequently Asked Questions
1. What is the typical lead time for custom S136 mold inserts?
Standard lead time is 7–20 working days, depending on complexity and quantity. Urgent orders can be expedited upon request.
2. Can you match my existing insert dimensions exactly?
Yes, we can reverse-engineer or work from your 2D/3D drawings to produce inserts that fit your mold base perfectly. We recommend providing a sample or detailed dimensions for best accuracy.
3. What hardness range do you achieve after heat treatment?
Our standard heat treatment yields 48–52 HRC. If you require a different hardness (e.g., 52–56 HRC), we can adjust the process parameters—please specify your need.
4. Do you offer surface coatings like TiN or DLC?
Yes, we provide optional surface treatments such as TiN, TiCN, or DLC coating to further improve wear resistance and reduce friction. Please inquire about availability and pricing.
5. How do you ensure the quality of each insert?
We follow a strict quality control plan including incoming material inspection, in-process checks, final CMM measurement, and hardness testing. A certificate of inspection can be provided with each shipment.
6. What is the minimum order quantity (MOQ) for custom inserts?
MOQ is typically 1 piece. We welcome both small prototype runs and mass production orders.
7. Can you produce inserts with complex cooling channels?
Absolutely. Our CNC machining capability allows us to create conformal cooling channels, baffles, and other complex internal geometries to optimize mold temperature control.
8. Do you ship to countries outside Southeast Asia?
Yes, we export worldwide. Our main markets include North America, South America, Europe, Africa, Oceania, and the Middle East, in addition to Southeast Asia. We use reliable freight forwarders to ensure safe and timely delivery.
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