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Help CenterSpecial-shaped Stamped Steel Parts With 8.8 Grade Hardness and Surface Phosphate Coating for Corrosion Resistance
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As a leading manufacturer based in Hengshui, Hebei, China, Anping County Boli Hardware Wiremesh Products Factory has been producing high-quality metal components since 1998. Our special-shaped stamped steel parts with 8.8 grade hardness and surface phosphate coating are designed to meet the rigorous demands of modern industrial applications. With an annual export value of US$5-10 million and a strong presence in over 10 global markets, we bring precision engineering and cost-effective solutions to your custom requirements.
These parts are manufactured through advanced stamping processes, ensuring consistent dimensions and excellent mechanical properties. The 8.8 grade hardness signifies a tensile strength of approximately 800 MPa, making them ideal for high-stress environments. The phosphate coating provides superior corrosion resistance, extending service life in harsh conditions. Whether you need brackets, clips, connectors, or any custom shape, our parts are engineered to perform reliably.
| Parameter | Value |
| Material Grade | Carbon Steel / Alloy Steel (optional) |
| Hardness Grade | 8.8 (HRC 22-32) |
| Surface Treatment | Phosphate Coating (Manganese or Zinc) |
| Thickness Range | 0.5mm – 6.0mm (customizable) |
| Tolerance | ±0.1mm (standard), up to ±0.05mm upon request |
| Corrosion Resistance | Neutral salt spray test: ≥72 hours |
- High Strength & Durability: The 8.8 grade hardness ensures parts withstand heavy loads and repeated stress without deformation.
- Excellent Corrosion Protection: Phosphate coating forms a barrier against moisture, chemicals, and oxidation, reducing maintenance costs.
- Custom Shapes Available: We can produce complex geometries that match your exact drawings (CAD or sample), eliminating the need for secondary operations.
- Consistent Quality: Our stamping dies are precision-machined, ensuring tight tolerances and repeatability across large production runs.
- Cost-Effective: Stamping is a high-volume process that lowers per-unit cost, especially for quantities of 5,000+ parts.
- Compatible with Post-Processing: The phosphate coating also serves as a paint base, allowing optional painting or powder coating.
These parts are widely used in the automotive industry (engine mounts, brackets, chassis components), agricultural machinery, construction equipment, and general industrial fastening systems. The combination of high hardness and corrosion resistance makes them suitable for outdoor applications and environments with high humidity or salt exposure.
- Over 25 years of manufacturing experience since 1998.
- Annual export volume of US$5-10 million, serving clients in North America, Europe, Asia, Oceania, and more.
- Ports of shipment: Tianjin, Qingdao, Shanghai, Foshan – convenient logistics for global delivery.
- We offer free sample evaluation and competitive pricing for bulk orders.
- Flexible payment terms: T/T, L/C, PayPal, etc.
We understand that every project is unique. Our team works closely with you to optimize the design for stamping, ensuring the best balance between performance and cost. We also provide value-added services such as heat treatment, plating, and assembly upon request. Contact us today to discuss your custom stamped parts requirements – we are ready to support your success.
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Q: What is the minimum order quantity (MOQ) for custom parts?
A: Our MOQ is typically 1,000 pieces for standard shapes, but we can accommodate smaller quantities for prototyping with a higher unit price. Please contact us for evaluation. -
Q: Can you produce parts with a higher hardness than 8.8?
A: Yes, we can offer grades 10.9 or 12.9 upon request through additional heat treatment. However, the standard 8.8 grade is cost-effective for most applications. -
Q: How long does the phosphate coating last?
A: The coating life depends on the environment. Under normal indoor conditions, it provides protection for several years. In harsh outdoor or marine environments, additional sealing or painting is recommended. -
Q: Do you provide free samples?
A: We offer free samples for existing standard parts. For custom parts, a sample fee may apply, which will be deducted from the first production order. -
Q: What file formats do you accept for custom designs?
A: We accept CAD files (DWG, DXF, STEP, IGES) and PDF drawings. We can also reverse-engineer from physical samples. -
Q: How do you ensure consistent quality across large batches?
A: We use progressive stamping dies with in-process gauging and conduct regular dimensional inspections (CMM, calipers). Each batch is tested for hardness and coating thickness before shipment. -
Q: What is the typical lead time for a custom order?
A: Tooling fabrication takes 15-20 days, and production takes 7-15 days depending on quantity. Rush orders are available upon request. -
Q: Can you apply the phosphate coating on other materials like stainless steel?
A: Phosphate coating is primarily for carbon steel. For stainless steel, we offer alternative surface treatments such as passivation or electropolishing.
With decades of expertise and a commitment to quality, Anping County Boli Hardware Wiremesh Products Factory is your trusted partner for custom metal stampings. Place your inquiry now to get a tailored quote and experience the difference of precision manufacturing.
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