Customization: | Available |
---|---|
After-sales Service: | 24h Onilne Service |
Warranty: | Third Party Inspection |
Still deciding? Get samples of $ !
Request Sample
|
Suppliers with verified business licenses
Audited by an independent third-party inspection agency
Model NO. | Seamless Stainless Steel Pipe |
Section shape | Round |
Length | Customized by Client and Typically 6000mm |
Material Grade | 304 304/304L 304h 321 321H 316 316L 316/31L 316h |
Specification | OD 6~630MM; WT 1.00~50mm |
Origin | China |
Production Capacity | 1000 Tons/Month |
Usage | Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Construction & Decoration, Food/Beverage/Dairy Products, Machinery Industry, Chemical Industry, Mining, Special Purpose |
Standard | ASTM A213/A312/A268/A269/A790 EN10213/10305, JIS3459 DIN17456/17458 |
Steel Grade | Nickel Alloy Pipe |
Transport Package | Sea-Worthy Packing |
Trademark | EZS |
Our services: | We can customized according to customer's requriement or drawing ,packaging according to customers' request |
Our seamless duplex stainless steel tubes are manufactured to ASME SB423 and EN 1.4462 (UNS S31803/2205) standards, offering exceptional strength, corrosion resistance, and thermal conductivity for critical applications in heat exchangers, pressure vessels, and industrial processing systems. With a dual-phase (austenitic-ferritic) microstructure, these tubes provide 2x higher yield strength than 316L while maintaining excellent resistance to chlorides, acids, and stress corrosion cracking.
Ultra-High Strength - Yield strength ≥450 MPa, allowing thinner walls vs. standard stainless steels.
Superior Corrosion Resistance - PREN ≥35, ideal for seawater, acids, and high-chloride environments.
Seamless Construction - No weld seams, ensuring higher pressure integrity & fatigue resistance.
Optimized for Thermal Transfer - Low thermal expansion & high thermal conductivity for heat exchangers.
Wide Size Range - OD 10mm-500mm, Wall Thickness 1mm-50mm, customizable for complex systems.
Element | Content (%) |
---|---|
Chromium (Cr) | 21.0-23.0 |
Nickel (Ni) | 4.5-6.5 |
Molybdenum (Mo) | 2.5-3.5 |
Nitrogen (N) | 0.08-0.20 |
Carbon (C) | ≤ 0.03 |
Property | Value |
---|---|
Tensile Strength | ≥ 620 MPa |
Yield Strength | ≥ 450 MPa |
Elongation | ≥ 25% |
Hardness (Rockwell B) | ≤ 290 HB |
Outer Diameter (OD): 10mm - 500mm (custom sizes available)
Wall Thickness: 1mm - 50mm (SCH 5S to SCH 160)
Length: Standard 6m, or cut-to-length per request
ASME SB423 - Seamless duplex tubes for heat exchangers & condensers.
EN 10216-5 / EN 1.4462 - European pressure equipment standard.
NACE MR0175 - Certified for sour service (HS environments).
PED 2014/68/EU - Compliant for pressure vessel applications.
Shell & Tube Heat Exchangers - Superior thermal performance in refineries, chemical plants.
Pressure Vessels - High burst resistance for oil/gas separators, reactors.
Condensers & Evaporators - Excellent resistance to seawater corrosion.
Hydraulic & Instrumentation Lines - Precision tubes for high-pressure systems.
Business Type: | Manufacturer/Factory | |
Main Products: | Carbon Steel Pipe , Stainless Steel Pipe , Copper Nickel Tube , Heat Exchanger Tube , Boiler ... | |
Registered Capital: | 2000000 RMB | |
Plant Area: | >2000 square meters | |
Management System Certification: | ISO 9001, ISO 14001, OHSAS/ OHSMS 18001, ANSI/ESD | |
Average Lead Time: | Peak Season Lead Time: 1-3 months Off Season Lead Time: within 15 workdays |
SGS Serial NO. : |
QIP-ASI199413Report Verification
|