Zhejiang Seamless Pipe Co., Ltd.
                                                                                                           
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20 Years
Since 2006
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ASTM A312 TP 321 Stainless Steel Seamless Pipe 1/8"-24" NPS with 10.3-1219mm OD Range

Price Negotiable
Price: Above 2usd/kg
MOQ: 1pc
Delivery Time: 2 weeks/container
Brand: SMLSCO
Product Description
Product Overview
ASTM A312 TP 321 / S32100 stainless steel seamless pipes are engineered for demanding industrial applications requiring exceptional high-temperature strength and superior corrosion resistance. These pipes feature titanium stabilization to prevent carbide precipitation during welding and high-temperature service.
Stainless steel seamless pipe product display showing industrial quality finish Close-up view of stainless steel seamless pipe showing precise dimensions and smooth surface
Technical Specifications
Parameter Specification
Material Grade TP 321 / S32100
Outer Diameter Range 10.3-1219mm
Wall Thickness 1.24-59.54mm
NPS Range 1/8"-24"
Schedule 5/5S, 10/10S, 20/20S, 40/40S, 80/80S, 120/120S, 160/160S
Length Maximum 12 meters
Process Method Cold Drawn / Cold Rolled
Surface Finish Annealed / Polished
Chemical Composition
Element TP321/1.4541 (%)
Carbon (max) 0.080
Silicon (max) 1.00
Manganese (max) 2.00
Phosphorus (max) 0.045
Sulfur (max) 0.030
Chromium 17.0-19.0
Nickel 9.0-12.0
Titanium 0.7 >5x(C+N)
Available Grades & Standards
Material Grades
TP304, TP304H, TP304L, TP316, TP316L, TP321, TP321H, TP317L, TP310S, TP347H
Compliance Standards
ASTM A213, ASTM A269, ASTM A270, EN10216-5, ASTM B622, ASTM B516, ASTM A789
Industrial Applications
  • High-pressure boiler systems (working pressure above 9.88Mpa)
  • High-temperature processing equipment (450-650°C operating range)
  • Petroleum and chemical processing plants
  • Power generation and thermal power stations
  • Fluid and gas transport systems
  • Structural and machining applications
  • Corrosion-resistant industrial environments
Quality & Certification
Certifications: ISO9001:2008, PED, BV
Quality Assurance: Mill Test Certificate provided with all shipments
Third-Party Inspection: Available upon request
Material Testing: Comprehensive mechanical property verification
Business Terms
Term Details
Delivery Time 20-60 days after deposit receipt
Price Terms FOB, CIF, or negotiable
Payment Method T/T (30% advance, 70% against BL Copy) or negotiable
Packaging Plastic end caps with seaworthy wooden cases
Global Markets Europe, Middle East, Southeast Asia, South America
Manufacturing Advantages
  • Superior surface finish and precise dimensional accuracy
  • Enhanced mechanical properties through advanced processing
  • Comprehensive inspection methods and equipment
  • Competitive pricing with guaranteed quality standards
  • Extensive inventory for prompt delivery
  • Proven export experience with reliable logistics

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Zhejiang Seamless Pipe Co., Ltd.
Location No. 501, Changsheng South Road, Jiaxing, Zhejiang, China
Contact Person Lee

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