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Yuhong Group Co.,Ltd

  • China,Ningbo ,Zhejiang
  • Verified Supplier

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China ASTM A312 TP316L Austenitic Stainless Steel Seamless Pipe for ASME BPV Code
China ASTM A312 TP316L Austenitic Stainless Steel Seamless Pipe for ASME BPV Code

  1. China ASTM A312 TP316L Austenitic Stainless Steel Seamless Pipe for ASME BPV Code
  2. China ASTM A312 TP316L Austenitic Stainless Steel Seamless Pipe for ASME BPV Code
  3. China ASTM A312 TP316L Austenitic Stainless Steel Seamless Pipe for ASME BPV Code
  4. China ASTM A312 TP316L Austenitic Stainless Steel Seamless Pipe for ASME BPV Code

ASTM A312 TP316L Austenitic Stainless Steel Seamless Pipe for ASME BPV Code

  1. MOQ: 1000KGS
  2. Price: Negotiable
  3. Get Latest Price
Payment Terms T/T, L/C
Supply Ability 1500 tons per month
Delivery Time 10days->
Packaging Details Ply-wooden Case /Iron Case/ Bundle with plastic Cap
Material Grade TP316L
Standard ASTM A312
Hydrostatic Test ASTM A999/A999M-18
Nondestructive Electric Test ASTM A999/A999M-18
Test Mechanical Test, Transverse Test, Longitudinal Tension Test, Flattening Test, ,
Application ASME BPVC Pressure Vessel
Brand Name YUHONG
Model Number ASTM A312 TP316L
Certification ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008
Place of Origin CHINA

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  1. Product Details
  2. Company Details

Product Specification

Payment Terms T/T, L/C Supply Ability 1500 tons per month
Delivery Time 10days-> Packaging Details Ply-wooden Case /Iron Case/ Bundle with plastic Cap
Material Grade TP316L Standard ASTM A312
Hydrostatic Test ASTM A999/A999M-18 Nondestructive Electric Test ASTM A999/A999M-18
Test Mechanical Test, Transverse Test, Longitudinal Tension Test, Flattening Test, , Application ASME BPVC Pressure Vessel
Brand Name YUHONG Model Number ASTM A312 TP316L
Certification ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 Place of Origin CHINA
High Light DNV Stainless Steel Seamless PipeA312 TP316L Stainless Steel Seamless PipeABS Stainless Steel Seamless Pipe

ASTM A312 TP316L Austenitic Stainless Steel Seamless Pipe for ASME BPV Code Stamp U

1. ​​Dimensional Tolerances for Tubing​​

​​ASME SA-999 Dimensional Tolerances​​

  • Precision cold-drawn seamless tubing per ASME SA-999

  • OD Tolerance: ±0.10 mm (for OD ≤ 25.4 mm)

  • Wall Thickness Tolerance: ±10% (minimum ±0.15 mm)

  • Straightness: ≤1.5 mm/m length


2. ​​Pitting Corrosion Resistance Certification​​

​​ASTM G48 Method A | NACE MR0175/ISO 15156 Compliance​​

  • Critical Pitting Temperature (CPT): ≥48°C (tested per ASTM G48 Method A)

  • Test Parameters:

    • 6% FeCl₃ solution at 48±1°C for 72 hours

    • Acceptance Criteria: ≤1.0 mdd weight loss

  • Qualified for Sour Service (H₂S environments) per NACE MR0175 Section MR0175 Table A.20


3. ​​Non-Destructive Examination (NDE) Assurance Protocol​​

A. ​​Hydrostatic Pressure Test​​

  • ​​Procedure​​: Per ASME Sec. VIII UG-99(m)

  • ​​Test Pressure​​: 1.5 × Design Pressure (MAWP)

  • ​​Duration​​: ≥30 minutes visual inspection (zero leakage acceptance)

  • ​​Documentation​​: ASME Form U-1 signed by AI

B. ​​Eddy Current Testing (ET)​​

  • ​​Standard​​: ASME Sec. V Article 8 (Mandatory Appendix II)

  • ​​Coverage​​: 100% tube length

  • ​​Equipment​​: Differential rotating probe system

  • ​​Calibration​​: ASME Calibration Tube Set P3-E2

  • ​​Defect Rejection​​: ≥5% wall loss indication

C. ​​Ultrasonic Testing (UT) Option​​

  • ​​Supplement Requirement​​: SA-688 Annex S4 (Austenitic Stainless Steel Tubing)

  • ​​Method​​: Automated straight-beam immersion UT

  • ​​Criteria​​: No indications exceeding DAC curve (20% DAC reference)

  • ​​Trigger Condition​​: If specified by purchaser order

 

Company Details

Bronze Gleitlager

,

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 and 

Graphite Plugged Bushings

 from Quality China Factory
  • Business Type:

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

  • Year Established:

    2007

  • Total Annual:

    50M-70M

  • Employee Number:

    50~850

  • Ecer Certification:

    Verified Supplier

  YUHONG HOLDING GROUP is one of the largest Procurement, Engineering & Contracting Group companies in China. Our group branch company and factory have been already approved by : ABS, LR, DNV, GL, BV, CCS, KR,  PED 97/23/EC, AD2000-WO, GOST9941-81, CCS, TS, CNNC, ISO9...   YUHONG HOLDING GROUP is one of the largest Procurement, Engineering & Contracting Group companies in China. Our group branch company and factory have been already approved by : ABS, LR, DNV, GL, BV, CCS, KR,  PED 97/23/EC, AD2000-WO, GOST9941-81, CCS, TS, CNNC, ISO9...

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Get in touch with us

  • Reach Us
  • Yuhong Group Co.,Ltd
  • 20TH FLOOR,NO.1 NEW WORLD BUILDING ,NO.1018 MINAN ROAD,YINZHOU DISTRICT, NINGBO CITY, ZHEJIANG PROVINCE, CHINA
  • https://www.steelseamlesspipe.com/

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