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ASTM A420 WPL6 Low Temperature Carbon Steel Fitting LTC Reducing Tee Buttweld Fittings

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ASTM A420 WPL6 Low Temperature Carbon Steel Fitting LTC Reducing Tee Buttweld Fittings

MOQ : 1 PC

Product Name : Reducing Tee

High Light : ASTM A420 WPL6 Low Temperature Carbon Steel Reducing Tee, LTC Buttweld Pipe Fittings

Model Number : ASTM A420 WPL6 Carbon Steel Reducing Tee

Delivery Time : 7 DAYS

O.D. : 1/8”NB to 48”NB

Application : Power Generation, Oil & Gas, Chemical Processing, Pipeline

Payment Terms : L/C, T/T

W.T. : Schedule 10s - Schedule XXS

Packaging Details : Plwood case or Pallet

Material : WPL6

Brand Name : YUHONG

Specification : ASTM A420 , ASME SA420

Surface : Black Painting

Certification : ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008

Place of Origin : CHINA

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ASTM A420 WPL6 Low Temperature Carbon Steel Fitting LTC Reducing Tee Buttweld Fittings

ASTM A420 WPL6 Carbon Steel Reducing Tee LTC (low-temperature carbon steel) Buttweld Fitting is defined as a wrought carbon-steel pipe branch connection component, manufactured to the dimensional and tolerance requirements of ASME B16.9, featuring three ends with beveled weld preparations per ASME B16.25, where the branch outlet has a smaller nominal pipe size (NPS) than the straight-run header. It is produced from a normalized, impact-tested carbon-manganese steel grade (WPL6) conforming to ASTM A420, specifically designed to withstand internal pressure, mechanical stress, and thermal shock while maintaining guaranteed ductile impact resistance at service temperatures as low as -45°C (-50°F). Its primary engineering function is to permanently split or combine fluid flow between pipelines of differing diameters via full-penetration butt-welded joints, without requiring supplemental reinforcement pads.

Chemical Composition of ASTM A420 WPL6 Low Temperature Carbon Steel Fitting LTC Reducing Tee Buttweld Fittings

Mn C P S Si Cr Mo Ni V Cu Cb
0.050-1.35 0.3 0.035 0.04 0.15-0.40 0.3 0.12 0.4 0.08 0.4 0.02

Mechanical Properties of ASTM A420 WPL6 Low Temperature Carbon Steel Fitting LTC Reducing Tee Buttweld Fittings

Standard Yield Strength 0.2% Proof (MPa) min Tensile Strength (MPa) min
ASTM A420 35 60-95

Impact Test temperature of ASTM A420 Low Temperature Carbon Steel Fitting LTC Buttweld Fittings

Grade Impact Test Temperature, ℉ (℃)
WPL6 -50 (-45)
WPL9 -100 (-75)
WPL3 -150 (-100)
WPL8 -320 (-195)

ASTM A420 WPL6 Pipe Fittings VS ASTM A234 WPB Pipe Fittings
Feature ASTM A420 WPL6 ASTM A234 WPB (Standard Grade)
Service Temp Down to -50°F (-45°C) Down to -20°F (-29°C)
Impact Test Mandatory (Charpy V-Notch) Optional (usually not required unless specified)
Heat Treatment Normalizing required As-formed is usually acceptable
Primary Use Low-temperature/cryogenic service Moderate temperature service

Core Function of this type of reducing tee-- Create a small branch take-off from a larger main pipeline.
It connects the continuous main process line, and branches off a smaller size auxiliary line at 90°.
Combine "Tee branching + pipe size reduction in one single fitting"
1. Eliminates the need to assemble a separate equal tee + concentric reducer.
2. Fewer weld joints - lower risk of leakage, saves installation space & labour.
3. Heavy wall construction - Designed for high-pressure service, reinforced wall thickness for demanding process piping.

Applications

  • LNG plants, cryogenic facilities, natural gas transmission pipelines
  • Petrochemical / refinery low-temperature process systems
  • Offshore oil & gas, onshore cold service pipelines
  • Power station low-temperature fluid piping

ASTM A420 WPL6 Low Temperature Carbon Steel Fitting LTC Reducing Tee Buttweld Fittings


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ASTM A420 WPL6 Low Temperature Carbon Steel Fitting LTC Reducing Tee Buttweld Fittings Images

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