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ASTM A403 WP321-S 180° Elbow Stainless Steel Pipe Fitting

Categories Stainless Steel Seamless Pipe
Brand Name: YUHONG
Place of Origin: CHINA
Price: Negotiable
Delivery Time: 15-20 Days
Packaging Details: Wooden Cases
Model Number: ASTM A403 WP321-S
Certification: ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008
Payment Terms: ,T/T,L/C
MOQ: 1PC
Supply Ability: Depends On Quantity
Standard: ASTM A403 / ASME SA403
Grade: WP321-S (UNS S32100)
Type: 180° Elbow, Stainless Steel Pipe Fitting
Wall Thickness: SCH 10S – SCH 80S
Outside Diameter: 12.7mm – 610mm
Surface: Annealed & Pickled (A/P, acid pickling + annealing), 2B optional; acid pickling and annealing process ensures surface cleanliness and enhances corrosion resistance
Company Info.
Yuhong Group Co.,Ltd
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ASTM A403 WP321-S 180° Elbow Stainless Steel Pipe Fitting

ASTM A403 WP321-S 180° Elbow Stainless Steel Pipe Fitting
Brief Introduction

ASTM A403 WP321-S 180° elbow is a titanium-stabilized austenitic stainless steel pipe fitting, designed for pipeline direction change (180° U-turn) in industrial systems. It complies with ASTM A403 standard, features excellent anti-intergranular corrosion and high-temperature performance, easy to install, widely used in various medium transport pipelines requiring corrosion resistance and structural stability.

Chemical Composition (wt%)
GradeCCrNiTiMnSiPS
WP321-S (UNS S32100)≤0.0817.0-19.09.0-12.05*C-0.70≤2.00≤1.00≤0.045≤0.030
Typical Mechanical Properties
Mechanical PropertyStandard Requirement (ASTM A403)Typical Value
Yield Strength (Rp0.2), MPa≥205210-280
Tensile Strength (Rm), MPa≥515520-620
Elongation (A), %≥3538-45
Hardness (HB), Brinell≤201150-190
Impact Toughness (KV), J (-20℃)≥6070-90
Available Tests
Test TypeStandard
Chemical Composition Test (PMI)Spectrometer
Tensile & Impact TestASTM E8/E8M, ASTM A370
Hardness TestASTM E10
Pressure Test (Hydrostatic/Pneumatic)ASTM A403
Corrosion Resistance TestASTM G48
Dimensional & Visual InspectionASTM A403
Application Scope
Industry FieldTypical Applications
PetrochemicalOil/gas pipeline U-turn, chemical reaction equipment pipeline fitting
Power GenerationBoiler, heat exchanger pipeline direction change fitting
Chemical ProcessingAcid-base medium, organic solvent pipeline connection
Water TreatmentSeawater, sewage treatment pipeline U-turn fitting
OtherFood, pharmaceutical, metallurgy industry corrosion-resistant pipelines
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