Specifications
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
MOQ :
1000KGS
Price :
Negotiable
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
Description

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

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

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

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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
MOQ :
1000KGS
Price :
Negotiable
Contact Supplier
ASTM A312 TP316L Austenitic Stainless Steel Seamless Pipe for ASME BPV Code Stamp U
ASTM A312 TP316L Austenitic Stainless Steel Seamless Pipe for ASME BPV Code Stamp U
ASTM A312 TP316L Austenitic Stainless Steel Seamless Pipe for ASME BPV Code Stamp U
ASTM A312 TP316L Austenitic Stainless Steel Seamless Pipe for ASME BPV Code Stamp U

Yuhong Group Co.,Ltd

Verified Supplier
13 Years
zhejiang, ningbo
Since 2007
Business Type :
Manufacturer, Distributor/Wholesaler, Importer, Exporter, Trading Company, Seller, Other
Total Annual :
50M-70M
Employee Number :
50~850
Certification Level :
Verified Supplier
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