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ASTM A420 WPL3 Low Temperature Long Radius Butt Weld Elbow Steel Fitting

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ASTM A420 WPL3 Low Temperature Long Radius Butt Weld Elbow Steel Fitting

Yield Strength : 35 Mpa

Elbow Angle : 45° / 90°

Material Grade : ASTM A420 WPL3

Tensile Strength : 60-95 Mpa

Connection : Butt Weld

Brand Name : YUHONG

Model Number : A420/SA420 WPL3

Certification : API, PED,DNV, ABS, LR, BV

Place of Origin : CHINA

MOQ : 1PC

Price : Negotiable

Payment Terms : T/T,L/C AT SIGHT

Supply Ability : 10000 PCS PER MONTH

Delivery Time : Depending on QTY

Packaging Details : Plastic caps or protective covers, bundled with protective materials, and packed in wooden cases or pallets for export shipment.

Size Range : NPS 1/2–48

Elbow Type : Long Radius

Manufacturing : Seamless / Welded

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ASTM A420 WPL3 Low Temperature Alloy Steel Long Radius Elbow
Product Overview

ASTM A420 WPL3 Long Radius Elbow is a low-temperature alloy steel butt weld fitting designed for pressure piping systems where impact toughness at low temperatures is required. Manufactured in accordance with ASTM A420/A420M and dimensional requirements of ASME B16.9, the WPL3 elbow is available in long radius configurations and commonly supplied in 45° and 90° angles.

Product Specifications
Item Specification
Product Type Long Radius Butt Weld Elbow
Material Grade ASTM A420 WPL3
Standard ASTM A420/A420M
Dimensions ASME B16.9
Elbow Type Long Radius
Angles 45° / 90°
Manufacturing Seamless / Welded
Application Low-Temperature Pressure Piping
Size NPS 1/2-48 or as required
Surface Black / Shot Blasted / Machined
Inspection MTC, Dimensional Inspection, Impact Test as applicable
Key Characteristics
  • During welding, repeated heating precipitates carbides, reducing corrosion resistance and mechanical properties
  • Post-welding provides good hardness but susceptibility to cracking; requires preheating above 300°C and slow cooling at 700°C
  • Prevents eye corrosion with welding current approximately 20% lower than carbon steel electrodes
  • Designed for low-temperature service where impact toughness is critical
  • Long radius configuration follows ASME B16.9 dimensional requirements
  • Standardized dimensions for integration with compatible piping components
  • Material traceability with certificates and inspection documentation available
Production Process
  1. Stamping process offers high production efficiency and easy automation
  2. Material-saving and energy-efficient processing with minimal waste
  3. Capable of producing parts with wide dimensional ranges and complex shapes
  4. Cold deformation hardening enhances strength and stiffness
Chemical Composition
Grade C Mn P S Si Ni Cr Mo Cu Cb V
A420 WPL3 0.3 0.050-1.35 0.035 0.04 0.15-0.40 0.4 0.3 0.12 0.4 0.02 0.08
Mechanical Properties
Grade Tensile Strength (MPa) Yield Strength (MPa)
A420 WPL3 60-95 35
Applied Industries
  • Oil & Gas
  • LNG and Cryogenic-Related Piping
  • Petrochemical
  • Gas Processing
  • Low-Temperature Pressure Piping
  • Process Piping
ASTM A420 WPL3 Low Temperature Long Radius Butt Weld Elbow Steel Fitting

Product Tags:

low temperature alloy steel elbow

      

SA420 WPL3 butt weld fitting

      

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