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Semiconductor Grade Stainless Steel Seamless Pipe - 304 Clean Pipe With Electropolished Finish

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Product Spotlights

Ultra-clean 304 seamless stainless pipe with electropolished finish (Ra≤0.25μm) for critical semiconductor processes. Ensures contaminant-free fluid transfer, superior corrosion resistance, and reduced particle adhesion. Manufactured to strict standards (ASTM typical), supporting high yields and reduced maintenance. Global availability from an established Tianjin supplier. Custom sizes upon request.
US$ 28 - 29 MOQ: 50 Kilograms
Key Specifications
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Material:
Other, 304 Stainless Steel
Surface Finish:
Electropolished (Ra ≤0.25μm typical)
Pipe Type:
Seamless
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Zhongzheng Stainless Steel Co., Ltd.
Gold Verified Supplier
2Yrs
Verified Business License
Payment & Shipping
Payment Methods:
Port of Shipment:
Ningbo/Shanghai
Delivery Detail:
20 days

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Material Other, 304 Stainless Steel
Surface Finish Electropolished (Ra ≤0.25μm typical)
Pipe Type Seamless
Application Semiconductor Manufacturing Equipment
Industry Standard ASTM A269/A270 (typical)
Size Range 1/8“ to 8“ OD (customizable)
Cleanliness High-purity, low particulate levels
Corrosion Resistance Excellent for chemical environments

As a leading manufacturer based in Tianjin, China, Zhongzheng Stainless Steel Co., Ltd. delivers precision-engineered fluid handling solutions to global partners across North America, Europe, Asia, and beyond. Our Semiconductor Grade Stainless Steel Seamless Pipe represents the pinnacle of purity and reliability for critical processes. Engineered from 304 stainless steel with an electropolished finish, this pipe ensures contaminant-free fluid transfer essential for semiconductor fabrication, pharmaceutical production, and high-purity chemical applications, minimizing downtime and maximizing process integrity.

Core Advantages & Technical Specifications:

  • Ultra-Smooth Surface: Electropolishing achieves a surface roughness (Ra) of ≤0.25μm, drastically reducing adhesion sites for particles and microbes.
  • Enhanced Corrosion Resistance: The electropolishing process passivates the surface, improving resistance to corrosive chemicals used in etching and cleaning.
  • Seamless Construction: Eliminates internal crevices and weld seams where contaminants could accumulate, ensuring consistent flow.
  • Strict Material Control: 304 Stainless Steel composition is tightly controlled for low sulfur and carbon content to prevent outgassing.
  • Rigorous Cleaning & Packaging: Pipes undergo ultrasonic cleaning and are double-bagged in cleanroom conditions.

Typical Technical Parameters:

Parameter Value Benefit
Outer Diameter (OD) 1/8" to 8" (Custom Sizes Available) Flexible integration into existing systems
Wall Thickness SCH 5S to SCH 80S (ASTM standards) Optimized for pressure and flow requirements
Surface Roughness (Ra) ≤ 0.25 μm (typical after electropolish) Minimizes particle adhesion & biofilm risk
Particulate Count Meets or exceeds SEMI F20 guidelines Ensures process fluid purity
Pressure Rating Varies by size/schedule (ASME BPE compliant) Safe operation in high-pressure systems

This pipe directly addresses critical industry challenges:

  • Yield Protection: Prevents costly contamination defects in wafers.
  • Maintenance Reduction: Smooth surface minimizes buildup, extending cleaning cycles.
  • System Longevity: Superior corrosion resistance protects against leaks and failures.
  • Validation Support: Consistent quality simplifies qualification for GMP/SEMI environments.

Trusted by manufacturers across North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, the Middle East, and Western Europe, Zhongzheng Stainless Steel leverages its global supply chain expertise to deliver reliable, high-performance piping solutions. Our established presence in these diverse markets underscores our commitment to quality and on-time delivery for critical industrial applications. Investing in our Semiconductor Grade 304 Seamless Pipe means investing in process reliability, product purity, and reduced total cost of ownership. Contact us today to discuss your specific requirements and experience the Zhongzheng advantage in high-purity fluid handling.

Frequently Asked Questions (FAQ):

  • Q: What is the minimum order quantity (MOQ) for these pipes?
    A: MOQ varies based on size and specifications. We offer flexibility for both prototype requests and volume production. Contact us for specific details.
  • Q: Can you provide material certifications?
    A> Yes, we provide standard Mill Test Certificates (MTCs) including chemical composition and mechanical properties. Additional certifications are available upon request.
  • Q: How does electropolishing differ from mechanical polishing for semiconductor use?
    A> Electropolishing removes a thin layer of metal uniformly, leveling peaks and removing embedded particles, resulting in a smoother, more passive, and cleaner surface than mechanical polishing alone. It's essential for high-purity applications.
  • Q: Are these pipes suitable for Ultra High Purity (UHP) gas systems?
    A> Yes, our electropolished 304 seamless pipes are commonly used in UHP gas and liquid systems within semiconductor fabs due to their low outgassing potential and high surface finish.
  • Q: What packaging is used to maintain cleanliness during shipping?
    A> Pipes are meticulously cleaned, plugged at both ends, wrapped in plastic film, and double-bagged in clean polyethylene bags. They are packed securely in wooden crates to prevent damage and contamination.
  • Q: Can you supply pipes to specific SEMI or ASME BPE standards?
    A> We routinely manufacture pipes to meet common industry standards like ASTM A269, ASTM A270, and ASME BPE specifications. Confirm your exact standard requirement when inquiring.
  • Q: What is the typical lead time for custom sizes?
    A> Lead times depend on the complexity and quantity. Standard sizes may have shorter lead times. We prioritize efficient production and provide estimated timelines upon order confirmation.

Product Tags: Semiconductor Grade Stainless Steel Tube , Electropolished 304 Seamless Pipe , Clean Process Piping

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Zhongzheng Stainless Steel Co., Ltd.
Gold Verified Supplier
2Yrs
Verified Business License
Main Markets
North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe, Central America, Northern Europe, Southern Europe, South Asia, Domestic Market
Location
Tianjin, China
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