High-Pressure WP316L Stainless Steel Equal Tee ASTM A403 Compliant Buttweld Fittings

Price Negotiable
Price: Negotiable
MOQ: 1PC
Delivery Time: Depends on quantity
Brand: YUHONG
Product Description


 WP316L Austenitic Stainless Steel Equal Tee



Engineered for corrosive environments, ASTM A403 WP316L equal tees provide superior chloride resistance due to molybdenum-enhanced austenitic structure. These seamless/welded butt-welding fittings comply with ASME B16.9 dimensional standards and ASTM A403 material specifications, ideal for high-purity piping systems.



1. Chemical Composition (ASTM A403)



Guaranteed corrosion resistance through controlled alloy content:


Element Min (%) Max (%) Role in WP316L
Carbon (C) - 0.030 Prevents carbide precipitation
Chromium (Cr) 16.0 18.0 Corrosion/oxidation resistance
Nickel (Ni) 10.0 14.0 Austenite stability
Molybdenum (Mo) 2.0 3.0 Pitting resistance
Manganese (Mn) - 2.00 Deoxidization
Silicon (Si) - 1.00 Strength enhancement
Phosphorus (P) - 0.045 -
Sulfur (S) - 0.030 -


2. Equivalent Grades (Global Standard Cross-Reference)



Interchangeable material certifications for international procurement:


Standard UNS EN (EU) ISO JIS (Japan) GOST (Russia)
ASTM A403 S31603 1.4404 X2CrNiMo17-12-2 SUS 316L 03Ch17N14M3


3. Mechanical Properties (Solution-Annealed Condition)



Certified performance per ASTM A403 Section 6:


Property Requirement Test Method
Tensile Strength ≥ 485 MPa (70 ksi) ASTM E8
Yield Strength (0.2% offset) ≥ 170 MPa (25 ksi) ASTM E8
Elongation (in 50mm) ≥ 40% ASTM E8
Hardness (Brinell) ≤ 217 HB ASTM E10
Impact Test (Temp.) -196°C (Optional) ASTM A370


4. Pressure Rating (ASME B16.9 & B31.3 Compliance)



Hydrostatic design stress at 38°C (100°F):


Size Range (NPS) Sch 10S Sch 40S Sch 80S
1/2" - 24" 230 psi 320 psi 470 psi
Temperature Correction Factor (for 150°C/302°F): 0.81 0.81 0.81


5. Dominant Application Fields



Industries leveraging WP316L's chloride resistance:


  • Chemical Processing: Sulfuric acid tanks, chlorine handling


  • Pharmaceutical: USP/WFI water systems (FDA compliant)


  • Offshore Oil & Gas: Seawater cooling pipelines (NACE MR0175)


  • Nuclear Power: Boric acid auxiliary systems (ASME III Class 2)


  • Food & Beverage: CIP/SIP process lines (3-A Sanitary Standard)

Get in Touch

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

Company Yuhong Group Co.,Ltd
Location 20TH FLOOR,NO.1 NEW WORLD BUILDING ,NO.1018 MINAN ROAD,YINZHOU DISTRICT, NINGBO CITY, ZHEJIANG PROVINCE, CHINA
Contact Person Jikin Cai

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