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Help Center304 Stainless Steel Rod 2mm 3mm 4mm for Welding Electrode Manufacturing
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Welcome to Hemaokang Steel (Shandong) Co., Ltd. – your reliable partner in high-quality stainless steel materials. Our 304 Stainless Steel Rods in diameters 2mm, 3mm, and 4mm are specifically engineered for the manufacturing of welding electrodes. With a strong commitment to precision and consistency, these rods serve as the ideal base material for producing durable, corrosion-resistant electrodes that meet the demanding needs of modern welding applications. Backed by our ISO9001-certified quality management system and a dedicated team of 51–100 experienced professionals, each rod is manufactured to exacting standards, ensuring long-term performance and customer satisfaction.
Key Features & Technical Specifications
- Material Grade: Premium 304 stainless steel (AISI 304, ASTM A276) – excellent corrosion resistance, good weldability, and high strength.
- Diameter Options: Available in 2mm, 3mm, and 4mm – the most common sizes for welding electrode production.
- Length & Customization: Standard lengths range from 1000mm to 2000mm; custom lengths and cut-to-size services are available upon request.
- Surface Finish: Bright, pickled, or black finish – each option is carefully processed to ensure clean, defect-free surfaces for optimal electrode coating adhesion.
- Straightness & Tolerance: Straightness tolerance within 0.5mm per meter, diameter tolerance within ±0.05mm, ensuring uniform feeding in automated electrode production lines.
- Packaging: Securely bundled and protected to prevent scratches and deformation during transit; custom packaging options (e.g., coil, spool) are available.
Comparative Table: Dimensional Tolerances
| Specification | Value |
| Diameter Tolerance | ±0.05 mm |
| Straightness | ≤0.5 mm/m |
| Surface Roughness (Ra) | ≤1.6 μm (bright finish) |
| Chemical Composition (typical) | Cr: 18-20%, Ni: 8-10.5%, C: ≤0.08% |
Advantages for Your Business
- Cost-Effective: Our rods are manufactured with high efficiency, offering competitive pricing without compromising quality.
- Consistent Quality: Every batch undergoes strict chemical and physical testing, ensuring uniformity in composition and mechanical properties.
- Wide Compatibility: Ideal for producing electrodes for mild steel, stainless steel, and hardfacing applications – perfect for industrial welding markets.
- Fast Delivery: With annual export values exceeding US$50 million, our logistics network ensures timely shipment to global markets.
Trust & Reliability
Hemaokang Steel (Shandong) Co., Ltd. was established in 2025, yet we are backed by decades of industry experience and a strong supply chain. We are proud to hold ISO9001 certification, which reflects our dedication to continuous improvement and customer satisfaction. Our products are exported to North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, the Middle East, East Asia, Western Europe, Central America, Northern Europe, Southern Europe, South Asia, and the domestic Chinese market. With a dedicated team of 51–100 employees and annual export revenues of US$50–100 million, we have the capacity and expertise to meet your bulk orders. Choose Hemaokang for your stainless steel rod needs – we are committed to delivering excellence at every step.
Frequently Asked Questions (FAQ)
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Q: What is the typical lead time for your 304 stainless steel rods?
A: For standard sizes (2mm, 3mm, 4mm) and lengths, lead time is usually 7–15 days. Custom orders may require 15–25 days, depending on quantity and specifications. -
Q: Can you provide a material test certificate (MTC) with the shipment?
A: Yes, we offer a Mill Test Certificate per ASTM A276 for each batch. This is included with the shipment at no extra cost. -
Q: Are these rods suitable for TIG welding filler wire?
A: While our rods are primarily designed for electrode manufacturing, they can also be used as TIG filler wire if the diameter and surface finish meet your requirements. Please consult our sales team for specific applications. -
Q: What packaging options are available?
A: We provide standard bundle packing (plastic wrap + steel strapping), wooden crates, or custom spools/coils. Packaging is tailored to protect the rods during long-distance ocean freight. -
Q: Do you offer samples for quality evaluation?
A: Yes, we offer free samples (customer pays shipping) for evaluation. Typically, we provide 1–2 rods of each diameter for testing. -
Q: What is the minimum order quantity (MOQ)?
A: For 2mm, 3mm, and 4mm rods, the MOQ is 500 kg per size. For mixed sizes, we can discuss flexible terms. -
Q: Can you customize the length to exactly 1000mm or 914mm?
A: Absolutely. We can cut the rods to any length you specify, with tolerance of ±2mm. This service is available for large orders.
Contact us today to discuss your requirements and receive a competitive quotation. We look forward to partnering with you for long-term success!
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