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Help CenterBlack Steel Square Bar SAE 1018 for Automotive Components
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Shanxi Jurun Technology Co., Ltd., based in the industrial hub of Taiyuan, China, specializes in manufacturing precision-engineered steel products for demanding automotive applications. Our Black Steel Square Bar SAE 1018 delivers exceptional structural integrity and reliability for critical vehicle components. Engineered to withstand rigorous operational stresses, this square bar provides automakers with a cost-effective solution without compromising on performance. With extensive experience in steel production, we ensure consistent quality that meets the exacting requirements of modern automotive manufacturing processes.
This product stands out due to:
- Superior Machinability: Lower carbon content enables efficient cutting and shaping operations
- Enhanced Weldability: Uniform composition allows clean, strong joints with minimal defects
- Balanced Strength/Ductility: Optimal mechanical properties for impact-resistant components
- Consistent Cross-Section: Precision-formed 90° angles with tight dimensional tolerances
Technical specifications include:
| Property | Value |
| Carbon Content | 0.15-0.20% |
| Tensile Strength | 64-70 ksi (typical) |
| Yield Strength | 54-60 ksi (typical) |
| Elongation | 15% minimum |
Automotive manufacturers benefit from reduced machining time and material waste due to the bar's excellent surface consistency and predictable behavior during CNC operations. The black oxide surface provides moderate corrosion resistance during storage and transit while maintaining paint adhesion compatibility. Typical applications include steering linkage components, transmission shifters, suspension bushings, and chassis reinforcement elements where dimensional stability under load is critical.
Backed by Shanxi Jurun's established manufacturing infrastructure in Taiyuan, we maintain rigorous quality control throughout production. Our regional presence in China's steel industry center enables responsive order fulfillment and logistical efficiency. Clients receive material traceability documentation with each shipment, ensuring compliance with automotive supply chain requirements. Contact our technical team today to discuss custom sizing options and volume pricing for your specific component manufacturing needs.
Frequently Asked Questions
Q: What distinguishes SAE 1018 from other carbon steels?
A: Its balanced carbon content offers optimal machinability while maintaining sufficient strength for non-critical automotive parts.
Q: Can these bars be supplied in custom lengths?
A: Yes, we provide cutting services to specified lengths with minimal tolerance variation.
Q: How does the black surface treatment benefit components?
A: The mill scale provides temporary corrosion protection during processing and improves lubricity during machining.
Q: What packaging options are available?
A: Standard bundled packaging with protective coating, with crated options available for export shipments.
Q: Are material certifications provided?
A: Mill test reports confirming chemical composition and mechanical properties accompany all shipments.
Q: What's the lead time for custom sizes?
A: Standard sizes ship immediately; custom dimensions typically require 10-15 days production time.
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