


Huaxiao Metal supplies high-quality 430 stainless steel seamless pipes with competitive factory prices, stable stock, and fast global delivery.
Our 430 SS pipes are widely used in automotive, heat exchanger, and industrial applications requiring good corrosion resistance and cost efficiency.
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(UNS S43000) 430 Stainless Steel Seamless Pipe Technical Specifications
We manufacture our 430 seamless tubes strictly according to international standards to ensure the highest quality for your projects.
| Specification | Details |
|---|---|
| Material | 430 Stainless Steel |
| Type | Seamless Pipe / Tube |
| Standard | ASTM A312, ASTM A268, ASME SA268, EN 10216-5, DIN 17456 |
| Outer Diameter | 6mm – 600mm |
| Wall Thickness | 0.5mm – 40mm (SCH 5S to SCH XXS) |
| Length | 1m – 12m or customized |
| Surface Finish | Annealed & Pickled, Polished (180#, 320#, 400#, 600#), Mirror Finish |
| Grade Characteristics | Corrosion-resistant, durable, high strength |
Why Choose 430 Stainless Steel Seamless Pipe?
In the world of ferritic stainless steel, Grade 430 (1.4016) stands out for its unique combination of properties. Unlike austenitic grades (like 304), 430 seamless pipe is magnetic and offers:
High Thermal Conductivity: Better heat transfer efficiency than 304 stainless steel.
Oxidation Resistance: Resists oxidation up to 1500°F (815°C).
Cost-Efficiency: A nickel-free alloy that provides a stable price point for large-scale projects.
Stress Corrosion Cracking Resistance: Highly resistant to chloride stress corrosion cracking.
Applications of 430 Seamless Pipe
Our 430 stainless steel seamless pipes and tubes are suitable for a wide range of applications, including:
Water and gas piping systems – ideal for both residential and industrial pipelines
Automotive exhaust and structural components – reliable for high-temperature and mechanical strength requirements
Food processing and chemical industries – corrosion-resistant pipes and tubes for hygienic applications
HVAC, boilers, and mechanical engineering projects – precision-engineered seamless pipes for industrial use
Tip: Our pipes and tubes can be customized to meet your specific diameter, wall thickness, and length requirements.
430 vs. 304 Stainless Steel Pipe: Which One Should You Choose?
Understanding the difference between 430 and 304 stainless steel seamless pipes helps buyers select the most cost-effective solution.
| Feature | 430 Stainless Steel | 304 Stainless Steel |
|---|---|---|
| Structure | Ferritic | Austenitic |
| Magnetism | Magnetic | Non-magnetic |
| Corrosion Resistance | Moderate | Higher |
| Nickel Content | Very low | Higher |
| Cost | Lower | Higher |
| Typical Uses | Exhaust, heat systems | Chemical, food, marine |
Choose 430 stainless steel pipe when cost control is important and environment is non-aggressive.
Choose 304 when high corrosion resistance is required.
Why Choose Huaxiao Metal 430 Stainless Steel Pipes
Huaxiao Metal is a leading China-based stainless steel manufacturer and exporter with over 15 years of specialized experience in supplying 430 stainless steel seamless pipes to the global market. We don’t just sell products; we provide reliable material solutions tailored to your engineering needs.
Our Core Advantages:
15+ Years of Industry Expertise: With more than a decade and a half of export history, we understand the specific quality requirements and compliance standards of different international markets.
Strict Quality Control & Compliance: Every pipe is manufactured in full compliance with ASTM A268/ASME SA268 standards. We conduct 100% PMI testing and hydrostatic testing to ensure zero-defect delivery.

Stable Supply & Competitive Pricing: Leveraging our strong manufacturing base, we offer factory-direct pricing with flexible MOQ, helping you balance project costs and inventory pressure.
Custom Surface & Packaging Solutions: Whether you need a specific polished finish (180# to 600#) or specialized sea-worthy packaging for long-distance transit, we provide end-to-end customization.
Reliable Global Logistics: Our seasoned export team ensures smooth customs clearance and timely delivery, minimizing the risks of international procurement.
“We focus on long-term cooperation and practical material solutions rather than one-time sales.” At Huaxiao Metal, your project’s success is our ultimate benchmark.
FAQ – 430 Stainless Steel Seamless Pipe & Tube
Is 430 stainless steel good for outdoor use?
Yes, but only in mild atmospheric environments. It is not recommended for marine or highly corrosive environments.
Can I get custom diameters and lengths?
Yes, we offer custom sizes, wall thicknesses, and lengths for both seamless pipes and tubes. Contact our sales team for more details.
Can 430 stainless steel seamless pipe be welded?
Yes, but it requires specific procedures (such as pre-heating and post-weld annealing) to avoid brittleness and maintain corrosion resistance in the weld zone.
What industries use 430 stainless steel seamless pipes?
Our pipes and tubes are used in automotive, chemical, food processing, HVAC, construction, and industrial machinery sectors.
How can I place an order or request pricing?
Simply reach out to [email protected] or use the contact form on our website. Our sales team will respond promptly with a detailed quotation.
Is 430 Stainless Steel Seamless Pipe Suitable for High Temperature?
Yes. 430 stainless steel seamless pipes offer good oxidation resistance and maintain stable performance at elevated temperatures. They are widely used in exhaust systems, heat exchangers, and thermal processing equipment. However, for extreme temperature cycling or highly corrosive environments, alternative grades may be more suitable.
Is 430 stainless steel seamless pipe magnetic?
Yes. 430 stainless steel has a ferritic structure and is naturally magnetic.
What standards does 430 SS seamless pipe follow?
Common standards include ASTM A312, ASTM A268, EN 10216, DIN 17456, and JIS G3463.
Is 430 stainless steel cheaper than 304?
Yes. Due to its low nickel content, 430 stainless steel seamless pipe is generally more cost-effective than 304 stainless steel.
Request a Quote for 430 Stainless Steel Seamless Pipe
ooking for a reliable 430 stainless steel seamless pipe supplier?
Contact Huaxiao Metal today to receive:
- Latest pricing
- Available stock details
- Technical consultation
- Fast export solutions
📩 Send your inquiry now and get a professional quotation within 24 hours.