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Zhejiang Yuhao Stainless Steel Co., Ltd

  • China,Wenzhou
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China ASTM A269 TP316L Ultra-Low Roughness Stainless Steel BA Tube 6mm-630mm Inner
China ASTM A269 TP316L Ultra-Low Roughness Stainless Steel BA Tube 6mm-630mm Inner

  1. China ASTM A269 TP316L Ultra-Low Roughness Stainless Steel BA Tube 6mm-630mm Inner

ASTM A269 TP316L Ultra-Low Roughness Stainless Steel BA Tube 6mm-630mm Inner

  1. MOQ: 100 KGS
  2. Price: NEGOTIATION
  3. Get Latest Price
Material TP316L (also available: TP304, TP304L, TP316, TP321, Duplex)
Supply Ability 300 TONS per Month
Packaging Details Tube ends capped, VCI paper wrapped, reinforced plywood cases
Application High-Purity Gas Distribution, Semiconductor Fab, Laboratory Systems, Medical Devices, Precision Fluid Transport
Standard ASTM/ASME A/SA269, A/SA213, DIN 17458/17457, EN 10216-5/10217-7
OD 6mm - 630mm, Custom outer diameter available
WT 0.5mm - 10mm, Custom wall thickness available
Manufacturing Process Multi-Pass Cold Drawn, Bright Annealed in Hydrogen Atmosphere
Payment Terms L/C, T/T, Western Union, MoneyGram
Delivery Time 15-25 Days
Inner Roughness Ra ≤ 0.25μm (0.4μm standard, 0.2μm upon request)
Length 6m or as per customer requirement
NDT Eddy Current Test, Hydrostatic Test, Ultrasonic Test
Surface Finish Ultra-Low Ra Bright Annealed (BA), Ra ≤ 0.25μm
Certification ISO 9001 PED CE TUV AD2000
Model Number YUHAO-BA-LR-002
Place of Origin Zhejiang, China
Brand Name YUHAO

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  1. Product Details
  2. Company Details

Product Specification

Material TP316L (also available: TP304, TP304L, TP316, TP321, Duplex) Supply Ability 300 TONS per Month
Packaging Details Tube ends capped, VCI paper wrapped, reinforced plywood cases Application High-Purity Gas Distribution, Semiconductor Fab, Laboratory Systems, Medical Devices, Precision Fluid Transport
Standard ASTM/ASME A/SA269, A/SA213, DIN 17458/17457, EN 10216-5/10217-7 OD 6mm - 630mm, Custom outer diameter available
WT 0.5mm - 10mm, Custom wall thickness available Manufacturing Process Multi-Pass Cold Drawn, Bright Annealed in Hydrogen Atmosphere
Payment Terms L/C, T/T, Western Union, MoneyGram Delivery Time 15-25 Days
Inner Roughness Ra ≤ 0.25μm (0.4μm standard, 0.2μm upon request) Length 6m or as per customer requirement
NDT Eddy Current Test, Hydrostatic Test, Ultrasonic Test Surface Finish Ultra-Low Ra Bright Annealed (BA), Ra ≤ 0.25μm
Certification ISO 9001 PED CE TUV AD2000 Model Number YUHAO-BA-LR-002
Place of Origin Zhejiang, China Brand Name YUHAO
High Light ultra-low roughness BA tube ,Ra 0.25μm inner surface ,precision bright annealed tube

Ultra-Low Inner Wall Roughness Stainless Steel BA Tube — ASTM A269 TP316L Seamless

YUHAO presents its premium ASTM A269 TP316L seamless bright annealed (BA) stainless steel tube, engineered specifically for applications demanding ultra-low inner wall roughness. Available in outer diameters from 6mm to 630mm with customizable wall thicknesses, this tube delivers exceptional surface quality through a rigorously controlled hydrogen atmosphere bright annealing process.

▶ Key Product Advantages — Ultra-Low Inner Wall Roughness

  • Inner wall roughness Ra ≤ 0.25μm (standard), 0.2μm achievable upon request
  • Multi-pass cold drawing with proprietary mandrel technology for ultra-smooth ID finish
  • Surface profilometer verified on every production batch with full traceability reports
  • Minimized flow resistance and particle entrapment for high-purity fluid and gas systems

▶ Technical Specifications

ParameterSpecification
MaterialTP316L (also available: TP304, TP304L, TP316, TP321, Duplex)
Outer Diameter6mm - 630mm, Custom outer diameter available
Wall Thickness0.5mm - 10mm, Custom wall thickness available
Length6m or as per customer requirement
StandardASTM/ASME A/SA269, A/SA213, DIN 17458/17457, EN 10216-5/10217-7
Surface FinishUltra-Low Ra Bright Annealed (BA), Ra ≤ 0.25μm
Manufacturing ProcessMulti-Pass Cold Drawn, Bright Annealed in Hydrogen Atmosphere
NDTEddy Current Test, Hydrostatic Test, Ultrasonic Test
ApplicationHigh-Purity Gas Distribution, Semiconductor Fab, Laboratory Systems, Medical Devices, Precision Fluid Transport
PackagingTube ends capped with plastic protectors, individually wrapped in VCI paper, packed in reinforced plywood cases
CertificationISO 9001, PED, CE, TUV, AD2000

▶ Why Choose YUHAO BA Tubes

With a modern production facility in Wenzhou, China's stainless steel manufacturing hub, YUHAO operates a fully integrated quality management system backed by comprehensive in-house testing capabilities. Our BA tubes are exported to the United States, UAE, Turkey, Thailand, Russia, and South Korea, serving industries ranging from precision instrumentation to large-scale petrochemical projects. Every tube undergoes rigorous NDT inspection including eddy current, hydrostatic, and ultrasonic testing before shipment.

Contact YUHAO today for a tailored quotation, technical datasheet, or free sample evaluation. We offer flexible MOQ starting from 100 KGS with competitive lead times of 15-25 days for production orders.


Choose YUHAO, Choose Better Every Day — 内壁极低粗糙度 Ra 值

Company Details

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,

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 and 

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 from Quality China Factory
  • Business Type:

    Manufacturer,Distributor/Wholesaler,Exporter,Trading Company,Seller

  • Year Established:

    2018

  • Total Annual:

    40000000-41000000

  • Employee Number:

    170~200

  • Ecer Certification:

    Verified Supplier

Yuhao Stainless Steel: Your Trusted Partner in Industrial Pipe Fittings   Company Overview Since its establishment in 2018, YuHao Stainless Steel has remained steadfast in its commitment to excellence. Today, we stand as a specialized manufacturer of industrial pipe fittings, seamlessl... Yuhao Stainless Steel: Your Trusted Partner in Industrial Pipe Fittings   Company Overview Since its establishment in 2018, YuHao Stainless Steel has remained steadfast in its commitment to excellence. Today, we stand as a specialized manufacturer of industrial pipe fittings, seamlessl...

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  • Zhejiang Yuhao Stainless Steel Co., Ltd
  • NO.81, LIUZHAI SECTION, LUODONG SOUTH ROAD, YONGZHONG STREET, LONGWAN DISTRICT, WENZHOU, CHINA
  • https://www.sspipe-fittings.com/

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